Read Sony ICD-BX800 Service Manual online
ICD-BX800
24
• IC Pin Function Description
MAIN BOARD (1/5) IC4541 LC823410-10S2-H (MEMORY CONTROL, SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1 to 4
TEST3 to 6
I
Test pin Operation: “L” input
5
TCK/JTAG TCK
I
JTAG test clock signal input Not used. (Open)
6
RTCK/JTAG RTCK
O
JTAG test returned clock signal output Not used. (Open)
7
NTRST/JTAG NTRST
I
JTAG test reset signal input
8
TDI/JTAG TDI
I
JTAG test data signal input Not used. (Open)
9
TMS/JTAG TMS
I
JTAG test mode select signal input Not used. (Open)
10
TDO/JTAG TDO
O
JTAG test data signal output Not used. (Open)
11
NRES/MCPU XRST
I
Reset signal input
12
PHI/P11/BATT XEN/
UPG RESULT
I/O
BATT XEN signal output
13
EXTFIQ/P2F/
VBUS XDET
I/O
VBUS detect signal input
14
SCK0/P08/SPI0 CLK
I/O
Serial interface clock signal output
15
SDO0/P09/
SPI0 MOSI
SPI0 MOSI
I/O
Serial interface data signal output
16
SDI0/P0A/SPI0 MISO
I/O
Serial interface data signal input
17
SCK1/P14/
CHG EN CLK
I/O
Charge enable signal input/Serial clock signal output Not used. (Open)
18
SDO1/P15/GPIO P15
I/O
VBUS power supply control signal output Not used. (Open)
19
SDI1/P16/SP PWR
I/O
Speaker power supply control signal output
20
TXD1/P2A/ADA PWR
I/O
Adapter power supply control signal output
21
RXD1/P2B/
RTC XSTBY
I/O
Remote control power supply backup control signal output
22
TIOCA0/P19/
CHGADC XCS
I/O
Charge ADC cs terminal L: Active
Not used. (Open)
Not used. (Open)
23
TIOCA1/P18/
SCPU CS
I/O
SCPU SPI CS terminal H: Active
24
VDD1
—
Digital power supply pin (+1.1V)
25
VDD2
—
Digital power supply pin (+3.1V)
26
VSS
—
Digital ground pin
27
TXD0/UART TXD
I/O
UART transmission data input/output Not used. (Open)
28
RXD0/UART RXD
I/O
UART receive data input/output Not used. (Open)
29
XFWE/NAND XWE
I/O
NAND FLASH write enable signal input/output Not used. (Open)
30
XFRE/NAND XRE
I/O
NAND FLASH read enable signal input/output Not used. (Open)
31
XALE/NAND XALE
I/O
NAND FLASH address latch enable signal input/output Not used. (Open)
32
XCLE/NAND XCLE
I/O
NAND FLASH command latch enable signal input/output Not used. (Open)
33
XFCE1/NAND XCE1
I/O
NAND FLASH chip enable signal input/output Not used. (Open)
34
XFCE0/NAND XCE0
I/O
NAND FLASH chip enable signal input/output Not used. (Open)
35
XFWP/NAND XWP
I/O
NAND FLASH write protect signal input/output Not used. (Open)
36
XFBSY/NAND XRB
I
NAND FLASH busy signal input Not used. (Connect to ground.)
37
FD0/NAND D0
I/O
NAND FLASH data signal input/output Not used. (Open)
38
FD1/NAND D1
I/O
NAND FLASH data signal input/output Not used. (Open)
39
VDD2
—
Digital power supply pin (+3.1V)
40
VSS
—
Digital ground pin
41 to 46
FD2/NAND D2 to
FD7/NAND D7
I/O
NAND FLASH data signal input/output Not used. (Open)
47
EXTINT0/P21/
BATTAD EN
I/O
NAND REG power supply control signal output
48
EXTINT1/P22/
KEY HOLD
I/O
Hold switch signal input
49
EXTINT2/P23/
KEY WAKE
I/O
Key wake up signal input
50
EXTINT3/P24/
DCIN XDET
I/O
DCIN detect signal input
51
EXTINT4/P25/
RTC XINT
I/O
RTC interruption signal input
52
VDD1
—
Digital power supply pin (+1.1V)
53
VDD2
—
Digital power supply pin (+3.1V)
54
VSS
—
Ground pin
Click on the first or last page to see other ICD-BX800 service manuals if exist.