Datasheet
DS26504 T1/E1/J1/64KCC BITS Element
35 of 129
7.3.3 Mode Configuration Register
Register Name:
MCREG
Register Description:
Mode Configuration Register
Register Address:
08h
Bit # 7 6 5 4 3 2 1 0
Name TMODE3 TMODE2 TMODE1 TMODE0 RMODE3 RMODE2 RMODE1 RMODE0
Default 0 0 0 0 0 0 0 0
HW
Mode
TMODE3
PIN 62
TMODE2
PIN 48
TMODE1
PIN 49
TMODE0
PIN 14
RMODE3
PIN 64
RMODE2
PIN 61
RMODE1
PIN 4
RMODE0
PIN 3
Bits 0 to 3: Receive Mode Configuration (RMODE[0:3]). Used to select the operating mode of the receive path for the
DS26504.
RMODE3 RMODE2 RMODE1 RMODE0 RECEIVE PATH OPERATING MODE
0 0 0 0 T1 D4 Framing Mode
0 0 0 1 T1 ESF Framing Mode
0 0 1 0 J1 D4 Framing Mode
0 0 1 1 J1 ESF Framing Mode
0 1 0 0 E1 FAS Framing Mode
0 1 0 1 E1 CAS Framing Mode
0 1 1 0 E1 CRC4 Framing Mode
0 1 1 1 E1 CAS and CRC4 Framing Mode
1 0 0 0 E1 G.703 2048 kHz Synchronization Interface Mode
1 0 0 1 64kHz + 8kHz Synchronization Interface Mode
1 0 1 0 64kHz + 8kHz + 400Hz Synchronization Interface Mode
1 0 1 1 6312kHz Synchronization Interface Mode
1 1 0 0 GR378 64kHz Composite Clock
1 1 0 1 G.703 Level B 64kHz + 8kHz Synchronization Interface
1 1 1 0 Reserved
1 1 1 1 Reserved
Bits 4 to 7: Transmit Mode Configuration (TMODE[4:7]). Used to select the operating mode of the transmit path for the
DS26504.
TMODE3 TMODE2 TMODE1 TMODE0 TRANSMIT PATH OPERATING MODE
0 0 0 0 T1 D4 Framing Mode
0 0 0 1
T1 ESF Framing Mode (Note: In this mode, the TFSE
(T1TCR2.6) bit should be set = 0.)
0 0 1 0 J1 D4 Framing Mode
0 0 1 1 J1 ESF Framing Mode
0 1 0 0 E1 FAS Framing Mode
0 1 0 1 E1 CAS Framing Mode
0 1 1 0 E1 CRC4 Framing Mode
0 1 1 1 E1 CAS and CRC4
1 0 0 0 E1 G.703 2048 kHz Synchronization Interface Mode
1 0 0 1 64kHz + 8kHz Synchronization Interface Mode
1 0 1 0 64kHz + 8kHz + 400Hz Synchronization Interface Mode
1 0 1 1 6312kHz Synchronization Interface Mode
1 1 0 0 GR378 64kHz Composite Clock
1 1 0 1 G.703 Level B 64kHz + 8kHz Synchronization Interface
1 1 1 0 Reserved
1 1 1 1 Reserved










