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參數(shù)資料
| 型號(hào)： | PCA84C886 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Microcontrollers for TV tuning control and OSD applications(應(yīng)用于TV調(diào)頻和OSD的微控制器) |
| 中文描述： | 微控制器的控制和調(diào)整（應(yīng)用于電視調(diào)頻和OSD的微控制器應(yīng)用的電視OSD） |
| 文件頁(yè)數(shù)： | 25/72頁(yè) |
| 文件大?。?/td> | 564K |
| 代理商： | PCA84C886 |
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1995 Jun 15
25
Philips Semiconductors
Preliminary specification
Microcontrollers for TV tuning
control and OSD applications
PCA84C646; PCA84C846
12.1
Derivative Register 22 (CON1)
Table 22
Derivative Register 22 (address 22H)
Table 23
Description of Derivative Register 22 bits
7
6
5
4
3
2
1
0
TDACE
SCLE
SDAE
ADC2E
ADC1E
ADC0E
VOW1E
VOW0E
BIT
SYMBOL
DESCRIPTION
7
TDACE
Pulse Width Modulated output TDAC enable bit. When:
TDACE = 1; pin DP13/TDAC is selected as output TDAC.
TDACE = 0; pin DP13/TDAC is selected as Derivative Port line DP1.
I
2
C-bus clock enable bit. When:
SCLE = 1; pin DP21/SCL is selected as SCL (I
2
C-bus clock line).
SCLE = 0; pin DP21/SCL is selected as Derivative Port line DP21.
I
2
C-bus data enable bit. When:
SDAE = 1; pin DP20/SDA is selected as SDA (I
2
C-bus data line).
SDAE = 0; pin DP20/SDA is selected as Derivative Port line DP20.
These 3 bits select the pin function of DP1i/AFC and enable/disable the comparator in
the AFC circuit; for the selection and enable/disable function see Table 7.
6
SCLE
5
SDAE
4
3
2
1
AFCE2
AFCE1
AFCE0
VOW1E
Pin function selection bit. When:
VOW1E = 1; pin DP22/VOW1 is selected as VOW1.
VOW1E = 0; pin DP22/VOW1 is selected as Derivative Port line DP22.
Pin function selection bit. When:
VOW0E = 1; pin DP23/VOW1 is selected as VOW1.
VOW0E = 0; pin DP23/VOW1 is selected as Derivative Port line DP23.
0
VOW0E
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