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bit Symbol
PR
(0064H)
Read/Write
After reset
bit Symbol
PRCR
(0066H)
Read/Write
After reset
Function
bit Symbol
PRFC
Read/Write
(0067H)
After reset
Function
bit Symbol
PRDR
(0099H)
Read/Write
After reset
Function
Note: Read-Modify-Write is prohibited for the registers PRCR, PRFC.
7
6
5
Port R control register
7
6
5
Port R function register
7
6
5
PR1 setting
<PR1C>
0
<PR1F>
Input port
0
(Reserved) SPDO output
1
PR3setting
<PR3C>
0
<PR3F>
Input port
0
(Reserved)
1
Port R drive register
7
6
5
Figure 3.7.51 Register for Port R
92CZ26A-163
Port R register
4
3
PR3
Data from external port
(Output latch register is cleared to "0")
4
3
PR3C
0
4
3
PR3F
0
0: Port
0: Port
1: SPCLK
1: SPCS
<PR0C>
1
<PR0F>
Output port
0
1
<PR2C>
1
<PR2F>
Output port
0
SPCLK
1
output
4
3
PR3D
1
Input/Output buffer drive register
TMP92CZ26A
2
1
0
PR2
PR1
PR0
R/W
2
1
0
PR2C
PR1C
PR0C
W
0
0
0
0: Input, 1: Output
2
1
0
PR2F
PR1F
PR0F
W
0
0
0
0: Port
0: Port
1: SPDO
1: SPDI
PR0 setting
0
1
Input port
Output port
SPDI input
(Reserved)
PR2 setting
0
1
Input port
Output port
(Reserved)
SPCS Output
2
1
0
PR2D
PR1D
PR0D
R/W
1
1
1
for standby mode
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