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CHAPTER 6 8-BIT TIMER/EVENT COUNTERS 5 AND 6
(2) Timer clock select register 6 (TCL6)This register sets count clocks of 8-bit timer register 6.TCL6 is set with an 8-bit memory manipulation instruction.RESET input sets TCL6 to 00H.Figure 6-4. Timer Clock Select Register 6 FormatNote When clock is input from the external, timer output (PWM output) cannot be used.Caution When rewriting TCL6 to other data, stop the timer operation beforehand.
Remarks 1. fXX : Main system clock frequency (fX or fX/2)
2. fX: Main system clock oscillation frequency
3. TI6 : 8-bit timer register 6 input pin
4. MCS : Oscillation mode selection register (OSMS) bit 0
5. Values in parentheses when operated at fX = 5.0 MHz
0 0 0 0 TCL63 TCL62 TCL61 TCL60
76543210Symbol
TCL6
TCL63TCL62 TCL61 TCL60
0 0 0 0 TI6 falling edgeNote
0 0 0 1 TI6 rising edgeNote
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
MCS=1
8-bit Timer Register 6 Count Clock Selection
MCS=0
Other than above Setting prohibited
FF56H 00H
Address After Reset
2fXX Setting prohibited fX(5.0 MHz)
fXX fX (5.0 MHz) fX/2 (2.5 MHz)
fXX/2 fX/2 (2.5 MHz) fX/22(1.25 MHz)
fXX/22fX/22(1.25 MHz) fX/23(625 kHz)
fXX/23fX/23(625 kHz) fX/24(313 kHz)
fXX/24fX/24(313 kHz) fX/25(156 kHz)
fXX/25fX/25(156 kHz) fX/26(78.1 kHz)
fXX/26fX/26(78.1 kHz) fX/27(39.1 kHz)
fXX/27fX/27(39.1 kHz) fX/28(19.5 kHz)
fXX/28fX/28(19.5 kHz) fX/29(9.8 kHz)
fXX/29fX/29(9.8 kHz) fX/210 (4.9 kHz)
fXX/211 fX/211 (2.4 kHz) fX/212 (1.2 kHz)