參數(shù)資料
型號(hào): PCA84C886
廠商: NXP Semiconductors N.V.
英文描述: Microcontrollers for TV tuning control and OSD applications(應(yīng)用于TV調(diào)頻和OSD的微控制器)
中文描述: 微控制器的控制和調(diào)整(應(yīng)用于電視調(diào)頻和OSD的微控制器應(yīng)用的電視OSD)
文件頁數(shù): 7/72頁
文件大?。?/td> 564K
代理商: PCA84C886
1995 Jun 15
7
Philips Semiconductors
Preliminary specification
Microcontrollers for TV tuning
control and OSD applications
PCA84C646; PCA84C846
5.2
Pin description
Table 1
Pin description for PCA84C646P and PCA84C846P; SDIP42 (see Fig.2)
SYMBOL
PIN
DESCRIPTION
VOB
VOW2
DP22/VOW1
DP23/VOW0
VSYNC
HSYNC
P10/DXWR
P11/DXRD
DP13/TDAC
P12/DXALE
T3
P14/DXINT
P00 to P07
V
SS
DP00/PWM00 to DP07/PWM07
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
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.
TEST/EMU
XTAL1
XTAL2
RESET
T1
INT/T0
DP12/AFC2
DP11/AFC1
DP10/AFC0
DP21/SCL
DP20/SDA
C
V
DD
Derivative port line or I
2
C-bus clock line.
Derivative port line or I
2
C-bus data line.
External capacitor input for on chip PLL OSD oscillator.
Power supply.
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