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Toshiba H1 SERIES TLCS-900 User Manual

Page 63

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TMP92CM22

2007-02-16

92CM22-61

Figure 3.5.10 Port 7 (P76)

Port 7 Register

7 6 5 4 3 2 1 0

Bit

symbol P76 P75 P74 P73 P72 P71 P70

Read/Write

R/W

After reset

Data from

external

port (Note)

1 1 1 1 1 1

Note: Output latch register is cleared to 0.

Port 7 Control Register

7 6 5 4 3 2 1 0

Bit

symbol

P76C

Read/Write

W

After

reset

0

Function

0:

Input

1: Output

Port 7 Function Register

7 6 5 4 3 2 1 0

Bit

symbol

P76F P75F P74F P73F P72F P71F P70F

Read/Write

W

After

reset

0 0 0 0 0 0 1

Function

0:

Port

1:

WAIT

0: Port

1: R/

W

0: Port

1:

CLKOUT

0: Port

1:

Don’t set

0: Port

1:

WRLU

0: Port

1:

WRLL

0: Port

1:

RD

Note: Read-modify-write instruction is prohibited for registers P7CR and P7FC.

Figure 3.5.11 Register for Port 7

P7FC

(001FH)

P7

(001CH)

P7CR

(001EH)

Internal data bus

Direction control

(on bit basis)

Reset

P7CR write

S

Output latch

P7 write

P7 read

Port P7
P76 (

WAIT

)

Function control

(on bit basis)

P7FC write

Output buffer

Internal WAIT signal

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