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Manual EMC EM78612

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  • EMC EM78612 - page 1

    EM78612                Produc t Specif ication D OC . V ERSION 1.0 EL A N MICROELECTRONICS CORP. March 2006 ...

  • EMC EM78612 - page 2

    T rademark Acknow ledgments : IBM is a r egister ed trad em a rk and PS/2 is a tradem ark of IBM. Wi ndow s is a tradem ark of Micr osoft C orporation. ELAN and ELAN logo are trad emarks of ELAN Micr oelectr onics Co rporation . Copyright © 2006 by ELAN Microelectr onics Corporation All Rights Reserved Printed in T aiwan The contents of i n t his ...

  • EMC EM78612 - page 3

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 1 (This specification is subje ct to ch ang e w ithout further notice)         1 Gener al Desc ript ion························ ...

  • EMC EM78612 - page 4

    EM78612 Universal Se rial Bus Microcontroller 2 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) 8 Absolu te Maxi mum Rati ngs ················································ ···················· 27 9 DC Ele ...

  • EMC EM78612 - page 5

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 3 (This specification is subje ct to ch ang e w ithout further notice) Specification Revision History Doc. Version Revision Description Date 1.0 Initial V ersio n 2006/03/ 22 ...

  • EMC EM78612 - page 6

    EM78612 Universal Se rial Bus Microcontroller 4 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) 1 Gener al Descrip tion The EM78 612 is a series of U niversal Seria l B us 8-bit RI SC m icrocontrollers. It is specificall y designed for USB low spe ed device applicati on and t ...

  • EMC EM78612 - page 7

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 5 (This specification is subje ct to ch ang e w ithout further notice) • • • • Up to 12 general purposes I/O pi ns grouped int o two ports (Port 6 and 7). • • • • Up to 2 LED sink pins • • • • Each GP IO p in of Ports 6 &am ...

  • EMC EM78612 - page 8

    EM78612 Universal Se rial Bus Microcontroller 6 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) 4 Pin Configurati on EM78612A P61 1 16 P60 P62 2 15 P64 P63 3 14 P65 P70 4 13 P71 P72 5 12 D+/P50 VSS 6 11 D-/P51 V3.3V 7 10 V DD OSCI 8 9 OSCO EM78612B P60 1 18 P64 P61 2 17 P65 P ...

  • EMC EM78612 - page 9

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 7 (This specification is subje ct to ch ang e w ithout further notice) 5 Pin Description S y mbol I/O Function OSCI I 6MHz / 12MHz ceramic re sonato r i nput . OSCO I/O Return path for 6 MHz / 12MHz cerami c resonator. V 3.3V O 3.3V DC voltage o u ...

  • EMC EM78612 - page 10

    EM78612 Universal Se rial Bus Microcontroller 8 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) 6 Function Block Diagram Oscillator Timing Control Built-in RC Prescaler R1 (TCC) WDT Timer DAT A & CONTROL BUS OSCI OSCO R2 (PC) Stack1 AL U A CC R3 (Status) ROM Instruction r ...

  • EMC EM78612 - page 11

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 9 (This specification is subje ct to ch ang e w ithout further notice) Af t er reset Address 0x0000 Reset V ector 0x0001 Interrupt V ector 0x000A USB Application Interrupt V ector 0x03FF Page 0 0x0400 0x07FF Page 1 7.2 Dat a Memory The Data Memor ...

  • EMC EM78612 - page 12

    EM78612 Universal Se rial Bus Microcontroller 10 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) R0 (I nd i rec t io n Add r es s in g Re g is te r) R1 (T im e Cl o ck / Co u n te r R e gi st er ) R2 (P r og r am C o u nt er ) & S ta c k R3 (S ta tu s Re g is ter ) R4 (R ...

  • EMC EM78612 - page 13

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 11 (This specification is subje ct to ch ang e w ithout further notice) R2 (Prog ram Counter & Stack) Defaul t V alue: (0B_0 000_ 0000) The EM78612 Program Counter is an 1 1-bit lon g register that allo ws access t o 2K bytes of Program Me mor ...

