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MEX-1HD
•
MAIN BOARD IC1010 HD6417709AF133 (CPU)
Pin No.
Pin Name
I/O
Description
1, 2
MD1, MD2
I
Clock mode selection input terminal
3
VCC_RTC
—
Power supply terminal (+1.9V)
4
NC
O
Sub system clock output terminal (32.768kHz) (for the internal real time clock) Not used
5
EXTAL2
I
Sub system clock input terminal (32.768kHz) (for the internal real time clock) Not used
6
VSS_RTC
—
Ground terminal
7
NMI
I
Non-maskable interrupt input terminal Not used
8 to 11
XIRL0 to XIRL3
I
Interrupt request signal input from the CPU/ATA interface IC
12
IRQ4
I
Interrupt request signal input terminal Not used
13 to 18
BB_LED7 to
BB_LED2
O
Not used
19
DGND
—
Ground terminal
20
BB_LED1
O
Not used
21
D3.3V
—
Power supply terminal (+3.3V)
22
BB_LED0
O
Not used
23 to 25
NC
O
Not used
26
FLD_ON
O
Fluorescent indicator tube driver power supply on/off control signal output terminal
“H”: fluorescent indicator tube on
27
DGND
—
Ground terminal
28
FL_ON
O
Fluorescent indicator tube power supply on/off control signal output terminal
“H”: fluorescent indicator tube on
29
D1.9V
—
Power supply terminal (+1.9V)
30
ILL_ON
O
Power supply on/off control signal output at the illumination “H”: illumination on
31
USB_ACS_LED
O
LED drive signal output terminal
32
MS_ACS_LED
O
LED drive signal output terminal
33
DGND
—
Ground terminal
34
SH_D15
I/O
Two-way data bus with the CPU/ATA interface IC, memory stick interface IC,
USB interface IC, display controller, 64MB flash memory and 128MB SD-RAM
35
D3.3V
—
Power supply terminal (+3.3V)
36 to 44
SH_D14 to
SH_D6
I/O
Two-way data bus with the CPU/ATA interface IC, memory stick interface IC,
USB interface IC, display controller, 64MB flash memory and 128MB SD-RAM
45
DGND
—
Ground terminal
46
SH_D5
I/O
Two-way data bus with the CPU/ATA interface IC, memory stick interface IC,
USB interface IC, display controller, 64MB flash memory and 128MB SD-RAM
47
D3.3V
—
Power supply terminal (+3.3V)
48 to 52
SH_D4 to
SH_D0
I/O
Two-way data bus with the CPU/ATA interface IC, memory stick interface IC,
USB interface IC, display controller, 64MB flash memory and 128MB SD-RAM
53
SH_A0
O
Address signal output terminal Not used
54, 55
SH_A1, SD_A2
O
Two-way data bus with the CPU/ATA interface IC, memory stick interface IC,
USB interface IC, display controller, 64MB flash memory and 128MB SD-RAM
56
SH_A3
O
Address signal output to the CPU/ATA interface IC, memory stick interface IC,
64MB flash memory and 128MB SD-RAM
57
DGND
—
Ground terminal
58
SH_A4
O
Address signal output to the CPU/ATA interface IC, memory stick interface IC,
64MB flash memory and 128MB SD-RAM
59
D3.3V
—
Power supply terminal (+3.3V)
60 to 68
SH_A5 to
SH_A13
O
Address signal output to the CPU/ATA interface IC, memory stick interface IC,
64MB flash memory and 128MB SD-RAM
69
DGND
—
Ground terminal
Summary of Contents for MEX-1HD - Audio Library System
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