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M16C/5L Group, M16C/56 Group
15.2.4
Timer A Count Source Select Register i (TACSi) (i = 0 to 2)
Timer A Count Source Select Register 0, Timer A Count Source Select Register 1
b7 b6 b5 b4
b3
b2
b1
TACS0 register: i = 0, j = 1
Timer A Count Source Select Register 2
b7 b6 b5 b4
b3
b2
b1
TCS2 to TCS0 (TAi count source select bit) (b2-b0) (i = 0, 2, 4)
TCS6 to TCS4 (TAj count source select bit) (b6-b4) (i = 1, 3)
Select f1TIMAB or f2TIMAB by the PCLK0 bit in the PCLKR register.
R01UH0127EJ0110 Rev.1.10
Sep 01, 2011
Symbol
b0
TACS0 to TACS1
Bit Symbol
Bit Name
TCS0
TCS1
TAi count source select bit
TCS2
TAi count source option
TCS3
specified bit
TCS4
TCS5
TAj count source select bit
TCS6
TAj count source option
TCS7
specified bit
TACS1 register: i = 2, j = 3
b0
Symbol
TACS2
Bit Symbol
Bit Name
TCS0
TCS1
TA4 count source select bit
TCS2
TA4 count source option
TCS3
specified bit
—
No register bits. If necessary, set to 0. The read values are undefined.
(b7-b4)
Address
01D0h to 01D1h
Function
b2
b1
b0
0
0
0 : f1TIMAB or f2TIMAB
0
0
1 : f8TIMAB
0
1
0 : f32TIMAB
0
1
1 : f64TIMAB
1
0
0 : fOCO-F
1
0
1 : fOCO-S
1
1
0 : fC32
1
1
1 : Do not set
0 : TCK0, TCK1 enabled,
TCS0 to TCS2 disabled
1 : TCK0, TCK1 disabled,
TCS0 to TCS2 enabled
b6
b5
b4
0
0
0 : f1TIMAB or f2TIMAB
0
0
1 : f8TIMAB
0
1
0 : f32TIMAB
0
1
1 : f64TIMAB
1
0
0 : fOCO-F
1
0
1 : fOCO-S
1
1
0 : fC32
1
1
1 : Do not set
0 : TCK0, TCK1 enabled,
TCS4 to TCS6 disabled
1 : TCK0, TCK1 disabled,
TCS4 to TCS6 enabled
Address
01D2h
Function
b2
b1
b0
0
0
0 : f1TIMAB or f2TIMAB
0
0
1 : f8TIMAB
0
1
0 : f32TIMAB
0
1
1 : f64TIMAB
1
0
0 : fOCO-F
1
0
1 : fOCO-S
1
1
0 : fC32
1
1
1 : Do not set
0 : TCK0 to TCK1 enabled,
TCS0 to TCS2 disabled
1 : TCK0 to TCK1 disabled,
TCS0 to TCS2 enabled
15. Timer A
Reset Value
00h
RW
RW
RW
RW
RW
RW
RW
RW
RW
Reset Value
X0h
RW
RW
RW
RW
RW
—
Page 236 of 803
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