Ic Data - Yamaha RX-V357 Service Manual

I IC DATA
IC242: M30626FHPFP (MAIN P.C.B.)
16bit µ-COM (Main CPU)
No. Port No. Function name
1 SOUT4 DTFD
2 CLK4 CKFD
3 P94 /BLK
4 P93 LIMB
5 SOUT3 SDM
6 SIN3 SDD
7 CLK3 YSSCK
8 BYTE BYTE
9 CNVss CNVss
10 P87 CSY
11 P86 /ICD
12 RESET RESET
13 Xout Xout
14 Vss Vss
15 Xin Xin
16 Vcc Vcc
17 NMI NMI
18 INT2 INT938
19 INT1 PSW
20 INT0 REM1
21 P81
22 P80
23 P77 /HP
24 P76 VRA
25 P75 VRB
26 P74 CSN
27 P73 /ICCDC
28 CLK2
29 P71
30 TXD2
31 TXD1 TXDF
32 RXD1 RXDF
33 CLK1 CLKF
34 P64 BSY
35 TXD0 IMP
36 RXD0 5/6
37 CLK0
38 P60 /CEEEP
39 P57 SDTR
40 P56 SDRR/DEST
41 P55 /EMP
42 P54 SCKR
43 P53
P07/D7 81
P06/D6
82
P05/D5
83
P04/D4 84
P03/D3
85
P02/D2
86
P01/D1 87
P00/D0
88
P107/AN7
89
P106/AN6 90
P105/AN5
91
P104/AN4
92
P103/AN3 93
P102/AN2 94
P101/AN1
95
AVSS 96
P100/AN0 97
VREF
98
AVCC 99
P97/ADTRG/SIN4 100
I/O Detail of function
SO FL Driver TxD
SCK FL Driver CLOCK
O FL Driver OFF
O Power Limiter Control
SO YSS938 TxD
SI YSS938 RxD
SCK YSS938 CLOCK
VSS Vss: when single chip mode is used
Vss/Vcc Vss: when single chip mode is used, Vcc: when flash writing is used
O YSS938 CE
O YSS938/DA/AD/CODEC/DEM
I Reset
Oscillator Out
µ-COM Ground
Vss
16MHz Oscillator in
µ-COM power supply, +5V
Vcc (BU)
Vcc (BU) Connect to Vcc because it is unused.
INT YSS938 IPINT/MUTE/DIR
INT Standby SW Input
INT Remote Control Input
I Open
O Open
I (IPU) Headphone Detect
I (IPU) Volume Rotary A
I (IPU) Volume Rotary B
O Chip Select for DAC
O CODEC Reset
O Open
O Open
O Open
FLASH Flash ROM Serial Write Data Transmission
FLASH Flash ROM Serial Write Data Reception
FLASH Flash ROM Serial Clock
FLASH Flash BUSY Signal Output
I IMPEDANCE Select SW detection
SI Open
CLK Open
O EEPROM CE
O RDS/OSD TxD
SI/I (IPU) RDS RxD / Frequency SW (Dest R)
GND For Flash Writing (LO)
SCK RDS/OSD Clock
O Open
RX-V357/HTR-5830
50 P44/CS0
P45/CS1
49
P46/CS2
48
47 P47/CS3
P50/WRL/WR
46
P51/WRH/BHE
45
44 P52/RD
P53/BCLK
43
P54/HLDA
42
41 P55/HOLD
P56/ALE
40
P57/RDY/CLKOUT
39
38 P60/CTS0/RTS0
37 P61/CLK0
P62/RXD0
36
35 P63/TXD0
34 P64/CTS1/RTS1/CTS0/CLKS1
P65/CLK1
33
32 P66/RXD1
31 P67/TXD1
(Unconnected)
(Unconnected)
(Unconnected)
(Unconnected)
(Unconnected)
(Unconnected)
(Unconnected)
(Unconnected)
(Unconnected)
37