PCA84C646P PHILIPS [NXP Semiconductors], PCA84C646P Datasheet - Page 7

• Manufacturer Part Number: PCA84C646P
• Description: Microcontrollers for TV tuning control and OSD applications
• Manufacturer: PHILIPS [NXP Semiconductors]

Philips Semiconductors
5.2
Table 1 Pin description for PCA84C646P and PCA84C846P; SDIP42 (see Fig.2)
1995 Jun 15
VOB
VOW2
DP22/VOW1
DP23/VOW0
VSYNC
HSYNC
P10/DXWR
P11/DXRD
DP13/TDAC
P12/DXALE
T3
P14/DXINT
P00 to P07
V
DP00/PWM00 to DP07/PWM07
TEST/EMU
XTAL1
XTAL2
RESET
T1
INT/T0
DP12/AFC2
DP11/AFC1
DP10/AFC0
DP21/SCL
DP20/SDA
C
V
SS
DD
Microcontrollers for TV tuning
control and OSD applications
Pin description
SYMBOL
1
2
3
4
5
6
7
8
9
10
11
12
13 to 20
21
29, 28, 27, 26,
25, 24, 23, 22
30
31
32
33
34
35
36
37
38
39
40
41
42
PIN
Video fast blanking output signal.
Video character outputs or derivative port lines.
Vertical synchronization signal input, active LOW.
Horizontal synchronization signal input, active LOW.
Port line 10 or emulation DXWR signal input.
Port line 11 or emulation DXRD signal input.
Derivative I/O port or 14-bit D/A PWM.
Port line 12 or emulation DXALE signal input.
Secondary 8-bit counter input pin (Schmitt-trigger).
Port line 14 or emulation DXINT signal input.
General I/O port lines (10 mA).
Ground.
Derivative I/O port;
6-bit PWM (PWM04 to 07) or 7-bit PWM (PWM00 to 03).
Control input of testing and emulation mode, normally LOW.
Oscillator input terminal for system clock.
Oscillator output terminal for system clock.
Initialize input, active LOW.
Direct testable pin and event counter input.
External interrupt/direct testable pin.
Derivative I/O port or comparator input with 4-bit DAC.
Derivative port line or I
Derivative port line or I
External capacitor input for on chip PLL OSD oscillator.
Power supply.
7
PCA84C646; PCA84C846
2
2
C-bus clock line.
C-bus data line.
DESCRIPTION
Preliminary specification