NV-U74
43
Pin No.
Pin Name
I/O
Description
AA17
GPIO97
O
Not used
AA18
CIF_DD4
I
Input terminal for the setting
AA19
VSS_IO
-
Ground terminal
AA20
PWR_CAP3
-
External capacitor connection terminal
AA21
VSS
-
Ground terminal
AA22
TXTAL_IN
I
Sub system clock input terminal (32.768 kHz)
AA23
TXTAL_OUT
O
Sub system clock output terminal (32.768 kHz)
AA24
SYS_EN
O
System power supply on/off control signal output terminal “H”: power on
AB1
MD1
I/O
Two-way data bus with the SD-RAM and NOR
fl
ash memory
AB2
VSS_MEM
-
Ground terminal
AB3
MD17
I/O
Two-way data bus with the SD-RAM
AB4
MD0
I/O
Two-way data bus with the SD-RAM and NOR
fl
ash memory
AB5
XWE
O
Write enable signal output to the NOR
fl
ash memory and SD-RAM
AB6
XBATT_CHG
I
Battery charge monitor terminal “L”: charge on
AB7
XSDCS0
O
Chip select signal output to the SD-RAM
AB8
XSDCS1
O
Chip select signal output terminal Not used
AB9
DQM0
O
Write mask signal output to the SD-RAM (lower bite)
AB10
DQM1
O
Write mask signal output to the SD-RAM (upper bite)
AB11
XPWAIT
O
Wait signal output terminal Not used
AB12
SSPTXD3
O
Serial data output terminal Not used
AB13
XPIOIR
O
Read signal output terminal Not used
AB14
RDS_XIRQ
I
Interrupt request signal input terminal Not used
AB15
RDS_PWR_EN
O
Power supply on/off control signal output terminal Not used
AB16,
AB17
XPCE2, XPCE1
O
Chip enable signal output terminal Not used
AB18
GPIO99
O
Not used
AB19
CIF_DD6
I
Input terminal for the setting
AB20
VCC_BATT
-
Power supply terminal (+3V)
AB21
PWR_CAP0
-
External capacitor connection terminal
AB22
PWR_OUT
-
External capacitor connection terminal
AB23
BOOT_SEL
I
Boot selection signal input terminal Not used
AB24
XBATT_FAULT
I
Power supply fault signal input from the power control
AC1, AC2
VCC_MEM
-
Power supply terminal (+3V)
AC3
VSS_MEM
-
Ground terminal
AC4
SDCLK0
O
Clock signal output terminal Not used
AC5
XOE
O
Output enable signal output to the NOR
fl
ash memory
AC6
VCC_MEM
-
Power supply terminal (+3V)
AC7
XSDRAS
O
Row address strobe signal output to the SD-RAM
AC8
VCC_MEM
-
Power supply terminal (+3V)
AC9
DQM2
O
Write mask signal output to the SD-RAM (lower bite)
AC10
DQM3
O
Write mask signal output to the SD-RAM (upper bite)
AC11
MS_XINS
I
Memory stick insert detection signal input terminal “L”: memory stick insert
AC12
CIF_LV
I
Input terminal for the setting
AC13
XPOE
O
Output enable signal output terminal Not used
AC14
SSPCLK3
O
Serial clock signal output terminal Not used
AC15
MNAND_PROG
I
NAND
fl
ash memory program mode detection signal input terminal Not used
AC16
CIF_DD3
I
Input terminal for the setting
AC17
TPLED_ON
O
LED drive signal output terminal for touch panel switch back light “H”: LED on
AC18
GPIO100
O
Not used
AC19
USB_PUP
O
USB pull-up control signal output terminal
AC20
VCC_PLL
-
Power supply terminal (+1.3V)
AC21
PXTAL_IN
I
Main system clock input terminal (13 MHz)
AC22
PWR_CAP2
I
External capacitor connection terminal
AC23,
AC24
VSS
-
Ground terminal
AD1, AD2
VCC_MEM
-
Power supply terminal (+3V)
Содержание NV-U74
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