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AK4254 Datasheet, PDF (17/22 Pages) Asahi Kasei Microsystems – Capacitor-less Video Amp with 7:2 Video Switch
ASAHI KASEI
[AK4254]
■ Register Map
Addr Register Name
00H Input Selector Control
01H (Reserved)
D7
D6
D5
D4
D3
D2
D1
D0
0
SEL22 SEL21 SEL20
0
SEL12 SEL11 SEL10
0
0
0
0
0
0
0
0
The PDN pin = “L” resets the all registers to their default values.
(Note: 18) “The “0” register should be written “0”, the “1” register should be written “1” data.
(Note: 19) Do not write any data to the register except 00H.
■ Register Definitions
Addr
00H
Register Name
Input Selector Control
Default
D7
D6
D5
D4
D3
D2
D1
D0
0
SEL22 SEL21 SEL20
0
SEL12 SEL11 SEL10
0
0
0
0
0
0
0
0
SEL12-10: Input Selector 1 Control (Table 7)
The default is “000” (VOUT1 output is “GND”).
SEL22-20: Input Selector 2 Control (Table 8)
The default is “000” (VOUT2 output is “GND”).
MS0586-E-01
- 17 -
2007/08