HD6433044 Datasheet, PDF(287/867 Page) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

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HD6433044 Datasheet, PDF (287/867 Pages) Hitachi Semiconductor – Hitachi Single-Chip Microcomputer

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Table 9-17 Port 9 Pin Functions

Pin

P95/SCK1/IRQ5

Pin Functions and Selection Method

Bit C/A in SMR of SCI1, bits CKE0 and CKE1 in SCR of SCI1, and bit P95DDR

select the pin function as follows

P94/SCK0/IRQ4

CKE1

C/A

0

0

1

1

â

CKE0

0

1

â

â

P95DDR

Pin function

0

1

â

â

P95 P95 SCK1 output SCK1 output

input output

â

SCK1 input

IRQ5 input

Bit C/A in SMR of SCI0, bits CKE0 and CKE1 in SCR of SCI0, and bit P94DDR

select the pin function as follows

P93/RxD1

P92/RxD0

CKE1

C/A

CKE0

P94DDR

Pin function

0

0

1

0

1

â

0

1

â

â

P94 P94 SCK0 output SCK0 output

input output

IRQ4 input

1

â

â

â

SCK0 input

Bit RE in SCR of SCI1 and bit P93DDR select the pin function as follows

RE

P93DDR

Pin function

0

0

1

P93 input P93 output

1

â

RxD1 input

Bit RE in SCR of SCI0, bit SMIF in SCMR, and bit P92DDR select the pin

function as follows

SMIF

RE

P92DDR

Pin function

0

0

0

1

P92 input P92 output

1

â

RxD0 input

1

â

â

RxD0 input

274

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