M16C28 Datasheet, PDF (119/423 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/Tiny SERIES

M16C/28 Group (M16C/28, M16C/28B)
12. Timer
1/2 ^{f2 PCLK0 bit = 0}
Clock prescaler
• Main clock _f1
• PLL clock
• On-chip oscillator
clock
f1 or f2
PCLK0 bit = 1
XCIN
1/8
f8
Set the CPSR bit in the
1/32
Reset
fC32
1/4
f32
CPSRF register to “1”
(prescaler reset)
f1 or f2 f8 f32 fC32
Timer B2 overflow or underflow ( to Timer A count source)
TB0IN
TB1IN
TB2IN
Noise
filter
Noise
filter
Noise
filter
• Timer mode
• Pulse width measuring mode,
pulse period measuring mode
Timer B0
• Event counter mode
• Timer mode
• Pulse width measuring mode,
pulse period measuring mode
Timer B1
• Event counter mode
• Timer mode
• Pulse width measuring mode,
pulse period measuring mode
Timer B2
• Event counter mode
Timer B0 interrupt
Timer B1 interrupt
Timer B2 interrupt
Figure 12.2 Timer B Configuration
Rev. 2.00 Jan. 31, 2007 ^{page 99} of 385
REJ09B0047-0200