  • EMC EM78612 - page 14

    EM78612 Universal Se rial Bus Microcontroller 12 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) R3 [2] Zero f lag. It will be set to 1 when the res ult of an ari thm etic or logic o peratio n is zero. R3 [3] Power do wn flag. It will be set to 1 during Power- on p hase or b ...

  • EMC EM78612 - page 15

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 13 (This specification is subje ct to ch ang e w ithout further notice) R4 ( R AM Select Registe r) Default V alue: (0B _0xxx_x xxx ) 76543210 - BK0 Ad5 Ad4 Ad3 Ad2 Ad1 Ad0 R4 (RA M select reg ister) contains the addr ess of the re gisters. R4 [0~ ...

  • EMC EM78612 - page 16

    EM78612 Universal Se rial Bus Microcontroller 14 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) 0: Enab le the wak e-up f unction R9 (Port 7 Wake-up Pi n S electio n Registe r) Defau lt V al ue: ( 0B_1 1 1 1 _1 1 1 1) 76543210 - - - - /Wu73 /Wu72 /Wu71 /W u70 R9 [0 ~ 3] Sel ...

  • EMC EM78612 - page 17

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 15 (This specification is subje ct to ch ang e w ithout further notice) Therefore, before writing data int o the FIFO, the firmware will first check this bit to preve nt over writing th e existing data. These two bits can only be set by the firm w ...

  • EMC EM78612 - page 18

    EM78612 Universal Se rial Bus Microcontroller 16 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) RF (Interrupt Status Regi ster ) Defaul t V alue: (0B_0000_ 0000) 7 6 5 4 3 2 1 0 - -- Port 5 State Change_IF USB Host Resume_IF USB Reset_IF USB Suspend_IF EP0_IF TCC_IF RF [0] T ...

  • EMC EM78612 - page 19

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 17 (This specification is subje ct to ch ang e w ithout further notice) CONT (Control Register) 7 6 5 4 3 2 1 0 R W _E /INT TSR2 TSR1 TSR0 PSR2 PSR 1 PSR0 NOTE The CONT register can be read by the instruction "CO NTR" a nd written by the ...

  • EMC EM78612 - page 20

    EM78612 Universal Se rial Bus Microcontroller 18 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) IOC5 ( Dat a Line I/O Control Registe r) Default V al ue: (0B_000 0_001 1) 76543 210 0 0 0 0 0 0 P51 P50 IOC5 [2~ 7] Undef ined re gisters. The d efault va lue is 0. IOC6 (Port 6 ...

  • EMC EM78612 - page 21

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 19 (This specification is subje ct to ch ang e w ithout further notice) 1 0 PS/2 M ode 1 1 USB Test Mode IOCA [ 2~5] Undefined registers. The def ault value is 0. IOCA [ 6,7] Select the op eration frequency in D ual Clock Mode. Four f requencies a ...

  • EMC EM78612 - page 22

    EM78612 Universal Se rial Bus Microcontroller 20 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) IOCD (Port 7 Pull-High Control Registe r) Defau lt V al ue: (0B_0000 _0000) 7 6 5 4 3 2 1 0 - - - - PH7 3 PH72 PH71 PH70 IOCD [0 ~3] Select whether the 132K O hm pull-high resisto ...

  • EMC EM78612 - page 23

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 21 (This specification is subje ct to ch ang e w ithout further notice) IOCF (Interrupt Mask Reg ister) Def ault V alue: (0B _0 0 00_0 000) 7 6 5 4 3 2 1 0 - - Port 5 State Change_IE USB Host Resume_1E USB Reset_IE USB Suspend_IE EP0_IE TCC_IE IOC ...

  • EMC EM78612 - page 24

    EM78612 Universal Se rial Bus Microcontroller 22 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) 7.3 I/O Port s The EM7 8612 has u p to t welve Gen eral P urposes I /O p ins, w hich ar e classifies into two port group s; Port 6 and Port 7. Each pin has an interna l resistor t ...

  • EMC EM78612 - page 25

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 23 (This specification is subje ct to ch ang e w ithout further notice) Any of the Indiv idual pins of Port 6 and Port 7 can be defined to wakeup the MCU by setting th eir respectiv e b its, R8 and R9. 7.4 USB A p plication EM78612 is specia lly d ...

