Read Sony STR-DA4ES / STR-DA7ES / STR-VA333ES Service Manual online
20
STR-DA4ES/DA7ES/VA333ES
• IC2001 MB91F155-2ESX100 (SYSTEM CONTROL) (DIGITAL BOARD (2/7))
Pin No.
Pin Name
I/O
Pin Description
1
DSP1MOD1
O
SSM select signal output
2
XMODE
O
Mode signal output to LC89056W (IC1101)
3
CKSEL
O
Clock select signal output to LC89056W (IC1101)
4
DIR-CLK
O
Clock signal output to LC89056W (IC1101)
5
DIR-CE
O
Chip enable signal output to LC89056W (IC1101)
6
DIR-DI
O
Data output to LC89056W (IC1101)
7
DIR-DO
I
Data input from LC89056W (IC1101)
8
DIR-ERROR
I
Dir error input from LC89056W (IC1101)
9
VSS
—
Ground pin
10
DIR-DATAO
I
Dir data input
11
DIR-XSTATE
I
Dir state signal input
12
CLK-SW
O
Clock select signal output
13
DAMUTE
O
D/A output muting signal output
14
1XRST
O
Reset signal output to DSP1 (IC1201)
15
1PM
O
PM signal output to DSP1 (IC1201)
16
1GP9
I
GP signal input from DSO1 (IC1201)
17
1BST
O
BST signal output to DSP1 (IC1201)
18
1HCS
O
HCS signal output to DSP1 (IC1401)
19
1HDOUT
I
HD input from DSP1 (IC1201)
20
1HACN
I
HACN signal input from DSP1 (IC1201)
21
2XRST
O
BST signal output to DSP2 (IC1401)
22
2BST
O
Reset signal output to DSP2 (IC1401)
23
2PM
O
PM signal output to DSP2 (IC1401)
24
2EXLOCK
O
Ext lock signal output to DSP2 (IC1401)
25
3EXLOCK
O
Ext lock signal output to DSP3 (IC1501)
26
VSS
—
Ground pin
27
VCC
—
Power supply pin (+3.3 V)
28
2HACN
I
HACN signal input from DSP2 (IC1401)
29
2HDOUT
I
HD input from DSP2 (IC1401)
30
2HCS
O
HCS signal output to DSP2 (IC1401)
31
3XRST
O
Reset signal output to DSP3 (IC1501)
32
3BST
O
BST signal output to DSP3 (IC1501)
33
3PM
O
PM signal output to DSP3 (IC1501)
34
3HACN
I
HACN signal input from DSP3 (IC1501)
35
3HDOUT
I
HD input from DSP3 (IC1501)
36
3HCS
O
HCS signal output to DSP3 (IC1501)
37
DARST
O
Reset signal output to D/A converter (IC1602)
38
DA2LAT
O
Serial data latch signal output to D/A converter (IC1602)
39
DACLK
O
Serial clock output to D/A converter (IC1602)
40
DADATAOUT
O
Serial data output to D/A converter (IC1602)
41
DA2DATAIN
I
Serial data input from D/A converter (IC1602)
42
DA1LAT
O
Serial data latch signal output to D/A converter (IC1602)
43
DA1DATAIN
I
Serial data input from D/A converter (IC1602)
44
VSS
—
Ground pin
45
ADINT
O
INT signal output to AK5352 (IC1701)
46
DSP2 GP3
I
GP3 signal input from DSP2 (IC1401)
47
END FLAG
I
End flag input from UART (IC1901)
48
DSP3 GP3
I
GP3 signal input from DSP3 (IC1501)
49
MBUS-STS0
I
M-BUS status input
50
CTLAT
O
Control latch signal output to UART (IC1901)
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