NEC PD78058FY(A) User Manual
Page 475

475
CHAPTER 20 REAL-TIME OUTPUT PORT
(3) Real-time output port control register (RTPC)
This register sets the real-time output port operating mode and output trigger.
Table 20-3 shows the relation between the operating mode of the real-time output port and output trigger.
RTPC is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets this register to 00H.
Figure 20-5. Real-time Output Port Control Register Format
Table 20-3. Real-time Output Port Operating Mode and Output Trigger
BYTE
EXTR
Operating Mode
RTBH
→
Port Output
RTBL
→
Port Output
0
INTTM2
INTTM1
1
INTTM1
INTP2
0
INTTM1
1
INTP2
7
0
Symbol
RTPC
6
0
5
0
4
0
3
0
2
0
1
BYTE
0
EXTR
Address
FF36H
00H
After
Reset
R/W
R/W
EXTR
0
1
Real-time Output Control by INTP2
INTP2 not specified as real-time output trigger
INTP2 specified as real-time output trigger
BYTE
0
1
Real-time Output Port Operating Mode
4 Bits
×
2 Channels
8 Bits
×
1 Channel
4 bits
×
2 channels
8 bits
×
1 channel
0
1