M16C26 Datasheet, PDF (46/239 Pages) Renesas Technology Corp – 16-BIT CMOS SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/20 SERIES

Udenvdeelropment
Preliminary Specifications Rev. 0.9
Specifications in this manual are tentative
Status Transition of BCLK
and
subject to change.
SINGLE-CHIP 16-BIT
M16C/26 Group
CMOS MICROCOMPUTER
Table 1.8.3. Operating modes dictated by settings of system clock control registers 0, 1, and 2
Modes
High-speed mode
Midium-
speed
mode
divided by 2
divided by 4
divided by 8
CM2 register
CM21
0
0
0
0
CM1 register
CM11 CM17, CM16
0
002
0
012
0
102
0
CM07
0
0
0
0
CM0 register
CM06 CM05
0
0
0
0
0
0
1
0
CM04
divided by 16
0
0
112
0
0
0
Low-speed mode
1
0
1
Low power dissipation mode
1 1(Note 1) 1(Note 1) 1
Ring
divided by 1
1
oscillator _{divided by 2}
1
mode
divided by 4
1
0 02
0 12
1 02
0
0
0
0
0
0
0
0
0
divided by 8
1
0
1
0
divided by 16
1
Ring oscillator low power
1
dissipation mode
1 12
(Note 2)
0
0
0
0 ^{(Note 2)}
1
Note 1: When set the CM05 bit to “1” (main clock turned off), CM06 bit become “1” (divided by 8 mode).
Note 2: The divide-by-n value can be selected the same way as in ring oscillator mode.
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Renesas Technology Corp.