M16C26 Datasheet, PDF (95/239 Pages) Renesas Technology Corp – 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES

Udenvdeelropment
Timer B
Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative and subject to change. _{M16C/26 Group}
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Timer Bi register (Note)
(b15)
b7
(b8)
b0 b7
b0
Symbol
TB0
TB1
TB2
Function
ÄTimer mode
Counts the timer's period
Address
039116, 039016
039316, 039216
039516, 039416
When reset
Indeterminate
Indeterminate
Indeterminate
Values that can be set _{R W}
000016 to FFFF16
ÄEvent counter mode
Counts external pulses input or a timer overflow
ÄPulse period / pulse width measurement mode
Measures a pulse period or width
Note: Read and write data in 16-bit units.
000016 to FFFF16
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
Clock prescaler reset flag
b7 b6 b5 b4 b3 b2 b1 b0
Symbol
CPSRF
Address
038116
When reset
0XXXXXXX2
Bit symbol
Bit name
Function
Nothing is assigned.
In an attempt to write to these bits, write 0 . The value, if read, turns
out to be indeterminate.
CPSR
Clock prescaler reset flag
0 : No effect
1 : Prescaler is reset
(When read, the value is 0 )
RW
Figure 1.13.18. Timer B-related registers (2)
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