Real-Time Output Port Control Register Format; Real-Time Output Port Operating Mode And Output Trigger - NEC PD78076 User Manual

(3) Real-time output port control register (RTPC)
This register sets the real-time output port operating mode and output trigger.
Table 21-3 shows the relationship between the real-time output port operating mode and output trigger.
RTPC is set with a 1-bit or 8-bit memory manipulation instruction.
RESET input sets this register to 00H.
Figure 21-5. Real-time Output Port Control Register Format
Symbol 7 6 5
RTPC 0 0 0
Table 21-3. Real-time Output Port Operating Mode and Output Trigger
BYTE EXTR
0
0
1
0
1
1
498
CHAPTER 21 REAL-TIME OUTPUT PORT
4 3 2 <1> <0>
0 0 0 BYTE EXTR
Operating Mode RTBH
4 bits x 2 channels
8 bits x 1 channel
After
Address
Reset
FF36H 00H
EXTR Real-time Output Control by INTP2
0 INTP2 not specified as real-time output trigger
1 INTP2 specified as real-time output trigger
BYTE Real-time Output Port Operating Mode
0 4 bits x 2 channels
1 8 bits x 1 channel
Port Output RTBL
INTTM2
INTTM1
INTTM1
INTP2
R/W
R/W
Port Output
INTTM1
INTP2