P83C434CFP 查看數據表（PDF） - Philips Electronics

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P83C434CFP

8-bit microcontrollers with LCD-driver

Philips Electronics 

Philips Semiconductors

8-bit microcontrollers with LCD-driver

Product specification

P83C434; P83C834

5.2 Pin description

Table 2 Pin description for SDIP42 and QFP44

SYMBOL

S23/BP2

BP1

BP0

P2.0 to P2.3

RESET

VDD(P)

VSS

VDD(C)

XTAL1

XTAL2

P0.0 to P0.7

S00

S01 to S20

S21

S22/BP3

PIN

SDIP42

QFP44

(SOT270-1) (SOT307-2)

DESCRIPTION

1

40

segment drive line 23/Backplane drive line 2

2

41

backplane drive line 1

3

42

backplane drive line 0

4 to 7

43, 44, 1 and 2 quasi-bidirectional I/O line

8

3

reset input

9

4

power supply (+) for periphery and LCD unit; see note 1

10

5

ground; double bonded

11

6

power supply for the core; see note 1

12

7

oscillator, XTAL connections

13

8

14 to 21

9 to 16

Port 0: quasi-bidirectional I/O lines

−

17

segment drive line 0; see note 2

22 to 41

−

42

18 to 37

38

39

segment drive line 1 to 20

segment drive line 21; see note 2

segment drive line 22/Backplane drive line 3

Notes

1. For proper VDD supply to VDD(P) and VDD(C) see Section 6.1.1.

2. In package SDIP42 (SOT270-1) segment drive lines S00 and S21 are not connected, so the total number of drive

lines is 22.

1997 Jul 03

7

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