UPD784938 Datasheet, PDF (299/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

CHAPTER 10 TIMER/EVENT COUNTER 1
Figure 10-27. Control Register Settings for Pulse Width Measurement
(a) Prescaler mode register 1 (PRM1)
7
6
5
4
3
2
1
0
PRM1 ×
×
×
× PRS13 PRS12 PRS11 PRS10
Count clock specification
(x/fXX ; x = 4, 8, 16, 32, 64, 128,
256, 512, 1,024)
(b) Capture/compare control register 1 (CRC1)
7
6
5
4
3
2
1
0
CRC1 0
0
0
0
0
1
0
0
TM1 clearing by match of TM1 & CR10
contents disabled
CR11 specified as capture
operation
TM1 clearing upon capture of CR11 in TM1
disabled
(c) External interrupt mode register 0 (INTM0)
7
6
5
4
3
2
1
0
INTM0 ×
×
×
×
1
1
0
×
Both rising & falling edges
specified as INTP0 input valid edges
Preliminary User’s Manual U13987EJ1V0UM00
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