Ic Pin Function Descriptions; Ic6001 - Sony ICD-ST25 Service Manual

4-11. IC PIN FUNCTION DESCRIPTIONS

• IC6001 uPD77213F1-101-DA2 (DSP) (MAIN BOARD)
Pin No. Pin Name
1 to 3 NC
4 EVDD
5 XADACS
6 ADACCLK
7 ADACDTI
8 ADACDTO
9 MICPWR
10 GND
11 XFMWP
12 XFMCS
13 MICSENSE
14 GND
15 NC
16 EVDD
17 HD1
18 HD2
19 HD0
20 HD3
21 HD5
22 HD4
23 GND
24 IVDD
25 HD7
26 HD6
27 GND
28 EVDD
29 XHCS
30 HA1
31 XHWR
32 HA0
33 XHRD
34 TIMOUT
35 SO
36 XHWE
37 XHRE
38 GND
39 EVDD
40 BCLK
41 to 44 NC
45 ADASI
46 MCLK
47 LRCLK
48 TSO
49 TSCK
50 TSOEN
51 GND
52 TSI
53 TSIAK
54 TSORQ
55 TSIEN
56 EVDD
57 MA1
I/O
— Not used
— I/O power supply (3.1V)
O AD/DA chip select (Not used) (fixed at "L")
I/O AD/DA clock (Not used) (fixed at "L")
I AD/DA data input (Not used) (fixed at "L")
O AD/DA data output (Not used) (fixed at "L")
O Microphone power supply control (Not used) (fixed at "L")
— Ground terminal
O Boot flash ROM write protect
O Boot flash ROM chip select
O Micropone sensitivity select (H: Conference, L: Dictation) (Not used) (fixed at "L")
— Ground terminal
— Not used
— I/O power supply (3.1 V)
I/O Host data bus (Not used)
I/O Host data bus (Not used)
I/O Host data bus (Not used)
I/O Host data bus (Not used)
I/O Host data bus (Not used)
I/O Host data bus (Not used)
— Ground terminal
— Core power supply (1.6 V)
I/O Host data bus (Not used)
I/O Host data bus (Not used)
— Ground terminal
— I/O power supply (3.1 V)
I Host chip select (Pull-up) (fixed at "H")
I Host data access 1 (Pull-down) (fixed at "L")
I Host write (Pull-up) (fixed at "H")
I Host data access 0 (Pull-down) (fixed at "L")
I Host read (Pull-up) (fixed at "H")
O Not used
O Serial data output
O Host write enable (Not used)
O Host read enable (Not used)
— Ground terminal
— I/O power supply (3.1 V)
I/O Bit clock
— Not used
I ADA serial data input
I Master clock
I/O Clock for L-ch and R-ch (H: L-ch, L: R-ch)
O Time sharing serial data output
I Time sharing serial clock input
I Time sharing serial output enable
— Ground terminal
I Time sharing serial data input
O Time sharing serial input response (Not used)
O Time sharing serial output request (Note used)
I Time sharing serial input enable
— I/O power supply (3.1 V)
O Memory address bus 1 (Not used)
Description
ICD-ST25
29