Toshiba 21E88, Service Manual

Page: 40 / 68

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