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EM73P461 Datasheet(PDF) 4 Page - ELAN Microelectronics Corp |
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EM73P461 Datasheet(HTML) 4 Page - ELAN Microelectronics Corp |
4 / 38 page 4 * This specification are subject to be changed without notice. EM73P461A EM73P461A EM73P461A EM73P461A EM73P461A 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT 4-BIT MICRO-CONTROLLER FOR LCD PRODUCT 12.27.2001 Preliminary Preliminary Preliminary Preliminary Preliminary Symbol Symbol Symbol Symbol Symbol Pin-type Pin-type Pin-type Pin-type Pin-type Function Function Function Function Function P8.0(INT1) I/O-S 2-bit bidirection I/O port with external interrupt source input and IDLE /WAKEUPA/DIN, releasing function P8.2(INT0)/WAKEUPC P8.0/DIN : data input for programming OTP mask option : wakeup enable, low current push-pull wakeup enable, normal current push-pull wakeup disable, open-drain wakeup disable, low current push-pull wakeup disable, normal current push-pull P8.1(TRGB) I/O-S 2-bit bidirection I/O port with time/counter A,B external input and IDLE /WAKEUPB/DOUT, releasing function P8.3(TRGA) P8.1/DOUT : data output for programming OTP /WAKEUPD mask option : wakeup enable, low current push-pull wakeup enable, normal current push-pull wakeup disable, open-drain wakeup disable, low current push-pull wakeup disable, normal current push-pull SOUND Melody output VA,VB, V1, V2, V3 Connect the capacitors for LCD bias voltage COM0~COM3 LCD common output pins SEG0~SEG31 LCD segment output pins TEST/VPP Test pin must be floating VPP : high vlotage (12V) power source for programming OTP PIN DESCRIPTIONS PIN DESCRIPTIONS PIN DESCRIPTIONS PIN DESCRIPTIONS PIN DESCRIPTIONS FUNCTION DESCRIPTIONS FUNCTION DESCRIPTIONS FUNCTION DESCRIPTIONS FUNCTION DESCRIPTIONS FUNCTION DESCRIPTIONS PROGRAM ROM (4K X 8 bits) PROGRAM ROM (4K X 8 bits) PROGRAM ROM (4K X 8 bits) PROGRAM ROM (4K X 8 bits) PROGRAM ROM (4K X 8 bits) 4 K x 8 bits program ROM contains user's program and some fixed data. The basic structure of program ROM can be divided into 5 parts. 1. Address 000h: Reset start address. 2. Address 002h - 00Ch : 6 kinds of interrupt service routine entry addresses. 3. Address 00Eh-086h : SCALL subroutine entry address, only available at 00Eh,016h,01Eh,026h, 02Eh, 036h, 03Eh, 046h, 04Eh, 056h, 05Eh, 066h, 06Eh, 076h, 07Eh, 086h. 4. Address 000h - 7FFh : LCALL subroutine entry address. 5. Address 000h - FFFh : Except used as above function, the other region can be used as user's program region. |
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