ST70136B STMICROELECTRONICS [STMicroelectronics], ST70136B Datasheet - Page 4

• Manufacturer Part Number: ST70136B
• Description: CPE ADSL ANALOG FRONT END
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST70136
Table 1 : Pin Assignment (continued)
* A "N" means active low. Example: R/NW means write active low.
4/24
TQFP
29
30
31
32
33
34
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
Pins
LFBGA
H7
G6
H8
G8
G7
E7
E8
E6
D6
D8
D7
C7
C8
B7
B8
A8
A7
C6
A6
B6
D5
C5
B5
D4
A5
C4
A4
B4
D3
A3
B3
A2
F5
F7
F8
F6
VCOCAP
VDDOSC
IREF50U
VCXOUT
VSSOSC
VSSESD
V375AD
V250AD
V125AD
V290DA
V3P75V
VSBIAS
VDDA1
VDDA3
VDDA4
VDDA5
VDDA6
VSSA3
VSSA4
VSSA5
VSSA6
XTALO
PGAN
PGAP
Name
VSDA
XTALI
IVCO
TXIP
TXIN
RXN
GC1
GC0
TON
TOP
TXN
TXP
VDDA
VDDA
VDDA
VDDA
VDDA
VDDD
VSSA
VSSA
VSSA
VSSA
VSSA
VSSA
VSSD
VSSD
Type
AIO
AIO
AO
AO
AO
AO
AO
AO
AO
AO
AO
DO
DO
AO
DO
DI
AI
AI
AI
AI
AI
AI
Negative Analog Receive input
RXPGA voltage supply (5v)
Bias and References voltage supply (5v)
External resistor for bias current 50k
3.75v output from bandgap; 0.22 F decoupling
Substrate voltage for biasing & reference cell (Must be connected to
VSSAx)
3.75 volt reference voltage. Need decoupling 0.1 F
2.50 volt reference voltage. Need decoupling 0.1 F
1.25 volt reference voltage. Need decoupling 0.1 F
2.90 volt reference voltage. Need decoupling 0.1 F
Biasing and References ground voltage
Tx path ground voltage
Negative TXPGA output
Positive analog input for Tx external filtering
Negative analog transmit output
Positive analog transmit output
Negative analog input for Tx external filtering
Positive TXPGA output
Tx analog supply voltage (5V)
Substrate voltage for DAC path (Must be connected to VSSAx)
DAC path ground voltage
DAC analog supply voltage (5v)
MSB for external gain control
LSB for external gain control
VCXO & Tone detector Input analog supply voltage (5v)
Negative tone detector input
Positive tone detector input
VCXO output current
VCXO input current
VCXO output filtering
VCXO & Tone detector analog ground voltage
Ground voltage reference for ESD
Ground voltage for Xtal oscillator
Xtal oscillator input
Xtal oscillator output
Supply voltage for Xtal cell (3.3v)
Description