Marantz SR7400 Service Manual page 34

IC28 : H8S/2398(HD64F2398F20)
Port
Pin I/O
mode = 7
1 PG3 I/O
2 PG4 I/O
3 VSS I
4 VSSNC -
5 VCC I
6 PC0 I/O
7 PC1 I/O
8 PC2 I/O
9 PC3 I/O
10 VSS I
11 PC4 I/O
12 PC5 I/O
13 PC6 I/O
14 PC7 I/O
15 PB0 I/O
16 PB1 I/O
17 PB2 I/O
18 PB3 I/O
19 VSS I
20 PB4 I/O
21 PB5 I/O
22 PB6 I/O
23 PB7 I/O
24 PA0 I/O
25 PA1 I/O
26 PA2 I/O
27 PA3 I/O
28 VSS I
29 PA4/_IRQ4 I/O
30 PA5/_IRQ5 I/O
31 PA6/_IRQ6 I/O
32 PA7/_IRQ7 I/O
33 P67/_IRQ3 I/O
34 P66/_IRQ2 I/O
35 VSS I
36 VSS I
37 P65/_IRQ1 I/O
38 P64/_IRQ0 I/O
39 VCC I
40 PE0 I/O
41 PE1 I/O
42 PE2 I/O
43 PE3 I/O
44 VSS I
45 PE4 I/O
46 PE5 I/O
47 PE6 I/O
48 PE7 I/O
49 PD0 I/O
50 PD1 I/O
51 PD2 I/O
52 PD3 I/O
53 VSS I
54 PD4 I/O
55 PD5 I/O
56 PD6 I/O
57 PD7 I/O
58 VCC I
59 P30/TxD0 I/O
60 P31/TxD1 I/O
61 P32/RxD0 I/O
62 P33/RxD1 I/O
63 P34/SCK0 I/O
64 P35/SCK1 I/O
65 VSS I
66 P60/_DREQ0 I/O
67 VSS I
68 VSS I
69 P61/_TEND0 I/O
70 P62/_DREQ1 I/O
71 P63/_TEND1 I/O
Use STBY Name
O I BTMOD
I I N.C
- - VSS
NC - NC
YES - Vcc
O I _RSTDAC
O I DFS
O I _ATT
O I _RSTADC
- - VSS
O I D_A
I I XSTATE
O I _CEDIR
O I _XMODE
O O IICCLK
I/O I/O IICDATA
I I _TU_SD
I I TU_ST
- - VSS
O I TU_MUTE
O I _CE_TU
O I KILL_SBMUTE
O I N.C
O I TUDOUT
O I TUCLK
I I TUDIN
I I RDSDIN
- - VSS
INT I REQ2
INT/I I DIR_INT
INT I _P_AMP_FAIL
INT I IRQ7
INT I REQ1
INT I RERR
- - VSS
- -- VSS
INT INT WAKEUP
INT I _P_DOWN
YES - Vcc
I I CONV_SENS
O I _CEEX
O I Y_OSD
O I CVBS_OSD
- - VSS
O I _CEOSD
I I HINBSY
O I AFDATA
O I AFCLK
O I CE_TCA
O I CE_TCB
O I MULTI MUTE
O I SWMUTE
- - VSS
O I CNTMUTE
O I SBMUTE
O I SL/SRMUTE
O I L/RMUTE
YES I Vcc
SO I DSPDOUT
SO SO TXD
SI I DSPDIN
SI SI RXD
SC I DSPCLK
O I _CEFL
- - VSS
O I VOLDATA
- - VSS
- - VSS
O I VOLCLK
O I CE_VOLA
O I CE_VOLB
Port Setting
Note
Act. init
L L FLASH ROM Addres (A18)
- - PULL DOWN
- - GND
GND
- -
L L DAC
H L DAC&ADC
L H ADC
L H ADC
- - GND
- L DIR or _ADC sel
- - DIR
L L DIR CHIP ENABLE
L L DIR RESET
- L I2C for E2PROM
- L I2C for E2PROM
L Tuned
H Stereo Tune/_MONO
- - GND
H H Tuner MUTE
L L Tuner Pack
L H L : Multi SP H : SB SP
- -
- L Tuner Pack
- L Tuner Pack
- Tuner Pack
- Tuner Pack(RDS DATA)
- - GND
L - DSP FINTR EQ
DIR INT OUTPUT
L - Power amp Dectect
- - RDS Clock
L - DSP INTER Q
H - DIR ERROR
- - GND
- - GND
↑
- STANDBY MODE Release
L - Power Down Detect
- - +5V
- - Video Convert H : Yes L : No
L H P-Exp(Video)Sel A
H L Y/C_OSD_IC_BYPASS
H L CVBS_OSD_IC_BYPASS
- - GND
L H Video Circuit
- - DSP Busy Signal
- L Analog Switch DATA
- L Analog Switch CLOCK
H L Analog Switch TC9273
H L Analog Switch TC9262/9264
H H MULTI ROOM MUTE
H H SUB W MUTE
- - GND
H H CENTER SP MUTE
H H SRR B MUTE
H H SL SR MUTE
H H FRONT L R MUTE
- - +5V
DSP DIR Control Data OUT
H Flash WR need Pull Up
DSP DIR Control Data IN
- Flash WR need Pull UpReset release is H.
DSP DIR Control CLOCK
L L FL Driver chip sel
- - GND
- L Volume IC DATA
- - GND
- - GND
- L Volume IC CLOCK
H L Volume IC Chip Sel A
H L Volume IC Chip Sel B
48