Daewoo CP21S8 Series, Руководство по обслуживанию

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CP-202S Service Manual
-19-
QFP 80 pin
58 DECDIGNEG
supply
59
60
XTALOUT
XTALIN
crystal oscillator output
crystal oscillator input
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
SNDNEG
VDDA3(3.3V)
P1.2
P2.5/PWM4
P2.4/PWM3
P3.3/ADC3
P3.2/ADC2
VDDC(1.8V)
P3.1/ADC1
P3.0/ADC0
P2.3/PWM2
P2.2/PWM1
P2.1/PWM0
P2.0/TPWM
VDDP(3.3V)
P1.7/SDA
P1.6/SCL
P1.3/T1
NT0/P0.5
P1.0/INT1
supply
supply
port 1.2
port 2.5 or PWM4 output
port 2.4 or PWM3 output
port 3.3 or ADC3 input
port 3.2 or ADC2 input
supply
port 3.1 or ADC1 input
port 3.0 or ADC0 input
port 2.3 or PWM2 output
port 2.2 or PWM1 output
port 2.1 or PWM0 output
port 2.0 or Tuning PWM output
supply to periphery (3.3V)
port 1.7 or I2C-bus data line
port 1.6 or I2C-bus clock line
port 1.3 or Counter/Timer 1 input
external interrupt 0 or port 0.5 (4 mA current
sinkingcapability for direct drive of LEDs)
port 1.0 or external interrupt 1
SYMBOL DESCRIPTION
4.1.4 FEATURES
Video / Audio Processing (AV-110/90 and Mono-110/90 concept)
# Overview of available features (AV-110/90 and Mono-110 concept)
·
Multi-standard vision IF circuit with alignment-free PLL demodulator
·
Internal (switchable) time-constant for the IF-AGC circuit
·
Switchable group delay correction and sound trap (with switchable centre frequency) for the
demodulated CVBS signal