mt9072av2 Zarlink Semiconductor, mt9072av2 Datasheet - Page 181
mt9072av2
Manufacturer Part Number
mt9072av2
Description
Octal T1/e1/j1 Framer
Manufacturer
Zarlink Semiconductor
Datasheet
1.MT9072AV2.pdf
(275 pages)
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17.2.4
Tables 158 to 172 describe the bit functions of each of the Master Status Registers in the MT9072 in E1 mode.
Each register is repeated for each of the 8 framers. Framer 0 is addressed with Y=0, Framer 1 with Y=1, Framer 2
with Y=2 and so on up to Framer 7 with Y=7 (where Y represents the 4 most significant address bits (MSB)
A11-A8).
Bit
15-8
15-8
7-0
Bit
1
0
7-0
Bit
TXIDC
RXIDC
Name
Name
Name
E4CK
DLCK
Master Status Registers (Y10 - Y1A) Bit Functions
7-0
(0)
7-0
(0)
(0)
(0)
#
#
not used.
Transmit Idle Code. This is the idle code that is sent on the PCM30 channels if the per timeslot
control bit MPDT is set(Y90-YAF)
not used.
Receive Idle Code. This is the idle code that is sent on the DSTochannels if the per timeslot
control bit MPDR is set(Y90-YAF). Note that bit 7 is sent out first.
Extracted 4 Data Link Clock. If one, the RxDLC pin outputs an ST-BUS type 4.096 MHz
clock signal derived from a doubled 2.048 MHz clock signal at the EXCLi pin. This clock is
synchronous with the receive data before it passes through the elastic buffer at the RxDL pin,
or at the DSTo pin if control bit ELAS (register address Y03) is disabled. If zero, the RxDLC pin
operates as a receive data link clock or enable signal as programmed by control bit DLCK
(register address Y08).
Data Link Clock. If one, the TxDLC and RxDLC pins output a gapped clock. If zero, the
TxDLC and RxDLC pins output an active low enable signal. The above only applies for the
national bits enabled for DL pin operation (by the Sa4-8 bits of register address Y03). See
Figures 30 to 34.
Table 150 - DataLink Control Register (R/W Address Y08) (E1)
Table 152 - Transmit Idle Code Register(Y0A) (E1)
Table 151 - Receive Idle Code Register(Y09) (E1)
Zarlink Semiconductor Inc.
MT9072
Functional Description
Functional Description
Functional Description
181
Data Sheet
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