R01UH0136EJ0210 Rev.2.10
Page 268 of 800
Jul 31, 2012
M16C/64A Group
17. Timer A
17.3.1.3
Count Source
Internal clocks are counted in timer mode, one-shot timer mode, PWM mode, and programmable
output mode. Refer to Figure 17.1 “Timer A and B Count Sources” for details. Table 17.5 lists the Timer
A Count Sources.
f1 is any of the clocks listed below (refer to 8. “Clock Generator” for details).
•
Main clock divided by 1 (no division)
•
PLL clock divided by 1 (no division)
•
fOCO-S divided by 1 (no division)
Table 17.5
Timer A Count Sources
Count
Source
Bit Setting Value
Remarks
PCLK0
TCS3
TCS2 to
TCS0
TCK1
to
TCK0
TCS7
TCS6 to
TCS4
f1TIMAB
1
0
-
00b
f1
1
000b
-
f2TIMAB
0
0
-
00b
f1 divided by 2
1
000b
-
f8TIMAB
-
0
-
01b
f1 divided by 8
1
001b
-
f32TIMAB
-
0
-
10b
f1 divided by 32
1
010b
-
f64TIMAB
-
1
011b
-
f1 divided by 64
fOCO-S
-
1
101b
-
fOCO-S
fC32
-
0
-
11b
fC32
1
110b
-
PCLK0: Bit in the PCLKR register
TCS7 to TCS0: Bits in registers TACS0 to TACS2
TCK1 to TCK0: Bits in the TAiMR register (i = 0 to 4)
Содержание M16C/60 Series
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