Sony ICD-ST10 / ICD-ST20 Service Manual ▷ View online
25
ICD-ST10/ST20
IC5003 XC9502B092AR (MAIN BOARD)
1
2
3
4
RAMP WAVE
GENERATOR1
RAMP WAVE
GENERATOR2
EXT1
VDD
FB1
PWM1
5
10
9
8
7
6
EN1
EXT2
GND
FB2
PWM2
EN2
EN1 TO
INTERNAL CIRCUIT
VREF1=0.9V
WITH SOFT START1,
EN1
VREF1=0.9V
WITH SOFT START2,
EN2
PWM/PFM
CONTROLLER1
PWM/PFM
CONTROLLER2
OSC
GENERATOR
EN2 TO
INTERNAL CIRCUIT
PWM
COMPARATOR1
PWM
COMPARATOR2
ERROR AMP1
ERROR AMP2
IC6003 NJU6366AF1(TE1) (MAIN BOARD)
1/2
1/2
1/2
3-STATE
BUFFER
1
3
2
6
4
5
FOUT
VDD
XXT
VSS
XT
XCONT
RF
CG
CD
A
B
C
D
1 2
3
5 6 7 8
10
16 15 14 13 12 11
CONTROL
CIRCUIT
12 BIT
SHIFT
REGISTER
12 BIT
STORAGE
REGISTER
VDD
HPMUTE
XLIGHT2
MONOMIC
XBATTEN
XDSPRST
XFLMPWR
9
XADAPDN
SPAMP
XSTMIC
XREDLED
XGRLED
4
XLIGHT1
CLK
DATA
VSS
OUTPUT
BUFFER
(OPEN DRAIN)
IC7001 BU2090FS-E2 (MAIN BOARD)
26
ICD-ST10/ST20
IC7004 RX-4591CF (MAIN BOARD)
1
2
3
4
VDD
FOE
XIRQ
T1
5
10
9
8
7
6
FOUT
CE
CLK
DO
DI
CE
CLK
DO
DI
CE
CLK
DO
DI
GND
FOUT
CONTROLLER
DIVIDER
OSC
32.768kHz
INTERRUPTS
CONTROLLER
BUS
INTERFACE
CIRCUIT
CONTROL
REGISTER
AND
SYSTEM
CONTROLLER
TIMER
REGISTER
CLOCK
AND
CALENDAR
ARARM
REGISTER
IC8001 M66291GP-2 (MAIN BOARD)
CVDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
4
3
5
6
14
13
8-10
11
GND
D-
D+
VBUS
TRON
TEST
DACK1
DREQ1
TC1
INT1
IVDD
XOUT
XIN
CVDD
GND
A1
A2
A3
A4
A5
A6
D0
D1
D2
D3
D4
D5
D6
D7
D11
D10
D9
D8
IVDD
GND
D12
D13
D14
D15/A0
HWR/BYTE
INT0
RD
LWR
CS
RST
DREQ0
DACK0
I/O BLOCK
USB-IP
OSCILLATION
BUFFER
/48MHzPLL
VBUS
INPUT CIRCUIT
D+ PIN PULLUP
CIRCUIT
USB
TRANSCEIVER
TRANSFER
CONTROLLER
SERIAL
INTERFACE
ENGINE
(SIE)
INTERRUPT CONTROLLER
ENDPOINT
CONTROLLER
FIFO MEMORY CONTROLLER
FIFO MEMORY
BUS
INTERFACE
UNIT
(BIU)
27
ICD-ST10/ST20
4-12. IC Pin Function Descriptions
• IC6001 uPD77213F1-100 (DSP) (MAIN BOARD)
Pin No.
