Toshiba 21E88 Service Manual page 40

55 uP AVDD
5 V
56 P56
57 P52/SDA
(SDA)
58 P51/SCL
(SCL)
59 P50/PWM 7 bit/TC2/
Int0
(/PWM8)
(TC2)
(/INT0)
60 P40/PWM 14 bit
(/PWM0)
61 P20/Int5/Stop
(/INT5)
(/STOP)
62 P31/Int4/TC3
(INT4)
(TC3)
63 P30/Int3/RXIN
(INT3)
(RXIN)
64 P63/LED2/
(LED2)
Signal Processor Block
Pin No. Pin Name
11 TV AGND
12 FBP in
13 HOUT
14 HAFC 1
SERVICE MANUAL
Power VDD for OSD Oscillator circuit
Supply Supply 5 V
I/O
I/O
(I/O) IIC bus serial
data input/output
I/O
(I/O) IIC bus serial
clock input/output
I/O
(output) 7-bit D/A conversion (PWM) output
(input) Timer/Counter input
(input) External interrupt input
I/O
(output) 14/12-bit D/A conversion (PWM) output
I/O
(input) External interrupt input
(input) STOP mode release signal input
I/O
(input) External interrupt input
(input) Timer/Counter input
I/O
(input) External interrupt input
(input) Remote control signal
Preprocessor input
I/O
(output) High current sink open drain output
Table 9
Function
GND terminal for Analog block.
Input terminal for FBP.
Output terminal for Horizontal driving pulse.
Terminal to be connected capacitor for HAFC filter.
This terminal voltage controls H VCO frequency.
38
(continued)