
I - PIN DESCRIPTION
(continued)
I.2 - PINLIST
PQFP
39
40
41
42
43
44
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PLCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
NAME
DGND1
DV
DD1
BCLKR
FSR
RxDO
RxDI
TxDI
TxDO
FSX
BCLKX
EYEY
DGND2
DV
DD2
EYEX
RxCLK
RxHSCLK
RxSYNC
RxRCLK
TxRCLK
TxSYNC
TxHSCLK
TxCLK
DGND3
DV
DD3
TxSCLK
XTAL2
XTAL10
XTAL11
NLPR
EOCMODE
(TEST1)
RxOCLK
(TEST3)
V
REFN
V
REFP
AGNDR
RxA1
RxA2
AV
DD
V
CM
AGNDT
TxA1
TxA2
TxOCLK
(TEST2)
BFRS
SSIM
DESCRIPTION
Digital Ground (0V)
Positive Digital Power Supply (3.15V to 5.25V)
Receive bit Clock Output
Receive Frame Synchronization Output
Receive Serial Data Output
Receive Serial Data Input
Transmit Serial Data Input
Transmit Serial Data Output
Transmit Frame Synchronization Output
Transmit Bit Clock Output
8 bit Y D/AC Output for Eye Pattern display
Digital Ground (0V)
Positive Digital Power Supply (3.15V to 5.25V)
8bitX D/AC Output for Eye Pattern display
Receive Bit Rate Clock Output
Receive Highest Clock Output
Receive Synchronization Pulse Output
Receive Baud Rate Clock Output
Transmit Baud Rate Clock Output
Transmit Synchronous Pulse Output
Transmit Highest Clock Output
Transmit Bit Rate Clock Output
Digital Ground (0V)
Positive Digital Power Supply (3.15V to 5.25V)
Transmit Synchronization Clock Input
CrystalOutput
External Clock/Crystal Input 1
External Clock/Crystal Input 2
Low Power Reset Input
External Oversampling Clock Mode Input. Must be tied to DGND in either the
STLC7545 normal mode orthe 7544 mode.
Receive Oversampling Clock Input. Output high-impedance in normal mode.
25
31
26
27
28
29
30
31
32
33
34
35
36
32
33
34
35
36
37
38
39
40
41
42
16 bit D/AC and A/DC Negative Reference Voltage
16 bit D/AC and A/DC Positive Reference Voltage
AnalogGround (0V)
Receive Positive Analog Input
Receive Negative Analog Input
Positive Analog Power Supply (+5V
±
5%)
Common Mode Voltage Output (2.5V
±
10%)
Analogground (0V)
Smoothing filter positive Output
Smoothing filter negative Output
Transmit Oversampling Clock Input. Output high-impedance in normal mode.
37
38
43
44
Bit Frame Rate Select Input
Serial Synchronous Interface Mode Input
Note :
The pin names in brackets are the corresponding names for the ST7544.
STLC7545
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