peb2035 ETC-unknow, peb2035 Datasheet - Page 19

• Manufacturer Part Number: peb2035
• Description: Communications Advanced Cmos Frame Aligner
• Manufacturer: ETC-unknow

1.3
P-LCC
Pin No.
41
Semiconductor Group
Pin Definitions and Functions (cont’d)
P-DIP
Pin No.
37
Symbol
XRCLK /
RMFB
Input (I)
Output (O)
O
Function
PCM 30: Transmit Route Clock
2048-kHz clock derived from the internal clock of
4096 kHz.
PCM 24: Receive Multiframe Begin
The function depends on programming bit
ACR.MFBS:
MFBS = 1: RMFB marks the beginning of every
received multiframe (RDO).
MFBS = 0: Marks the beginning of every received
superframe. Additional pulses every 12 frames are
provided when using ESF or F72 format. Status
bits MFR.RMB and MFR.RRS specify multiframe
begin and the beginning of the DL channel (F72
only).
In both cases the pulses which normally are two
frames long can be reset by writing a ’1’ to the
acknowledge bit XFDL.RMAK.
19
PEB 2035