參數(shù)資料
型號: DS21FT44+
廠商: Maxim Integrated Products
文件頁數(shù): 49/117頁
文件大小: 0K
描述: IC FRAMER 4X4 16CH 300-BGA
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 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: 225mA
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
37 of 117
CCR1: COMMON CONTROL REGISTER 1 (Address = 14 Hex)
(MSB)
(LSB)
FLB
THDB3
TG802
TCRC4
RSM
RHDB3
RG802
RCRC4
SYMBOL
POSITION
NAME AND DESCRIPTION
FLB
CCR1.7
Framer Loopback
0 = loopback disabled
1 = loopback enabled
THDB3
CCR1.6
Transmit HDB3 Enable
0 = HDB3 disabled
1 = HDB3 enabled
TG802
CCR1.5
Transmit G.802 Enable. See Section 22 for details.
0 = do not force TCHBLK high during bit 1 of timeslot 26
1 = force TCHBLK high during bit 1 of timeslot 26
TCRC4
CCR1.4
Transmit CRC4 Enable
0 = CRC4 disabled
1 = CRC4 enabled
RSM
CCR1.3
Receive Signaling Mode Select
0 = CAS signaling mode
1 = CCS signaling mode
RHDB3
CCR1.2
Receive HDB3 Enable
0 = HDB3 disabled
1 = HDB3 enabled
RG802
CCR1.1
Receive G.802 Enable. See Section 22 for details.
0 = do not force RCHBLK high during bit 1 of timeslot 26
1 = force RCHBLK high during bit 1 of timeslot 26
RCRC4
CCR1.0
Receive CRC4 Enable
0 = CRC4 disabled
1 = CRC4 enabled
FRAMER LOOPBACK
When CCR1.7 is set to a one, the framer will enter a Framer LoopBack (FLB) mode. See Figure 6–1 for
more details. This loopback is useful in testing and debugging applications. In FLB, the framer will loop
data from the transmit side back to the receive side. When FLB is enabled, the following will occur:
1) Data will be transmitted as normal at TPOS and TNEG.
2) Data input by RPOS and RNEG will be ignored.
3) The RCLK output will be replaced with the TCLK input.
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