pef2256e Infineon Technologies Corporation, pef2256e Datasheet - Page 265

• Manufacturer Part Number: pef2256e
• Description: E1/t1/j1 Framer And Line Interface Component For Long- And Short-haul Applications
• Manufacturer: Infineon Technologies Corporation

System Interface Control 1 (Read/Write)
Value after reset: 00
SIC1
SSC(1:0)
SSD1
RBS(1:0)
BIM
XBS(1:0)
User’s Manual
Hardware Description
SSC1
7
Select System Clock
SIC1.SSC(1:0) define the clocking rate on the system highway.
00 = 2.048 MHz
01 = 4.096 MHz
10 = 8.192 MHz
11 = 16.384 MHz
Select System Data Rate 1
SIC1.SSD1 and FMR1.SSD0 define the data rate on the system
highway. Programming SSD1/SSD0 and corresponding data rate is
shown below.
00 = 2.048 Mbit/s
01 = 4.096 Mbit/s
10 = 8.192 Mbit/s
11 = 16.384 Mbit/s
Receive Buffer Size
00 = Buffer size: 2 frames
01 = Buffer size: 1 frame
10 = Buffer size: 96 bits
11 = bypass of receive elastic store
Bit Interleaved Mode
0 =
1 =
Transmit Buffer Size
00 = Bypass of transmit elastic store
01 = Buffer size: 1 frame
10 = Buffer size: 2 frames
11 = Buffer size: 96 bits
SSD1
Bit interleaved mode
Byte interleaved mode
RBS1
RBS0
265
SSC0
BIM
XBS1
DS1.1, 2003-10-23
PEF 2256 H/E
XBS0
E1 Registers
0
FALC
(3E)
®
56