SL28PCIe30
DOC#: SP-AP-0775 (Rev. 0.2)
Page 2 of 16
32-QFN Pin Definitions
EProClock Programmable Technology
EProClock is the world’s first non-volatile programmable
clock. The EProClock technology allows board designer to
promptly achieve optimum compliance and clock signal
integrity; historically, attainable typically through device and/or
board redesigns.
EProClock technology can be configured through SMBus or
hard coded.
Features:
- > 4000 bits of configurations
- Can be configured through SMBus or hard coded
- Custom frequency sets
- Differential skew control on true or compliment or both
- Differential duty cycle control on true or compliment or both
- Differential amplitude control
- Differential and single-ended slew rate control
- Program Internal or External series resistor on single-ended
clocks
Pin No.
Name
Type
Description
1
VDD
PWR 3.3V Power Supply
2
VDD_Prog_SE2
PWR 3.3V Power Supply for Prog_SE2 clock
3
Prog_SE2
O, SE Programmable Single ended output with OTP programmable (EProClockTM)
custom frequency
4
VSS_Prog_SE2
GND
Ground for Prog_SE2 clock
5
VSS_SRC
GND
Ground for SRC clocks
6
SRC0
O, DIF 100MHz True differential serial reference clock
7
SRC0#
O, DIF 100MHz Complementary differential serial reference clock
8
VDD_SRC
PWR 3.3V Power Supply for SRC clocks
9
SRC1
O, DIF 100MHz True differential serial reference clock
10
SRC1#
O, DIF 100MHz Complementary differential serial reference clock
11
SRC2
O, DIF 100MHz True differential serial reference clock
12
SRC2#
O, DIF 100MHz Complementary differential serial reference clock
13
VSS_SRC
GND
Ground for SRC clocks
14
VDD_SRC
PWR 3.3V Power Supply for SRC clocks
15
SRC3#
O, DIF 100MHz Complementary differential serial reference clock
16
SRC3
O, DIF 100MHz True differential serial reference clock
17
SRC4#
O, DIF 100MHz Complementary differential serial reference clock
18
SRC4
O, DIF 100MHz True differential serial reference clock
19
VDD_SRC
PWR 3.3V Power Supply for SRC clocks
20
SRC5#
O, DIF 100MHz Complementary differential serial reference clock
21
SRC5
O, DIF 100MHz True differential serial reference clock
22
VSS_SRC
GND
Ground for SRC clocks
23
SCLK
I
SMBus compatible SCLOCK
24
SDATA
I/O
SMBus compatible SDATA
25
XOUT
O
25.00MHz clock output. Float XOUT if using only CLKIN (Clock input)
26
XIN/ CLKIN
I
25.00MHz Crystal input or 3.3V, 25MHz Clock input
27
VSS_REF
GND
Ground for 25M clock
28
25M
O
25MHz reference output clock
29
VDD_REF
PWR 3.3V Power Supply for 25M clock
30
VDD_Prog_SE1
PWR 3.3V Power Supply for Prog_SE1 clock
31
Prog_SE1
O, SE Programmable Single ended output with OTP programmable (EProClockTM)
custom frequency
32
VSS_Prog_SE1
GND
Ground for Prog_SE1 clock