参数资料
型号: DS21FF44
厂商: Maxim Integrated Products
文件页数: 115/117页
文件大小: 0K
描述: IC FRAMER E1 4X4 16CH 300-BGA
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 40
控制器类型: E1 调帧器
接口: 并行/串行
电源电压: 2.97 V ~ 3.63 V
电流 - 电源: 300mA
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 300-BBGA
供应商设备封装: 300-PBGA(27x27)
包装: 管件
DS21FT44/DS21FF44
97 of 117
Figure 22-8. TRANSMIT SIDE BOUNDARY TIMING (With Elastic Store
Disabled)
Figure 22-9. TRANSMIT SIDE 1.544MHz BOUNDARY TIMING (With Elastic
Store Enabled)
LSB
MSB
CHANNEL 2
CHANNEL 1
TCHCLK
2
3
TCLK
TSYNC
TCHBLK 4
Don't Care
TLCLK
TLINK
Don't Care
5
A
Sa4
Sa5
Sa6
Sa7 Sa8
Notes:
1. There is a 5 TCLK delay from TSER to TPOS and TNEG
2. TSYNC is in the input mode (TCR1.0 = 0)
3. TSYNC is in the output mode (TCR1.0 = 1)
4. TCHBLK is programmed to block channel 2
5. TLINK is programmed to source the Sa4 bits
6. The signaling data at TSIG during channel 1 is normally overwritten in the transmit formatter with
the CAS multiframe alignment nibble (0000)
7. Shown is a non-align frame boundary
TPOS, TNEG
Si
1
CHANNEL 2
CHANNEL 1
TSIG
B
CD
A
BC
D
Note 6
LSB
MSB
LSB
MSB
A
Sa4
Sa5
Sa6
Sa7
Sa8
TSER
Si
1
CHANNEL 1
MSB
CHANNEL 32
1
TSER
LSB MSB
LSB
CHANNEL 1
TCHCLK
TCHBLK
TSYSCLK
TSSYNC
CHANNEL 23
CHANNEL 24
Notes:
1. TCHBLK is programmed to block channel 23
2. The F-bit position is ignored by the DS2154
1
MSB
F-Bit
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