HD64F3437TF16 Datasheet, PDF(169/752 Page) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

English

English German Russian Spanish Italian Polish Chinese Japanese Korean French Portuguese	Language :

HD64F3437TF16 Datasheet, PDF (169/752 Pages) Hitachi Semiconductor – 12 V must not be applied to the S-mask model (single-power-supply specification), as this may permanently damage the device.

◁

Pin

P84/IRQ3/

IOW/TxD1

P83/IOR

P82/CS1

P81/GA20

P80/HA0

Pin Functions and Selection Method

Bit TE in SCR of SCI1, bit STAC in STCR, bit P84DDR, and the operating mode

select the pin function as follows

Operating mode

Slave mode

Not slave mode

STAC

0

1

â

TE

â

0

1

0

1

P84DDR

Pin function

â

IOW

input

0

P84

input

1

P84

output

â

TxD1

output

0

P84

input

1

â

P84 TxD1

output output

IRQ3 input*

Note: * IRQ3 input is usable when bit IRQ3E is set to 1 in IER

Bit P83DDR and the operating mode select the pin function as follows

Operating mode

Slave mode

Not slave mode

P83DDR

Pin function

â

IOR input

0

P83 input

1

P83 output

Bit P82DDR and the operating mode select the pin function as follows

Operating mode

Slave mode

Not slave mode

P82DDR

Pin function

â

CS1 input

0

P82 input

1

P82 output

Bit P81DDR and the operating mode select the pin function as follows

P81DDR

0

1

FGA20E

â

0

1

Operating mode

â

Not slave

mode

Slave mode

Pin function

P81 input

P81 output

GA20 output

Bit P80DDR and the operating mode select the pin function as follows

Operating mode

Slave mode

Not slave mode

P80DDR

Pin function

â

HA0 input

0

P80 input

1

P80 output

140

▷