Toshiba H1 Series User Manual

Page 176

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TMP92CZ26A

92CZ26A-173

Port W register

7 6 5 4 3 2 1 0

bit

Symbol PW7 PW6 PW5 PW4 PW3 PW2 PW1 PW0

Read/Write R/W

After reset

Data from external port (Output latch register is cleared to “0”)

Port W control register

7 6 5 4 3 2 1 0

bit

Symbol PW7C PW6C PW5C PW4C PW3C PW2C PW1C PW0C

Read/Write W
After

reset

0 0 0 0 0 0 0 0

Function

0: Input 1: Output

Port W function register

7 6 5 4 3 2 1 0

bit Symbol

PW7F

PW6F

PW5F

PW4F PW3F PW2F PW1F PW0F

Read/Write W
After reset

0

0

0

0

0

0

0

0

Function 0:

Port

1:

Reserved

Port W drive register

7 6 5 4 3 2 1 0

bit Symbol

PW7D PW6D PW5D PW4D PW3D PW2D PW1D PW0D

Read/Write R/W

After reset

1

1

1

1

1

1

1

1

Function

Input/Output buffer drive register for standby mode

Note1: Read-Modify-Write is prohibited for the registers PWCR, PWFC.

Figure 3.7.62 Register for Port W


PW
(00ACH)

PWFC
(00AFH)

PWCR
(00AEH)

PWDR
(009EH)

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