ML66525 データシートの表示（PDF） - Oki Electric Industry
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ML66525 Datasheet PDF : 27 Pages
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OKI Semiconductor
FEDL66525-02
ML66525 Family
PIN DESCRIPTIONS
In the Type column, “I” indicates an input pin, “O” indicates an output pin, and “I/O” indicates an I/O pin.
A symbol with “n” suffixed indicates an active Low pin.
Classification
Symbol
Port
P0_0/D0
to
P0_7/D7
P1_0/A8
to
P1_7/A15
P2_0/A16
to
P2_3/A19
P3_1/PSENn
Type
I/O
I/O
I/O
I/O
P3_2/RDn
O
P3_3/WRn
I/O
P4_0/A0
I/O
to
P4_7/A7
P6_0/EXINT0 I/O
P6_1/EXINT1
P6_2/EXINT2
P6_3/EXINT3
P7_6/PWM0OUT I/O
P7_7/PWM1OUT
P8_0/RXD1
I/O
P8_1/TXD1
P8_2/RXC1
P8_3/TXC1
Description
Primary function
Type
Secondary function
8-bit I/O port
Pull-up resistors can be
specified for each bit.
I/O External memory access
data I/O port
8-bit I/O port
Pull-up resistors can be
specified for each bit.
O External memory access
address output port
4-bit I/O port
Pull-up resistors can be
specified for each bit.
O External memory access
address output port
1-bit I/O port
Pull-up resistors can be
specified.
O External program memory
access read strobe output pin
1-bit output port
O External data memory access
read strobe output pin
1-bit I/O port
Pull-up resistors can be
specified.
O External data memory access
write strobe output pin
8-bit I/O port
Pull-up resistors can be
specified for each bit.
O External memory access
address output port
4-bit I/O port
I External interrupt 0 input pin
Pull-up resistors can be
specified for each bit.
I External interrupt 1 input pin
I External interrupt 2 input pin
I External interrupt 3 input pin
2-bit I/O port
O PWM0 output pin
Pull-up resistors can be
specified for each bit.
O PWM1 output pin
4-bit I/O port
I SIO1 receive data input pin
Pull-up resistors can be
specified for each bit.
O SIO1 transmit data output pin
I/O SIO1 receive clock I/O pin
I/O SIO1 transmit clock I/O pin
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