PCA84C646P PHILIPS [NXP Semiconductors], PCA84C646P Datasheet - Page 25
PCA84C646P
Manufacturer Part Number
PCA84C646P
Description
Microcontrollers for TV tuning control and OSD applications
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.PCA84C646P.pdf
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Philips Semiconductors
12.1
Table 22 Derivative Register 22 (address 22H)
Table 23 Description of Derivative Register 22 bits
1995 Jun 15
Microcontrollers for TV tuning
control and OSD applications
TDACE
BIT
7
7
6
5
4
3
2
1
0
Derivative Register 22 (CON1)
SYMBOL
VOW1E
VOW0E
TDACE
AFCE2
AFCE1
AFCE0
SDAE
SCLE
SCLE
6
Pulse Width Modulated output TDAC enable bit. When:
I
I
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.
Pin function selection bit. When:
Pin function selection bit. When:
2
2
C-bus clock enable bit. When:
C-bus data 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.
SCLE = 1; pin DP21/SCL is selected as SCL (I
SCLE = 0; pin DP21/SCL is selected as Derivative Port line DP21.
SDAE = 1; pin DP20/SDA is selected as SDA (I
SDAE = 0; pin DP20/SDA is selected as Derivative Port line DP20.
VOW1E = 1; pin DP22/VOW1 is selected as VOW1.
VOW1E = 0; pin DP22/VOW1 is selected as Derivative Port line DP22.
VOW0E = 1; pin DP23/VOW1 is selected as VOW1.
VOW0E = 0; pin DP23/VOW1 is selected as Derivative Port line DP23.
SDAE
5
ADC2E
4
25
ADC1E
3
DESCRIPTION
PCA84C646; PCA84C846
ADC0E
2
2
2
C-bus clock line).
C-bus data line).
VOW1E
Preliminary specification
1
VOW0E
0
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