Sony ICDBM1 - Memory Stick Media Digital Voice Recorder, Service Manual

Page: 18 / 44

18
ICD-BM1/BM1PRO
1 VSS — GND
2 DSPPWR O DSP power supply control
3 XOE O SRAM output enable, USB read strobe
4 WAKEUP I KEY WAKE UP interrupt
5 XDCINDET I DC IN detection
6 XUSBIRQ I USB driver interrupt request (Not used)
7 XUSBVBUS I USB VBUS power supply control
8 DSPIFREQ I DSP I/F interrupt request
9 RXD I Serial data input (Not used)
10 VSS — GND
11 TXD O Serial data output (Not used)
12 SCK0 O Serial clock for DSP I/F
13 SDO0 O Serial data output for DSP I/F
14 SDI0 I Serial data input for DSP I/F
15 XSRCS O SRAM chip select
16 XWE O SRAM write enable
17 XUB O Higher byte enable for SRAM
18 XLCDCS O Chip select for LCD driver I/F
19 CIVDD — I/O power supply 3.1 V
20 XUSBCS O Chip select for USB (Not used)
21 LCDSCK O Serial clock for LCD driver I/F
22 LCDDO O Serial data output for LCD driver I/F
23 SCK1 O Serial clock for RTC and EEPROM
24 SDO1 O Serial data output for RTC, S/P and EEPROM
25 XLCDRST O LCD reset
26 and 27 A15, A16 O SRAM address bus
28 CCVDD — Core power supply 2.6 V
29 SIPCLK O Clock for S/P
30 BEEP O Beep
31 DREQ I USB DMA request input
32 POWERSW I POWER switch detection
33 RTCCS O Chip select for RTC
34 XADACS O Chip select for A/D & D/A converter
35 XDSPSIOEN O DSP I/F SIO enable
36 MSLOCK I OPEN/CLOSE switch detection
37 MSCLK O Clock for Memory Stick
38 MSDIO I/O Serial data for Memory Stick
39 MSBS O BS for Memory Stick
40 MSINS I INS for Memory Stick
41 CIVDD — I/O power supply 3.1 V
42 XLB O SRAM lower byte enable
43 to 48 A0_A5 O SRAM and USB address bus
49 A6 O SRAM address bus
50 VSS — GND
51 to 58 A7_A14 O SRAM address bus
59 CCVDD — Core power supply 2.6 V
60 ø O System clock output
61 CIVDD — I/O power supply 3.1 V
62 CF1 I CF oscillator pin
63 CF2 O CF oscillator pin
64 VSS — GND
• IC701 LC67F5006A-F3A15-E (CPU) (MAIN BOARD)
Pin No. Pin Name I/O Pin Description