Pioneer DVR-520H-S Service Manual page 136

1
• Control Pins
No. Pin Name
26 PC0
A
27 PC1
28 PC2
30 CMC
55 RESETB
B
61 SPD/BDB
• IC
No. Pin Name
29, 51 IC (AL)
3 IC (DL)
C
• Power Supply Pins
No.
25, 31, 40, 47, 54
24, 33, 35, 42, 49, 52, 53
4, 10, 20, 56, 60
1, 7, 13, 16, 21, 57, 64
• Other Pins
D
No. Pin Name
41 TpBias0
48 TpBias1
34 RI1
23 XI
22 XO
62 FNSel
E
F
136
1
2
I/O
I
Power class set input
I This pin status will be loaded to Pwr_class bit which allocated to PHY register 4H.
IEEE1394a-2000 chapter [4.3.4.1]
I
Configuration manager capable setting
This pin status will be loaded to Contender bit which allocated to PHY register 4H.
I
0 : Non contender
1 : Contender
Power on reset input
Connect to GND through a 0.1 µF capacitor.
I
0 : Reset
1 : Normal
Speed select (UPD72852GB)
I
0 : MAX. S200
FNSel = 0
1 : MAX. S400
BIAS Detected output (Logical Inverse)
O
0 : BIAS is coming from some port.
FNSel = 1
1 : BIAS is not coming from any port.
I/O
Internally Connected (Low Clamped)
−
Connected to GND.
Internally Connected (Low Clamped)
−
Connected to GND.
Pin Name I/O
−
AV Analog power
DD
−
AGND Analog GND
−
DV Digital V
DD
−
DGND Digital GND
I/O
O Port 0 twisted pair output
O Port 1 twisted pair output
Resistor connection pin 1 for reference current generator
−
Please connect to GND pin through the 9.1 kΩ resistor.
−
Crystal oscillator connection XI
−
Crystal oscillator connection XO
Function Select
I 0 : #61 acts as SPD (UPD72852GB compliant)
1 : #61 acts as BDB
2
3
Function
Function
DD
Function
DVR-520H-S
3
4
Function
4