KEF KIT100 Service Manual page 51

DVD KEY PCB
U803: AT89C2051
RST/VPP 1 20 VCC
(RXD) P3.0 2 19 P1.7
(TXD) P3.1 3 18 P1.6
XTAL2 4 17 P1.5
XTAL1 5 16 P1.4
(INT0) P3.2 6 15 P1.3
(INT1) P3.3 7 14 P1.2
(TO) P3.4 8 13 P1.1 (AIN1)
12 P1.0 (AIN0)
(T1) P3.5 9
GND 10 11 P3.7
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