PCA84C441 datasheet(6/40 Pages) PHILIPS

6 / 40 page

Table 1

Pin description

Note

1. 84CX40; 84CX43 denotes the types: PCA84C440, PCA84C443, PCA84C640, PCA84C643, PCA84C840 and PCA84C843.

84CX41; 84CX44 denotes the types: PCA84C441, PCA84C444, PCA84C641, PCA84C644, PCA84C841 and PCA84C844.

SYMBOL(1)

PIN(1)

DESCRIPTION

84CX40; 84CX43 84CX41; 84CX44 84CX40; 84CX43 84CX41; 84CX44

Deviating pinning

DP1.0 to DP1.4

DP1.0 to DP1.3

41, 38, 37, 36, 34 41, 38, 37, 36

Derivative Port 1: quasi-bidirectional I/O lines.

Direct testable pin and event counter input.

DOSC1

−

Connection to RC oscillator of OSD clock.

−

DOSC1/DOSC2

−

28, 29

Connections to LC oscillator of OSD clock.

Mutual pinning

DP0.0/TDAC

Derivative Port 0: quasi-bidirectional I/O line or 14-bit DAC PWM.

DP0.1 to DP0.5/PWM1 to PWM5

2 to 6

Derivative Port 1: quasi-bidirectional I/O lines or 6-bit DAC PWM.

P1.0 to P1.4

7, 8, 10, 11 and 12

Port 1: quasi-bidirectional I/O lines.

P0.0 to P0.7

13 to 20

Port 0: quasi-bidirectional I/O port.

DP1.7/AFC

Derivative Port 1:

quasi-bidirectional I/O line or comparator input with 3-bit DAC.

DP0.6/SDA

Derivative open drain I/O port or I2C-bus data line.

DP0.7/SCL

Derivative open drain I/O port or I2C- bus clock line.

INT/T0

External interrupt or direct testable line.

DP1.5 and DP1.6/VOW2 and VOW1

23, 22

Derivative Port 1:

quasi-bidirectional I/O lines or character video output.

RESET

Initialize input, active LOW.

XTAL2, XTAL1

32, 31

Oscillator output or input terminal for system clock.

TEST/EMU

Control input for testing and emulation mode. Ground for normal

operation.

VSYNCN

Vertical synchronous signal input.

HSYNCN

Horizontal synchronous signal input.

VOB

Blanking output.

VOW3

Character video output of OSD.

VSS

Ground.

VDD

Power supply.

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