參數(shù)資料
型號: DS21FF44
廠商: Maxim Integrated Products
文件頁數(shù): 112/117頁
文件大小: 0K
描述: IC FRAMER E1 4X4 16CH 300-BGA
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 40
控制器類型: E1 調(diào)幀器
接口: 并行/串行
電源電壓: 2.97 V ~ 3.63 V
電流 - 電源: 300mA
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 300-BBGA
供應(yīng)商設(shè)備封裝: 300-PBGA(27x27)
包裝: 管件
DS21FT44/DS21FF44
94 of 117
Figure 22-3. RECEIVE SIDE 1.544MHz BOUNDARY TIMING (With Elastic
Store Enabled)
Figure 22-4. RECEIVE SIDE 2.048MHz BOUNDARY TIMING (With Elastic
Store Enabled)
RSER
LSB MSB
F
MSB
LSB
RCHCLK
RSYNC / RMSYNC
RCHBLK
RSYSCLK
RSYNC
1
2
3
CHANNEL 23/31
CHANNEL 24/32
CHANNEL 1/2
4
Notes:
1. Data from the E1 channels 1, 5, 9, 13, 17, 21, 25, and 29 is dropped (channel 2 from the E1 link is
mapped to channel 1 of the T1 link, etc.) and the F-bit position is added (forced to one)
2. RSYNC is in the output mode (RCR1.5 = 0)
3. RSYNC is in the input mode (RCR1.5 = 1)
4. RCHBLK is programmed to block channel 24
RSER
LSB MSB
LSB
CHANNEL 1
RCHCLK
RSYNC / RMSYNC
RCHBLK
RSYSCLK
RSYNC
CHANNEL 31
CHANNEL 32
1
2
3
MSB
Notes:
1. RSYNC is in the output mode (RCR1.5 = 0)
2. RSYNC is in the input mode (RCR1.5 = 1)
3. RCHBLK is programmed to block channel 1
4. RSIG normally contains the CAS multiframe alignment nibble (0000) in Channel 1
RSIG
D
CHANNEL 1
CHANNEL 31
CHANNEL 32
Note 4
A
B
C
D
AB
C
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