Rainbow Electronics DS21458 User Manual
Page 35
DS21455/DS21458 Quad T1/E1/J1 Transceivers
35 of 270
PIN NAME
TYPE
FUNCTION
J9
ESIBS1
I/O
Extended System Information Bus 1
H5
INT
O
Interrupt for All Four Transceivers
K16 JTCLK I
JTAG
Clock
C10
JTDI
I
JTAG Data Input
K13
JTDO
O
JTAG Data Output
J15
JTMS
I
JTAG Test Mode Select
K14 JTRST I
JTAG
Reset
D9
TPD
I
Transmit Power-Down Enable
H4
MCLK1
I
Master Clock for Transceiver 1 and Transceiver 3
J12
MCLK2
I
Master Clock for Transceiver 2 and Transceiver 4
R8
MUX
I
Mux Bus Select
E9 Unused I
Connect
to
VSS for Proper Operation
K9 N.C. —
No
Connection
P3 N.C. —
No
Connection
K3
RCHBLK1
O
Receive Channel Block for Transceiver 1
G10
RCHBLK2
O
Receive Channel Block for Transceiver 2
C7
RCHBLK3
O
Receive Channel Block for Transceiver 3
R11
RCHBLK4
O
Receive Channel Block for Transceiver 4
L2
RCHCLK1
O
Receive Channel Clock for Transceiver 1
G11
RCHCLK2
O
Receive Channel Clock for Transceiver 2
D7
RCHCLK3
O
Receive Channel Clock for Transceiver 3
M9
RCHCLK4
O
Receive Channel Clock for Transceiver 4
K8
RCLK1
O
Receive Clock Output from the Framer on Transceiver 1
F10
RCLK2
O
Receive Clock Output from the Framer on Transceiver 2
G5
RCLK3
O
Receive Clock Output from the Framer on Transceiver 3
K12
RCLK4
O
Receive Clock Output from the Framer on Transceiver 4
H9 Unused I
Connect
to
VSS for Proper Operation
R1
RCLKO1
O
Receive Clock Output from the LIU on Transceiver 1
C14
RCLKO2
O
Receive Clock Output from the LIU on Transceiver 2
A2
RCLKO3
O
Receive Clock Output from the LIU on Transceiver 3
P14
RCLKO4
O
Receive Clock Output from the LIU on Transceiver 4
A10
RD (DS)
I
Read Input (Data Strobe)
K4
RFSYNC1
O
Receive Frame Sync (Before the Receive Elastic Store) for Transceiver 1
G14
RFSYNC2
O
Receive Frame Sync (Before the Receive Elastic Store) for Transceiver 2
C6
RFSYNC3
O
Receive Frame Sync (Before the Receive Elastic Store) for Transceiver 3
P11
RFSYNC4
O
Receive Frame Sync (Before the Receive Elastic Store) for Transceiver 4
M2
RLCLK1
O
Receive Link Clock for Transceiver 1
F15
RLCLK2
O
Receive Link Clock for Transceiver 2
B6
RLCLK3
O
Receive Link Clock for Transceiver 3
R12
RLCLK4
O
Receive Link Clock for Transceiver 4
P2
RLINK1
O
Receive Link Data for Transceiver 1
C15
RLINK2
O
Receive Link Data for Transceiver 2
C3
RLINK3
O
Receive Link Data for Transceiver 3
T15
RLINK4
O
Receive Link Data for Transceiver 4
K5
RLOS/LOTC1
O
Receive Loss of Sync/Loss of Transmit Clock for Transceiver 1
E15
RLOS/LOTC2
O
Receive Loss of Sync/Loss of Transmit Clock for Transceiver 2
D6
RLOS/LOTC3
O
Receive Loss of Sync/Loss of Transmit Clock for Transceiver 3
P12
RLOS/LOTC4
O
Receive Loss of Sync/Loss of Transmit Clock for Transceiver 4
M3
RMSYNC1
O
Receive Multiframe Sync for Transceiver 1
G13
RMSYNC2
O
Receive Multiframe Sync for Transceiver 2
E6
RMSYNC3
O
Receive Multiframe Sync for Transceiver 3
M10
RMSYNC4
O
Receive Multiframe Sync for Transceiver 4
H10
Unused
I
Connect to VSS for Proper Operation