EM73P968 datasheet(39/53 Pages) EMC

39 / 53 page

* This specification are subject to be changed without notice.

EM73P968

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

8.14.2001

Preliminary

EM73P968 I/O PORT DESCRIPTION :

Port

Input function

Output function

Note

E Input port, wakeup function

E Output port

E Input port, wakeup function

E Output port

ROM bank selection

ROM bank selection, P3.3 SPI use

E Input port, wakeup function

E Output port

E Input port, wakeup function

E Output port

E Input port, wakeup function

E Output port

share with A/D input

E Input port, wakeup function

E Output port

share with A/D input

E Input port, wakeup function,

E Output port, P8.0(INT1), P8.1(TRGB),

external interrupt input

P8.2(INT0), P8.3(TRGA)

RAM bank selection

General purpose register

E Input port, wakeup function

E Output port

SPI input data register

High speed counter register share with SPI

Low nibble

output data, A/D resolution data

SPI input data register

High speed counter register share with SPI

Highnibble

output data, A/D resolution data

CPU status

CPU status, interrupt source selector

E Input port, wakeup function

E Output port,

P15.0 input data with SPI,

P15.0 output data with SPI,

P15.1 input clock with SPI

P15.1 output clock with SPI

STOP mode control register

Output port P17.0/COM4

P17.1-P17.3 A/D control register

Interrupt status register

P12, P13 control register

IDLE mode control register

HTC control register

WDT control register

NORMAL/SLOW mode control register

ADC control register

SPI control register

Timebase control register

A/D control register

LCD control register

Timer / counter A control register

Timer / counter B control register

Output port / SEG(51..48)

Output port / SEG(47..44)

EM73P968 Datasheet(PDF) 39 Page - ELAN Microelectronics Corp

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