Toshiba TLCS-900/H1 Series Manual page 85

P8 Bit symbol
(0020H)
Read/Write
Reset State
P8FC Bit symbol
(0023H)
Read/Write
Reset State
Function 0:
1:
P8FC2 Bit symbol
(0021H)
Read/Write
Reset State
Function 0: <P87F>
1:
P8DR Bit symbol
(0088H)
Read/Write
Reset State
Function
P85 Setting
<P85F>
0
<P85F2>
0 Output port
1 output
WRUU ND1CE
Note 1: Read-modify-write is prohibited for P8FC and P8FC2.
Note 2: It is set to "0" or "1" by AM pin setting.
Note 3: In MULTI16 or MULTI32 mode, do not write "1" to P8<P82> register before setting P82 pin to
because, on reset, P82 pin outputs "0" as
Port 8 Register
7 6
P87 P86
1 1
Port 8 Function Register
7 6
P87F P86F P85F
0 0
0: Refer to
Port Port
following
1:
CSZE CSZD
table
Port 8 Function Register 2
7 6
P87F2 P86F2 P85F2
0 0
0: <P86F> Refer to
following
1:
SRUUB SRULB
table
Port 8 Drive Register
7 6
P87D P86D P85D
1 1
Input/Output buffer drive register for standby mode
P84 Setting
<P84F>
1
<P84F2>
output 0
CSZC
output 1
Figure 3.5.17 Register for Port 8
5 4 3
P85 P84 P83
R/W
1 1 1
5 4 3
P84F P83F
W
0 0 0
Refer to 0:
Port
following
1:
CS 3
table
5 4 3
P84F2 P83F2
W
0 0 0
Refer to
Always write
following
"0"
table
5 4 3
P84D P83D
R/W
1 1 1
0 1
Output port output
CSZB
output output
WRUL ND0CE
for program memory.
CE
92CH21-83
TMP92CH21
2 1
P82 P81
0/1 Note2 1
2 1
P82F P81F
0 0
Refer to 0:
Port
following
1:
CS 1
table
2 1
P82F2 P81F2
0 0
Refer to 0: <P81F>
table below
1:
SDCS
2 1
P82D P81D
1 1
P82 Setting
<P82F>
0
<P82F2>
0 Output port
1 output
CSZA SDCS
CS 2
2009-06-19
0
P80
1
0
P80F
0
0:
Port
1:
CS 0
0
P80F2
0
Always write
"0"
0
P80D
1
1
output
CS 2
output
or
CSZA