Yamaha MCR-E810 Service Manual page 19

IC200 : M30620MCP-A41FP (INPUT P.C.B.)
Microprocessor
Pin No. Port
1 P96/ANEX1/SOUT4
2 P95/ANEX0/CLK4
3 P94/DA1/TB4in
4 P93/DA0/TB3in
5 P92/TB2in/SOUT3
6 P91/TB1in/SIN3
7 P90/TB0in/CLK3
8 BYTE
9 CNVss
P87/Xcin
10
11 P86/Xcout
12 /RESET
13 Xout
14 Vss
15 Xin
16 Vcc1
17 P85/NMI
18 P84/INT2
19 P83/INT1
P82/INT0
20
21 P81/TA4in/U
22 P80/TA4out/U
23 P77/TA3in
24 P76/TA3out
25 P75/TA2in/W
26 P74/TA2out/W
27 P73/CTS2/RTS2/TA1in/V
28 P72/CLK2/TA1out/V
29 P71/RXD2/SCL2/TA0in/TB5in
P70/TXD2/SDA2/TA0out
30
31 P67/TXD1/SDA1
32 P66/RXD1/SCL1
33 P65/CLK1
34 P64/CTS1/RTS1/CTS0/CLKS1
35 P63/TXD0/SDA0
36 P62/RXD0/SCL0
37 P61/CLK0
38 P60/CTS0/RTS0
39 P57/RDY/CLKout
P56/ALE
40
41 P55/HOLD
42 P54/HLDA
43 P53/BCLK
44 P52/RD
45 P51/WRH/BHE
46 P50/WRL/WR
47 P47/CS3
48 P46/CS2
P45/CS1
49
50 P44/CS0
51 P43/A19
52 P42/A18
53 P41/A17
54 P40/A16
55 P37/A15
56 P36/A14
57 P35/A13
58 P34/A12
P33/A11
59
60 P32/A10
61 P31/A9
62 Vcc2
Name I/O
SADEV_DI O Serial data output
SADEV_DO SI Serial data input
SADEV_CK O Serial clock output
TU_STAT I TUNED detect
TU_ST/MON I STEREO detect
TU_MUTE O TUNER MUTE output
O
BYTE MCU Vss: When using single chip mode
CNVss MCU Vss: When using singe chip mode
Xcin MCU Sub-clock oscillation input
Xcout MCU Sub-clock oscillation output
/RESET MCU Reset
Xout MCU Oscillation output
Vss MCU Ground for microprocessor
Xin MCU Oscillation input
Vcc MCU Power for microprocessor +5V
NMI MCU
O
/TIMER IRQ TIMER SW
O
RDS_DO I RDS data to microprocessor (B,G models)
RDS_DI O RDS data to IC (B,G models)
RDS_CK O RDS serial clock out (B,G models)
RDS_CE O RDS CE out (B,G models)
O
/CEEEP O
O
O
O
O
TXDF SO
RXDF SI
CLKF SO
BSY O
IP_TXD SO iPod TxD
IP_RXD SI iPod RxD
IP_DET I iPod detect
IP_PWR I iPod accessory power detect
CLKOUT I Sub-clock output
TU_PSW O Tuner power control
O H = Power on / L = Power off
/EMP I
O
O
O
O
/CE I
O
O
O
O
MODEL I E810/E410 model identify (L = RX-E810)
I
I
I
O
O
O
I
O
O
O
Vcc MCU Power for microprocessor +5V
RX-E810/RX-E410/NX-E800
Function
19