Registers - NEC V850ES/DJ2 User Manual

4.5.2 Registers

(1) Port Register 2 (PMT2)
MTRC Port register 2 (MT2) is an 8-bit register that controls pin level read, output level write.
It can be read and written in 8-bit unit.
7 6
PMT2 PMT27 PMT26 PMT25 PMT24 PMT23 PMT22 PMT21 PMT20
R/W R/W R/W
PMT2n
0 Output 0
1 Output 1
(2) Port Mode Register 2 (PMMT2)
It can be read and written in 8-bit unit.
7 6
PMMT2 PMMT27 PMMT26 PMMT25 PMMT24 PMMT23 PMMT22 PMMT21 PMMT20
R/W R/W R/W
PMMT2n
0 Output mode
1 Input mode
Chapter 4 Port Functions
Figure 4-7: Port Register 2 (PMT2) Format
5 4
R/W R/W
Output data control (n= 0 - 7)
Figure 4-8: Port Mode Register 2 (PMMT2) Format
5 4
R/W R/W
Preliminary User's Manual U17763EE1V1UD00
3 2 1
R/W R/W R/W
3 2 1
R/W R/W R/W
I/O mode control (n= 0 - 7)
0 Address
0x22 undefined
R/W
0 Address
0x27
R/W
Initial
value
Initial
value
0xFF
85