EM73P968 datasheet(4/53 Pages) EMC

4 / 53 page

* This specification are subject to be changed without notice.

8.14.2001

EM73P968

4-BIT MICRO-CONTROLLER FOR LCD PRODUCT

Preliminar

PIN DESCRIPTIONS

Symbol

Pin-type

Function

P1(0..3)/WAKEUP(4..7) I/O-R1

18-bit bidirection I/O pins with IDLE/STOP releasing function

P2(0..3)/WAKEUP(8..11)

mask option 1 : wakeup disable

P5(0..3)/WAKEUP(16..19)

wakeup enable

P11(0..3)/

mask option 2 : low current push pull

WAKEUP(28..31)

normal current push pull

P15.2/P15.3/

high current push pull

WAKEUP(34,35)

none

P15.0/WAKEUP(32)

1-bit bidirection I/O pins with IDLE/STOP releasing function. Share with

SPI data input/output pin.

mask option 1 : wakeup disable

wakeup enable

mask option 2 : low current push pull

normal current push pull

high current push pull

none

P15.1/WAKEUP(33)

I/O-R1

1-bit bidirection I/O pins with IDLE/STOP releasing function.Share with

SPI clock input/output pin.

mask option 1 : wakeup disable

wakeup enable

mask option 2 : low current push pull

normal current push pull

high current push pull

none

P17.0/COM4

Output-L

1-bit output pin with LCD common pin

mask option : LCD common pin

Push pull

Open-drain

P30(0..3)/SEG(51..48)

Output-M

8-bit output pins are shared with LCD segment pin

P31(0..3)/SEG(47..44)

mask option : LCD segment pin

Low current push pull

Normal current push pull

High current push pull

Open drain

COM0~COM3

LCD common output pins

SEG0~SEG43

LCD segment output pins

VRLC, V1, V2, V3

LCD bias voltage pins

TEST

Test pin must be connected to VSS

VPP : high voltage (12V) power source for programming OTP

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