ds265188-port-t1-e1-j1-transc Maxim Integrated Products, Inc., ds265188-port-t1-e1-j1-transc Datasheet - Page 134

• Manufacturer Part Number: ds265188-port-t1-e1-j1-transc
• Description: Ds26518 8-port T1/e1/j1 Transceiver
• Manufacturer: Maxim Integrated Products, Inc.

Table 10-15. Backplane Reference Clock Select
BPREFSEL3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
BPREFSEL2
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
BPREFSEL1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
134 of 313
BPREFSEL0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
BFREQSEL
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
DS26518 8-Port T1/E1/J1 Transceiver
2.048MHz RCLK1
1.544MHz RCLK1
2.048MHz RCLK2
1.544MHz RCLK2
2.048MHz RCLK3
1.544MHz RCLK3
2.048MHz RCLK4
1.544MHz RCLK4
2.048MHz RCLK5
1.544MHz RCLK5
2.048MHz RCLK6
1.544MHz RCLK6
2.048MHz RCLK7
1.544MHz RCLK7
2.048MHz RCLK8
1.544MHz RCLK8
2.048MHz derived from
MCLK. (REFCLKIO is an
output.)
1.544MHz derived from
MCLK. (REFCLKIO is an
output.)
2.048MHz external clock
input at REFCLKIO.
(REFCLKIO is an input.)
1.544MHz external clock
input at REFCLKIO.
(REFCLKIO is an input.)
REFERENCE CLOCK
SOURCE