FEDL66525-02
OKI Semiconductor
ML66525 Family
Description
Classification
Symbol
Type
I/O
Primary function
1-bit I/O port
Type
I
Secondary function
Port
P9_0/VBUSIN
Vbus detect external interrupt
input pin (5V tolerant input)
Pull-up resistors can be
specified.
I/O
6-bit I/O port
Pull-up resistors can be
specified for each bit.
I/O
SIO3 transmit-receive clock I/O
pin
SIO3 receive data input pin
SIO3 transmit data input pin
P10_0/SIOCK3
P10_1/SIOI3
P10_2/SIOO3
I
O
I/O
SIO4 (with internal 32-byte
FIFO) transmit-receive clock I/O
pin
P10_3/SIOCK4
O
I
SIO4 (with internal 32-byte
P10_4/SIOO4
P10_5/SIOI4
FIFO) transmit data output pin
SIO4 (with internal 32-byte
FIFO) receive data output pin
P12_0/AI0 to
P12_3/AI3
I
I
4-bit input port
2-bit input port
4-bit I/O port
I
A/D converter analog input port
P13_0/EXINT8
P13_1/EXINT9
P15_0/RXD6
P15_1/TXD6
P15_2/RXC6
P15_3/TXC6
P20_0/FD0
to
P20_7/FD7
I
I
I
External interrupt 8 input pin
External interrupt 9 input pin
SIO6 receive data input pin
SIO6 transmit data output pin
SIO6 receive clock I/O pin
SIO6 transmit clock I/O pin
I/O
Pull-up resistors can be
specified for each bit.
O
I/O
I/O
I/O
I/O
8-bit I/O port
Pull-up resistors can be
specified for each bit.
NAND Flash Memory access
data I/O port
I/O
I/O
I/O
I/O
I/O
5-bit I/O port
Pull-up resistors can be
specified for each bit.
O
O
O
O
I
NAND Flash Memory access
read strobe output pin
NAND Flash Memory access
write strobe output pin
NAND Flash Memory access
CLE strobe output pin
NAND Flash Memory access
ALE strobe output pin
P21_0/FRDn
P21_1/FWRn
P21_2/FCLE
P21_3/FALE
P21_4/FRB
NAND Flash Memory access
Ready/Busy input pin
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