M16C62_N Datasheet, PDF (298/621 Pages) Renesas Technology Corp – 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY

Timer A
Mitsubishi microcomputers
M16C / 62 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Timer Ai register (Note)
(b15)
b7
(b8)
b0 b7
Symbol
b0
TA0
TA1
TA2
TA3
TA4
Address
038716,038616
038916,038816
038B16,038A16
038D16,038C16
038F16,038E16
When reset
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Function
• Timer mode
Counts an internal count source
Values that can be set R W
000016 to FFFF16
• Event counter mode
000016 to FFFF16
Counts pulses from an external source or timer overflow
• One-shot timer mode
Counts a one shot width
000016 to FFFF16
• Pulse width modulation mode (16-bit PWM)
Functions as a 16-bit pulse width modulator
000016 to FFFE16
• Pulse width modulation mode (8-bit PWM)
Timer low-order address functions as an 8-bit
prescaler and high-order address functions as an 8-bit
pulse width modulator
Note: Read and write data in 16-bit units.
0016 to FE16
(Both high-order
and low-order
addresses)
Count start flag
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
TABSR
Address
038016
When reset
0016
Bit symbol
TA0S
TA1S
TA2S
TA3S
TA4S
TB0S
TB1S
TB2S
Bit name
Timer A0 count start flag
Timer A1 count start flag
Timer A2 count start flag
Timer A3 count start flag
Timer A4 count start flag
Timer B0 count start flag
Timer B1 count start flag
Timer B2 count start flag
Function
0 : Stops counting
1 : Starts counting
RW
Figure 2.2.3. Timer A-related registers (2)
283