MTC-20144TQ-I AMI Semiconductor, Inc., MTC-20144TQ-I Datasheet - Page 3

• Manufacturer Part Number: MTC-20144TQ-I
• Description: Integrated ADSL CMOS Analog Front-End Circuit
• Manufacturer: AMI Semiconductor, Inc.

Pin Assignment
Table 1 : Pinning Description MTC-20144 AFE
Pin No
Analog Interface
24
25
26
29
30
31
32
38
44
45
46
47
48
49
50
53
55
56
59
60
Digital Interface
1
2
3
4
5
6
7
9
10
11
12
Name
VRAP
VREF
VRAN
N/C
N/C
TXP
TXN
AGND
VCOC
GC0
GC1
RXIN0
RXIP0
RXIN1
RXIP1
IREF
VCO
VCXO
XTALI
XTALO
TX1
TX0
N/U
N/U
N/U
N/U
CTRLIN
CLKM
CLNIB
CLWD
RX3
Description
positive voltage reference ADC
ground reference ADC
negative voltage reference ADC
no connection
no connection
pre driver output
pre driver output
analog ground ( 1.65V=AVDD/2 )
VCODAC time constant capacitor
External Gain control output LSB
External Gain control output MSB
analog receive negative input Gain 0
analog receive positive input Gain 0
analog receive negative input Gain 1
(most sensitive input)
analog receive positive input Gain 1
(most sensitive input)
current reference TX DAC/DACE
current reference VCO DAC
VXCO control current
XTAL oscillator input pin
XTAL oscillator output pin
digital transmit input, parallel data
digital transmit input, parallel data
serial data input ( settings)
master clock output, f=35.328 MHz
nibble clock output, f=17.664 MHz (OSR=2)
or ground (OSR=4)
word clock output , f=8.832/4.416 MHz
digital receive output, parallel data
3
Decoupling network
Ground
Ground
Ground
Ground
sync interface
Load=CL<30pF
PCB Connection
Decoupling network
Open
Open
Line-driver input
VCODAC cap.
Echo filter output
Decoupling network
VCO bias network
VCXO filter
Crystal + varicap
Load=CL<30pF
MTC-20144
Supply
AVDD3
AVDD3
AVDD3
AVDD4
AVDD4
AVDD4
AVDD4
AVDD5
AVDD5
AVDD5
AVDD5
AVDD5
AVDD5
AVDD5
AVDD5
AVDD2
AVDD1
AVDD1
AVDD1
AVDD1
DVDD2
DVDD2
DVDD2
DVDD2
DVDD2
DVDD2
DVDD2