Benutzeranleitung / Produktwartung EM78612 des Produzenten EMC
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EM78612 Produc t Specif ication D OC .
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.
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) .
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 .
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.
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.
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).
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.
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 .
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 Oscil.
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.
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 e.
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 &.
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.
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.
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 unc.
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.
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 ste.
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.
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.
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.
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 Contro.
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 .
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.
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.
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.
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.
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.
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.
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.
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.
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.
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 .
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.
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.
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 N.
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.
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