cxd1944r Sony Electronics, cxd1944r Datasheet - Page 5

• Manufacturer Part Number: cxd1944r
• Description: Ieee1394 3-port 200mbps Cable Transceiver/arbiter
• Manufacturer: Sony Electronics

Pin No.
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
PLLV
PLLV
PLLV
Symbol
TPB2–
TPB2+
TPB1–
TPB1+
TPA3–
TPA3+
TPA2–
TPA2+
TPA1–
TPA1+
AV
DV
XISO
AV
AV
AV
AV
AV
AV
TB1
TB2
TB3
FLT
XO
R0
R1
XI
DD
DD
SS
SS
SS
SS
SS
SS
DD
SS
SS
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
Supply
I/O(A)
I/O(A)
I/O(A)
I/O(A)
I/O(A)
I/O(A)
I/O(A)
I/O(A)
I/O(A)
I/O(A)
O(A)
O(A)
O(A)
O(A)
O(A)
O(A)
I(A)
I(A)
I/O
I
Port3, Cable Pair A–.
Port3, Cable Pair A+.
Port2, Cable Pair B–.
Port2, Cable Pair B+.
Port2, Cable Pair A–.
Port2, Cable Pair A+.
Analog circuit power ground.
Port1, Cable Pair B–.
Port1, Cable Pair B+.
Port1, Cable Pair A–.
Port1, Cable Pair A+.
Tp bias output. Output 1.85V (typ.), and Hi-Z during chip reset and power
down. Corresponds to one port.
Tp bias output. Output 1.85V (typ.), and Hi-Z during chip reset and power
down. Corresponds to one port.
Tp bias output. Output 1.85V (typ.), and Hi-Z during chip reset and power
down. Corresponds to one port.
Analog circuit power ground.
Analog circuit power ground.
Analog circuit power supply.
PLL circuit power ground.
PLL circuit power ground.
PLL loop filter.
PLL circuit power supply.
Crystal oscillator (24.576MHz±100ppm). The optimum values for the 100k
resistor and 20pF capacitor.
Crystal oscillator (24.576MHz±100ppm). The optimum values for the 100k
resistor and 20pF capacitor.
Digital circuit power supply.
Reference resistance pin. Connect R1 and R0 with 6.8k ±5% resistor. R0
may be connected to ground.
Reference resistance pin. Connect R1 and R0 with 6.8k ±5% resistor. R0
may be connected to ground.
Analog circuit power ground.
XISO = LOW indicates isolation barrier which enables digital differentiator.
Analog circuit power ground.
Analog circuit power ground.
–5–
Description
CXD1944R