Registers - NEC V850ES/DJ2 User Manual

4.7.2 Registers

(1) Port Register 4 (PMT4)
MTRC Port register 4 (MT4) 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
PMT4 0 0
R/W R R
PMT4n
0 Output 0
1 Output 1
(2) Port Mode Register 4 (PMMT4)
It can be read and written in 8-bit unit.
7 6
PMMT4 1 1
R/W R R
PMMT4n
0 Output mode
1 Input mode
90
Chapter 4 Port Functions
Figure 4-12: Port Register 4 (PMT4) Format
5 4
0 0 PMT43 PMT42 PMT41 PMT40
R R
Output data control (n= 0 - 3)
Figure 4-13: Port Mode Register 4 (PMMT4) Format
5 4
1 1 PMMT43 PMMT42 PMMT41 PMMT40
R R
Output data control (n= 0 - 3)
Preliminary User's Manual U17763EE1V1UD00
3 2 1
R/W R/W R/W
3 2 1
R/W R/W R/W
0 Address
0x24 undefined
R/W
0 Address
0x29
R/W
Initial
value
Initial
value
0xFF