HD6435348R Hitachi Semiconductor, HD6435348R Datasheet - Page 424

• Manufacturer Part Number: HD6435348R
• Description: Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

TCR—Timer Control Register
Bit
Initial value
Read/Write
CMIEB
R/W
7
0
CMIEA
Compare-Match Interrupt Enable B
R/W
0 Compare-match B interrupt request is disabled.
1 Compare-match B interrupt request is enabled.
6
0
OVIE
Compare-Match Interrupt Enable A
R/W
0 Compare-match A interrupt request is disabled.
1 Compare-match A interrupt request is enabled.
5
0
Timer Overflow Interrupt Enable
CCLR1
0 Overflow interrupt request is disabled.
1 Overflow interrupt request is enabled.
0 0 Counter is not cleared.
0 1 Cleared by compare-match A.
1 0 Cleared by compare-match B.
1 1 Cleared on rising edge of external reset input.
414
R/W
4
0
H'FED0
CCLR0
0 0 0 No clock source; timer stops.
0 0 1 Internal clock source: ø/8,
0 1 0 Internal clock source: ø/64,
0 1 1 Internal clock source: ø/1024,
1 0 0 No clock source; timer stops.
1 0 1 External clock source, counted
1 1 0 External clock source, counted
1 1 1 External clock source, counted
R/W
3
0
Counter Clear
counted on falling edge.
counted on falling edge.
counted on falling edge.
on rising edge.
on falling edge.
on both rising and falling edges.
CKS2
R/W
2
0
Clock Select
CKS1
R/W
1
0
CKS0
R/W
TMR
0
0