ak8825 AKM Semiconductor, Inc., ak8825 Datasheet - Page 12

• Manufacturer Part Number: ak8825
• Description: Hd/sd Multi Format Video Encoder With 3ch Dac
• Manufacturer: AKM Semiconductor, Inc.

Rev-E-00
A7, B5,
B7, B8,
C3, C8,
F2,G9,
E1, H8
J5, F9
F1,H9
J1,J6
B1
C2
C1
D2
C9
B9
A5
B6
A6
B3
A2
A3
A8
A4
B4
D1
B2
A1
A9
J9
DVSS
PVDD2
NC
PDN
SDA
SCL
SELA
HDO
VDO
DACO1
DACO2
DACO3
VREF
IREF
BYPASS
FLT
AVDD
AVSS
DVDD
PVDD1
BVSS
TEST0
TEST1
TMO
I/O
P1
P1
P1
P1
P2
P2
P1
P2
A
A
A
A
A
A
A
A
A
D
D
A
I
I
I/O
P1
P2
P2
O
O
O
O
O
O
O
O
G
G
G
P
P
P
P
I
I
I
I
Control Pin for Power Down and Reset.
AK8825 is initialized with PDN = Low.
AK8825 becomes Power down states during PDN=Low
Normal operation mode, PDN pin should be High.
This pin is Prohibited to be Hi-z States
I2C Bus Data Input Pin.
Pulled up externally.
I2C BUS clock input pin.
Pulled up externally.
I2C BUS Address select pin.
Fixed to PVSS1 or PVDD1.
Horizontal Sync Timing signal output pin.
In case of PDN pin = Low, this pin outputs Low.
Vertical Sync Timing signal output pin.
In case of PDN Pin = Low, this pin outputs Low.
DAC1 output pin. Output signal is set by register
Composite Video Encoder mode:
Y or CVBS
Component Video Encoder mode:
Y or G
High Speed Video DAC mode:
Depending on Input data.
Load resistor is 300-ohm
DAC2 output pin. Output signal is set by register
Composite Video Encoder mode:
Pb or B
Component Video Encoder mode:
C
High Speed Video DAC mode:
Depending on Input data.
Load resistor is 300-ohm
DAC3 output pin. Output signal is set by register
Composite Video Encoder mode:
Pr or R
Component Video Encoder mode:
CVBS
High Speed Video DAC mode:
Depending on Input data.
Load resistor is 300-ohm
to be connected to AVDD via a 0.1 uF capacitor
Reference Current Output pin for DAC
Should be connected to AVSS via a 3.3 K ohm ( +/- 1 % ) resistor.
Output pin to output On-Chip VREF voltage.
Should be connected to AVSS via a larger-than 0.1 uF capacitor.
Filter Pin for PLL
Power supply pin for Analog.
Ground pin for Analog
Power supply pins for Digital.
Ground pins for Digital.
Power supply pin for I/O(PDN, SDA, SCL, SELA)
Power supply pins for I/O(CLKIN, DATA[17:0], HDI, VDI)
Ground pin for Substrate.
Connect to AVSS.
TEST pin.
Connect to DVSS.
(Internally Pull-down with approx. 100k-ohm)
TEST pin.
Connect to DVSS.
(Internally Pull-down with approx. 100k-ohm)
TEST pin.
Leave open.
(Internally Pull-down with approx. 100k-ohm)
NCpins.
Leave open.
12
2008/03
[AK8825]