Product Preview DS21Q55
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PIN SYMBOL TYPE DESCRIPTION
A20 DVSS2 – Digital Signal Ground.
B11 DVSS2 – Digital Signal Ground.
A5 DVSS3 – Digital Signal Ground.
B7 DVSS3 – Digital Signal Ground.
B9 DVSS3 – Digital Signal Ground.
H20 DVSS4 – Digital Signal Ground
L20 DVSS4 – Digital Signal Ground
N17 DVSS4 – Digital Signal Ground
J4 ESIBRD1 – Extended System Information Bus Read, Transceiver # 1.
C13 ESIBRD2 – Extended System Information Bus Read, Transceiver # 2.
C3 ESIBRD3 – Extended System Information Bus Read, Transceiver # 3.
U13 ESIBRD4 – Extended System Information Bus Read, Transceiver # 4.
W6 ESIBS0_1 I/O Extended System Information Bus 0, Transceiver # 1.
F18 ESIBS0_2 I/O Extended System Information Bus 0, Transceiver # 2.
D7 ESIBS0_3 I/O Extended System Information Bus 0, Transceiver # 3.
T20 ESIBS0_4 I/O Extended System Information Bus 0, Transceiver # 4.
V9 ESIBS1_1 I/O Extended System Information Bus 1, Transceiver # 1.
B17 ESIBS1_2 I/O Extended System Information Bus 1, Transceiver # 2.
A6 ESIBS1_3 I/O Extended System Information Bus 1, Transceiver # 3.
J20 ESIBS1_4 I/O Extended System Information Bus 1, Transceiver # 4.
U1 INT* O Interrupt.
Y15 JTCLK I JTAG Clock.
N1 JTDI I JTAG Data Input, Transceiver #1
V19 JTDO O JTAG Data Output. Transceiver #4
W13 JTMS I JTAG Test Mode Select.
V18 JTRST* I JTAG Reset.
K2 LIUC I Line Interface Connect.
T1 MCLK1 I Master Clock, Transceiver #1 and, Transceiver #3.
W20 MCLK2 I Master Clock, Transceiver #2 and, Transceiver #4.
U10 MUX I Mux Bus Select.
M2 RCHBLK1 O Receive Channel Block, Transceiver #1.
G17 RCHBLK2 O Receive Channel Block, Transceiver #2.
G4 RCHBLK3 O Receive Channel Block, Transceiver #3.
Y12 RCHBLK4 O Receive Channel Block, Transceiver #4.
J1 RCHCLK1 O Receive Channel Clock, Transceiver #1.
D14 RCHCLK2 O Receive Channel Clock, Transceiver #2.
F3 RCHCLK3 O Receive Channel Clock, Transceiver #3.
U14 RCHCLK4 O Receive Channel Clock, Transceiver #4.
N3 RCLK1 O Receive Clock Output from the Framer, Transceiver #1.
B13 RCLK2 O Receive Clock Output from the Framer, Transceiver #2.
E3 RCLK3 O Receive Clock Output from the Framer, Transceiver #3.
M18 RCLK4 O Receive Clock Output from the Framer, Transceiver #4.
M4 RCLKI1 I Receive Clock Input for the LIU, Transceiver #1.
A15 RCLKI2 I Receive Clock Input for the LIU, Transceiver #2.
A4 RCLKI3 I Receive Clock Input for the LIU, Transceiver #3.
R17 RCLKI4 I Receive Clock Input for the LIU, Transceiver #4.
M3 RCLKO1 O Receive Clock Output from the LIU, Transceiver #1.
C14 RCLKO2 O Receive Clock Output from the LIU, Transceiver #2.
B4 RCLKO3 O Receive Clock Output from the LIU, Transceiver #3.
T17 RCLKO4 O Receive Clock Output from the LIU, Transceiver #4.
N2 RD*(DS*) I Read Input (Data Strobe)
K4 RFSYNC1 O Receive Frame Sync (before the receive elastic store), Transceiver