AK8858 Datasheet, PDF (10/96 Pages) Asahi Kasei Microsystems – PS/SD Multi Format Video Decoder

[AK8858]
Pin
No.
Symbol
P/S
I/O
Functional Description
58 XTO A
59 XTI
A
60 AVSS A
61 AVSS A
62 AIN1 A
63 AVDD A
64 AIN2 A
Crystal connection pin. Use 24.576 MHz crystal.
O When PDN=L, output level is AVSS.
If crystal is not used, connect to NC or AVSS.
I
Crystal connection pin. Use 24.576 MHz crystal resonator.
For input from 24.576 MHz crystal oscillator, use this pin.
G Analog ground pin.
G Analog ground pin.
I
Analog video signal input pin.Connect via 0.033μF capacitor and voltage-splitting
resistors. If not used, connect to NC.
P Analog power supply pin.
I
Analog video signal input pin.Connect via 0.033μF capacitor and voltage-splitting
resistors. If not used, connect to NC.
65 AVSS A G Analog ground pin.
66 AIN3 A
67 AVDD A
68 AIN4 A
I
Analog video signal input pin.Connect via 0.033μF capacitor and voltage-splitting
resistors. If not used, connect to NC.
P Analog power supply pin.
I
Analog video signal input pin.Connect via 0.033μF capacitor and voltage-splitting
resistors. If not used, connect to NC.
69 ATIO A I/O Aanalog test pin. For normal operation, connect to AVSS.
70 AIN5 A
71 VCOM A
I
Analog video signal input pin.Connect via 0.033μF capacitor and voltage-splitting
resistors. If not used, connect to NC.
O
Common internal voltage for AD converter.
Connect to AVSS via 0.1uF ceramic capacitor (±10%).
72 AIN6 A
73 AVSS A
74 IREF A
75 AVDD A
76 AIN7 A
77 VRP A
78 AIN8 A
I
Analog video signal input pin.Connect via 0.033μF capacitor and voltage-splitting
resistors. If not used, connect to NC.
G Analog ground pin.
O
Analog circuit reference current setting pin.
Connect to AVSS via 6.8KΩ (±1% accuracy) resistor.
P Analog power supply pin.
I
Analog video signal input pin.Connect via 0.033μF capacitor and voltage-splitting
resistors. If not used, connect to NC.
O
Internal reference positive voltage pin for AD converter.
Connect to AVSS via 0.1uF ceramic capacitor (±10%).
I
Analog video signal input pin.Connect via 0.033μF capacitor and voltage-splitting
resistors. If not used, connect to NC.
79 VRN
A
O
Internal reference negative voltage pin for AD converter.
Connect to AVSS via 0.1uF ceramic capacitor (±10%).
Analog video signal input pin.
80 AIN9 A I Connect via 0.033 µF capacitor and voltage-splitting resistors as shown in page 107.
If it is not used, connect to NC.
[Power supply] A: AVDD, D: DVDD, P1: PVDD1, P2: PVDD2
[Input/Output] I: intput pin, O: output pin, I/O: input/output pin, P: power supply pin, G: ground connection pin
(*1)_{See {[3.2] Output pin state} for relation of output to OE/PDN and RSTN pin status.}
MS1230-E-00
- 10 -
2010/9