LC88F5LA4ACS

No.A1860-9/33

Pin Description

Pin Name

I/O

Description

VSS1, VSS2

-

- Power supply

VSSA

-

- Power supply for AD

VDD1, VDD2

-

+ Power supply

VDD3

-

+ Power supply for port2’s I/O

VDDA

-

+ Power supply for AD

Port 0

P00 to P07

I/O

• 8-bit I/O port

• I/O specifiable in 1-bit units

• Pull-up resistors can be turned on and off in 1 bit units

• HOLD release input (P00 to P03, P04, P05)

• Port 0 interrupt input (P00 to P03, P04, P05)

• Pin functions

AN0 (P00) to AN1 (P01): AD converter input port

P06: Timer 0L output

P07: Timer 0L output/UART0 clock input

Port 1

P10 to P17

I/O

• 8-bit I/O port

• I/O specifiable in 1-bit units

• Pull-up resistors can be turned on and off in 1 bit units

• Pin functions

P10: SIO0 data output

P11: SIO0 data input/pulse input/output

P12: SIO0 clock input/output

P13: UART0 transmit

P14: Timer 3L output/UART0 receive/ INT2 input/HOLD release/timer 2 event input/timer 2L capture input

P15: Timer 3H output/ INT3 input/HOLD release/timer 2 event input/timer 2H capture input

P16: UART2 receive

P17: UART2 transmit

Interrupt acknowledge type

INT2, INT3: H level, L level, H edge, L edge, both edges

Port 2

P20 to P25

I/O

• 6-bit I/O port

• I/O specifiable in 1-bit units

• Pull-up resistors can be turned on and off in 1 bit units

• Pin functions

P20: INT4 input/HOLD release input/timer 3 event input/timer 2L capture input/timer 2H capture input

P21: INT5 input/HOLD release input/timer 3 event input/timer 2L capture input/timer 2H capture input

P22: SLIIC0 clock input/output

P23: SLIIC0 bus input/output/data input

P24: SLIIC0 data output (used in 3-wire SIO mode)/ INT6 input/HOLD release input

P25: Timer 5 output/ INT7 input/HOLD release input

Interrupt acknowledge type

INT4, INT5, INT6, INT7: H level, L level, H edge, L edge, both edges

Port 3

P30 to P37

I/O

• 8-bit I/O port

• I/O specifiable in 1-bit units

• Pull-up resistors can be turned on and off in 1 bit units

• Pin functions

P30: INT0 input/HOLD release/timer 2L capture input

P31: INT1 input/HOLD release/timer 2H capture input/SMIIC0 data output (used in 3-wire SIO mode)

P32: SMIIC0 clock input/output

P33: SMIIC0 bus input/output/data input

P34: SIO1 data output

P35: SIO1 data input/bus input/output

P36: SIO1 clock input/output

P37: Timer 4 output

Interrupt acknowledge type

INT0, INT1: H level, L level, H edge, L edge, both edges

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