參數資料
型號: SDA 5255
廠商: SIEMENS AG
英文描述: TVTEXT 8-Bit Microcontroller(ROM-Versions )(TV視頻的8位微控制器(含ROM 型 ))
中文描述: TVTEXT 8位微控制器(ROM的版本)(電視視頻的8位微控制器(含光盤型))
文件頁數: 115/143頁
文件大?。?/td> 1050K
代理商: SDA 5255
SDA 525x
Semiconductor Group
115
1998-04-08
ADC-Data Register ADDAT
6.3.13
Advanced Function Register
The machine cycle time is controlled by bit CDC too. For CDC = 1 a machine cycle
consists of 12 oscillator cycles and for CDC = 0 of six oscillator cycles (see
Figure 14
).
ADC-Data Register
Default after reset: undefined
(MSB)
AD7
AD6
ADDAT
SFR-Address D9
H
(LSB)
AD0
AD5
AD4
AD3
AD2
AD1
AD (7-0)
8-Bit Analog Data Value
Advanced Function Register
Default after reset: 00xxxxxxB
(MSB)
CDC
WDT
AFR
SFR-Address A6
H
(LSB)
0
0
0
0
0
0
CDC
Clock divider control bit. If set, the clock divider is on. The
internal clock frequency is half the external oscillator
frequency. If cleared, the clock divider is off. The internal clock
frequency is equal to the external oscillator frequency. This
feature can be used to reduce power dissipation by reducing
the internal clock frequency by a factor of two.
WDT
See
Chapter “Watchdog Timer” on page 87
.
AFR.0 – AFR.5
Reserved, always to be written with ‘0’.
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