1 to 3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41 to 44
45
46
47
48
49
50
51
52
53
54
55
56
57
I/O
—
—
O
I/O
I
O
O
—
O
O
O
—
—
—
I/O
I/O
I/O
I/O
I/O
I/O
—
—
I/O
I/O
—
—
I
I
I
I
I
O
O
O
O
—
—
I/O
—
I
I
I/O
O
I
I
—
I
O
O
I
—
O
Description
Not used
I/O power supply (3.1V)
AD/DA chip select (Not used) (fixed at “L”)
AD/DA clock (Not used) (fixed at “L”)
AD/DA data input (Not used) (fixed at “L”)
AD/DA data output (Not used) (fixed at “L”)
Microphone power supply control (Not used) (fixed at “L”)
Ground terminal
Boot flash ROM write protect
Boot flash ROM chip select
Micropone sensitivity select (H: Conference, L: Dictation) (Not used) (fixed at “L”)
Ground terminal
Not used
I/O power supply (3.1 V)
Host data bus (Not used)
Host data bus (Not used)
Host data bus (Not used)
Host data bus (Not used)
Host data bus (Not used)
Host data bus (Not used)
Ground terminal
Core power supply (1.6 V)
Host data bus (Not used)
Host data bus (Not used)
Ground terminal
I/O power supply (3.1 V)
Host chip select (Pull-up) (fixed at “H”)
Host data access 1 (Pull-down) (fixed at “L”)
Host write (Pull-up) (fixed at “H”)
Host data access 0 (Pull-down) (fixed at “L”)
Host read (Pull-up) (fixed at “H”)
Not used
Serial data output
Host write enable (Not used)
Host read enable (Not used)
Ground terminal
I/O power supply (3.1 V)
Bit clock
Not used
ADA serial data input
Master clock
Clock for L-ch and R-ch (H: L-ch, L: R-ch)
Time sharing serial data output
Time sharing serial clock input
Time sharing serial output enable
Ground terminal
Time sharing serial data input
Time sharing serial input response (Not used)
Time sharing serial output request (Note used)
Time sharing serial input enable
I/O power supply (3.1 V)
Memory address bus 1 (Not used)
Pin Name
NC
EVDD
XADACS
ADACCLK
ADACDTI
ADACDTO
MICPWR
GND
XFMWP
XFMCS
MICSENSE
GND
NC
EVDD
HD1
HD2
HD0
HD3
HD5
HD4
GND
IVDD
HD7
HD6
GND
EVDD
XHCS
HA1
XHWR
HA0
XHRD
TIMOUT
SO
XHWE
XHRE
GND
EVDD
BCLK
NC
ADASI
MCLK
LRCLK
TSO
TSCK
TSOEN
GND
TSI
TSIAK
TSORQ
TSIEN
EVDD
MA1
28
ICD-ST10/ST20
Pin No.
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81 to 84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
Pin Name
MA0
GND
IVDD
MA2
MA4
GND
MA3
MA7
MA5
MA8
MA6
MA9
MA10
GND
EVDD
MA11
MA12
MA14
MA13
MA16
MA15
EVDD
MA17
NC
EVDD
MA18
MA19
XMHOLDAK
XMRD
XMHOLDRQ
GND
EVDD
XMWAIT
XMWR
GND
IVDD
XMBSTB
MD0
GND
MD3
MD1
MD4
MD5
MD6
MD2
MD8
GND
EVDD
MD7
MD13
MD10
MD11
I/O
O
—
—
O
O
—
O
O
O
O
O
O
O
—
—
O
O
O
O
O
O
—
O
—
—
O
O
O
O
I
—
—
I
O
—
—
O
I/O
—
I/O
I/O
I/O
I/O
I/O
I/O
I/O
—
—
I/O
I/O
I/O
I/O
Description
Memory address bus 0 (Not used)
Ground terminal
Core power supply (1.6 V)
Memory address bus 2 (Not used)
Memory address bus 4 (Not used)
Ground terminal
Memory address bus 3 (Not used)
Memory address bus 7 (Not used)
Memory address bus 5 (Not used)
Memory address bus 8 (Not used)
Memory address bus 6 (Not used)
Memory address bus 9 (Not used)
Memory address 10 (Not used)
Ground terminal
I/O power supply (3.1 V)
Memory address 11 (Not used)
Memory address 12 (Not used)
Memory address 14 (Not used)
Memory address 13 (Not used)
Memory address 16 (Not used)
Memory address 15 (Not used)
I/O power supply (3.1 V)
Memory address 17 (Not used)
Not used
I/O power supply (3.1 V)
Memory address 18 (Not used)
Memory address 19 (Not used)
Memory bus hold response (Not used)
Memory read-out (Not used)
Memory bus hold request (Pull-up) (fixed at “H”)
Ground terminal
I/O power supply (3.1 V)
Memory access weight (Pull-up)
Memory write (Not used)
Ground terminal
Core power supply (1.6 V)
Memory bus strobe (Not used)
Memory data bus (Not used)
Ground terminal
Memory data bus (Not used)
Memory data bus (Not used)
Memory data bus (Not used)
Memory data bus (Not used)
Memory data bus (Not used)
Memory data bus (Not used)
Memory data bus (Not used)
Ground terminal
I/O power supply (3.1 V)
Memory data bus (Not used)
Memory data bus (Not used)
Memory data bus (Not used)
Memory data bus (Not used)
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