Sony PCM-D50 Service Manual page 63

POWER BOARD (4/4) IC2301 UPD78F0501AMC-5A4-E2-A (SIRCS CONTROL)
Pin No. Pin Name
1 ANI1/P21
2 ANI0/P20
3 P01/TI010/TO00
4 P00/TI000
5 P120/INTP0/EXLVI
6 nRESET
7 FLMD0
P122/X2/EXCLK/
8
OCD0B
9 P121/X1/OCD0A
10 REGC
11 VSS
12 VDD
13 P60/SCL0
14 P61/SDA0
15 P33/TU5/TO51/INTP4
16 P32/INTP3/OCD1B
17 P31/INTP2/OCD1A
18 P30/INTP1
19 P17/TI50/TO50
20 P16/TOH1/INTP5
21 P15/TOH0
22 P14/RXD6
23 P13/TXD6
24 P12/SO10
25 P11/ST10/RXD0
26 P10/NSCK10/TXD0
27 AVREF
28 AVSS
29 ANI3/P23
30 ANI2/P22
I/O
O Sircs key signal output
O Sircs key signal output
O Sircs key signal output
O Sircs key signal output
I Sircs signal input
I System reset signal input
I Mode setting signal input
I Clock signal input
I Not used (Pull down)
O Regulator output (Connected to capacitor)
—
Ground
—
Power supply (+2.9V)
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
I Serial data signal input
I Interrupt signal input
I Sircs detect signal input
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
I Receive signal input
O Transmit signal output
—
Not used (Open)
—
Not used (Open)
—
Not used (Open)
I AD converter reference voltage input
—
Ground
—
Not used (Open)
—
Not used (Open)
Description
PCM-D50
63