  • EMC EM78612 - page 26

    EM78612 Universal Se rial Bus Microcontroller 24 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) 7.4.2 USB Device Con troller The USB De vice Co ntroll er (UDC) built-in in the E M78612 can interpret the USB S tandard Com mand and response autom atically without invol ving fi ...

  • EMC EM78612 - page 27

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 25 (This specification is subje ct to ch ang e w ithout further notice) C. S pecia l registers and S pecial Contro l reg isters are all set to initi al value. The MCU also has a lo w voltage detector that detects low output power condition. W hene ...

  • EMC EM78612 - page 28

    EM78612 Universal Se rial Bus Microcontroller 26 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) : : 7.6.2 Dual Clock Mode The EM 78612 has on e internal oscill ator for power sav ing applicatio n. Clear ing t he Bit IOCE [7] will enable the l ow f requenc y oscillator . At t ...

  • EMC EM78612 - page 29

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 27 (This specification is subje ct to ch ang e w ithout further notice) status f lags must be cleared by firm ware before leav ing the interrupt service routine and ena bling in terrupt. The glo bal interrupt is enabled b y the ENI (RETI) instruc ...

  • EMC EM78612 - page 30

    EM78612 Universal Se rial Bus Microcontroller 28 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) 9 DC Electrica l Characteristic (T = 25 , VDD = 5 V , VSS = 0V) S y mble Parameter Condition Min Type Max Unit 3.3V Regulator V Rag Outp ut voltage of 3.3v Regulator V DD = 5V 3.0 ...

  • EMC EM78612 - page 31

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 29 (This specification is subje ct to ch ang e w ithout further notice) C IN Transceiver Capacita nce - - 20 pF V RG Output Voltage of Internal Regulator 3.0 - 3.6 V R PH Pull-high resi ster (D-) 1.5 K Programmable Large Current I Sink1 P70, P71 O ...

  • EMC EM78612 - page 32

    EM78612 Universal Se rial Bus Microcontroller 30 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) 10 A p plication Cricuit P51 J1 USB c onnect or 1 2 3 4 C5 30pF USB Ap plication Note3. IF IOCA = PS/2 mode, MCU CLK and DATA pin internal pull-high to VDD with 4.7k resistor. Not ...

  • EMC EM78612 - page 33

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 31 (This specification is subje ct to ch ang e w ithout further notice) A ppe ndix A . S pecial Regi ster Map Operation Registers address n ame Bit7 Bit6 Bit5 Bit4 Bit3 B it2 Bit1 Bit0 Default value 0x00 R0 Indirect Add res sing Reg ister 0B_0000_ ...

  • EMC EM78612 - page 34

    EM78612 Universal Se rial Bus Microcontroller 32 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) B. Instru ction Set Each instruct ion in the instr uction set is a 1 1-bi t word divide d int o an OP code and one or more operands. Al l instructions are executed within one sing ...

  • EMC EM78612 - page 35

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 33 (This specification is subje ct to ch ang e w ithout further notice) INSTRUCT ION BIN A RY HEX M NEMONIC OPERAT ION STA TUS AFFECT ED 0 0001 11rr rrrr 01rr DEC R R-1 → R Z 0 0010 00rr rrrr 02rr OR A,R A ∨ VR → A Z 0 0010 01rr rrrr 02rr OR ...

  • EMC EM78612 - page 36

    EM78612 Universal Se rial Bus Microcontroller 34 • • • • Product Specification(V1. 0) 03.22.2006 (This specification i s subject to change without further notice) INSTRUCT ION BIN A RY HEX M NEMONIC OPERAT ION STA TUS AFFECT ED 1 1010 kkkk kkkk 1Akk AND A,k A & k → A Z 1 1011 kkkk kkkk 1Bkk XOR A,k A ⊕ k → A Z 1 1100 kkkk kkkk 1Ck ...

  • EMC EM78612 - page 37

    EM78612 Universal Se rial Bus Microcontroller Product Specification (V1. 0) 03.22.2006 • • • • 35 (This specification is subje ct to ch ang e w ithout further notice) EM78612 h as one COD E option reg isters, which are n ot part of the norm al program memor y. The optio n bits cannot be accessed durin g normal pro gram execution. 8 7 6 5 4 ...

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use EMC EM78612 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of EMC EM78612.

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