UPD784938 Datasheet, PDF (309/733 Pages) NEC – 16-Bit Single-Chip Microcontrollers

Figure 11-1. Timer/Event Counter 2 Block Diagram
Internal bus
1/8
8/16
External interrupt
mode register 0 ^{ES21 ES20 ES11 ES10}
(INTM0)
Compare register
(CR20/CR20W)
P22/INTP1
Edge
detection
circuit
8 _{Match 16}
8/16
8
Match ^Selector
INTP1
8
MOD1 MOD0
Capture/compare
8
control register 2 (CRC2)
CLR22 CLR21 CM21 ENT03 ALV3 ENT02 ALV2
Timer output
control register
(TOC)
PWM/PPG
output control
Output control
circuit
P36/TO2
P23/INTP2/CI
16
Edge
detection
circuit
INTP2
Capture/compare
register (CR21/CR21W)
INTP2
Selector
INTC20
fXX/1,024
fXX/512
fXX/256
fXX/128
Capture trigger
fXX
Prescaler
fXX/64
Selector
fXX/32
8
Match
16
8
16
Match
16
Selector
RESET
Output control
circuit
P37/TO3
INTC21
fXX/16
fXX/8
fXX/4
Capture trigger
Timer counter 2
(TM2/TM2W)
Overflow
Prescaler
mode register 1
(PRM1)
PRS23 PRS22 PRS21 PRS20
8
16
Capture register
(CR22/CR22W)
8/16
8/16
Timer control
register 1 (TMC1)
CE2 OVF2 CMD2 BW2
1/8
Internal bus