tmp89fh40 TOSHIBA Semiconductor CORPORATION, tmp89fh40 Datasheet - Page 154
tmp89fh40
Manufacturer Part Number
tmp89fh40
Description
8 Bit Microcontroller Tlcs-870/c1 Series
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TMP89FH40.pdf
(426 pages)
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11.2
Control
RA001
11.2
Divider output control register
(0x0038)
DVOCR
The divider output is controlled by the divider output control register (DVOCR).
Note 1: fcgck: Gear clock [Hz], fs: Low-frequency clock [Hz]
Note 2: DVOCR<DVOEN> is cleared to "0" when the operation is switched to STOP or IDLE0/SLEEP0 mode. DVOCR<DVOCK>
Note 3: When SYSCR1<DV9CK> is "1" in the NORMAL 1/2 or IDLE 1/2 mode, the DVO frequency is subject to some fluctuations
Note 4: Bits 7 to 3 of DVOCR are read as "0".
Control
DVOEN
DVOCK
Read/Write
Bit Symbol
After reset
holds the value.
to synchronize fs and fcgck.
Enables/disables
the divider output
Selects the divider output frequency
Unit: [Hz]
R
7
0
-
R
6
0
-
R
5
0
0: Disable the divider output
1: Enable the divider output
Page 140
-
00
01
10
11
DV9CK=0
fcgck/2
fcgck/2
fcgck/2
fcgck/2
R
4
0
-
NORMAL 1/2, IDLE 1/2 mode
12
11
10
9
R
3
0
-
DV9CK=1
Reserved
DV0EN
fs/2
fs/2
fs/2
R/W
2
0
5
4
3
1
0
TMP89FH40
DVOCK
SLOW1/2
Reserved
SLEEP1
R/W
mode
fs/2
fs/2
fs/2
5
4
3
0
0
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