參數(shù)資料
型號: TMP86CH09NG
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 16 MHz, MICROCONTROLLER, PDIP32
封裝: 0.400 INCH, 1.78 MM PITCH, LEAD FREE, PLASTIC, SDIP-32
文件頁數(shù): 86/120頁
文件大?。?/td> 1743K
代理商: TMP86CH09NG
Page 57
TMP86FH09ANG
6.2 Divider Output (DVO)
Approximately 50% duty pulse can be output using the divider output circuit, which is useful for piezoelectric
buzzer drive. Divider output is from DVO pin.
6.2.1 Configuration
Figure 6-3 Divider Output
6.2.2 Control
The Divider Output is controlled by the Time Base Timer Control Register.
Note: Selection of divider output frequency (DVOCK) must be made while divider output is disabled (DVOEN="0"). Also, in other
words, when changing the state of the divider output frequency from enabled (DVOEN="1") to disable(DVOEN="0"), do not
change the setting of the divider output frequency.
Time Base Timer Control Register
76
5
4
3
2
1
0
TBTCR
(0036H)
DVOEN
DVOCK
(DV7CK)
(TBTEN)
(TBTCK)
(Initial value: 0000 0000)
DVOEN
Divider output
enable / disable
0: Disable
1: Enable
R/W
DVOCK
Divider Output (DVO)
frequency selection: [Hz]
NORMAL1/2, IDLE1/2 Mode
SLOW1/2
SLEEP1/2
Mode
R/W
DV7CK = 0
DV7CK = 1
00
fc/213
fs/25
01
fc/212
fs/24
10
fc/211
fs/23
11
fc/210
fs/22
TBTCR
Output latch
Port output latch
MPX
DVOEN
TBTCR<DVOEN>
DVO pin output
DVOCK
Divider output control register
(a) configuration
(b) Timing chart
Data output
2
A
B
C
Y
D
S
D
Q
DVO pin
fc/213 or fs/25
fc/212 or fs/24
fc/211 or fs/23
fc/210 or fs/22
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