參數(shù)資料
型號: DS2143QN/T&R
廠商: Maxim Integrated Products
文件頁數(shù): 19/44頁
文件大?。?/td> 0K
描述: IC CONTROLLER E1 5V LP 44-PLCC
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 500
控制器類型: E1 控制器
接口: 并行/串行
電源電壓: 4.5 V ~ 5.5 V
電流 - 電源: 10mA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 44-LCC(J 形引線)
供應(yīng)商設(shè)備封裝: 44-PLCC(16.59x16.59)
包裝: 帶卷 (TR)
DS2143/DS2143Q
26 of 44
TIR1/TIR2/TIR3/TIR4: TRANSMIT IDLE REGISTERS (Address=26 to 29 Hex)
(MSB)
(LSB)
CH8
CH7
CH6
CH5
CH4
CH3
CH2
CH1
TIR1 (26)
CH16
CH15
CH14
CH13
CH12
CH11
CH10
CH9
TIR2 (27)
CH24
CH23
CH22
CH21
CH20
CH19
CH18
CH17
TIR3 (28)
CH32
CH31
CH30
CH29
CH28
CH27
CH26
CH25
TIR4 (29)
SYMBOL
POSITION
NAME AND DESCRIPTION
CH32
TIR4.7
Transmit Idle Registers.
0 = do not insert the Idle Code into this channel.
CH1
TIR1.0
1 = insert the Idle Code into this channel.
TIDR: TRANSMIT IDLE DEFINITION REGISTER (Address=2A Hex)
(MSB)
(LSB)
TIDR7
TIDR6
TIDR5
TIDR4
TIDR3
TIDR2
TIDR1
TIDR0
SYMBOL
POSITION
NAME AND DESCRIPTION
TIDR7
TIDR.7
MSB of the Idle Code.
TIDR0
TIDR.0
LSB of the Idle Code.
Each of the bit positions in the Transmit Idle Registers (TIR1/TIR2/TIR3/TIR4) represents a timeslot in
the outgoing frame. When these bits are set to a 1, the corresponding channel will transmit the Idle Code
contained in the Transmit Idle Definition Register (TIDR). In the TIDR, the MSB is transmitted first.
9.0 CLOCK BLOCKING REGISTERS
The Receive Channel Blocking Registers (RCBR1/RCBR2/RCBR3/RCBR4) and the Transmit Channel
Blocking Registers (TCBR1/TCBR2/TCBR3/TCBR4) control the RCHBLK and TCHBLK pins
respectively. The RCHBLK and TCHCLK pins are user-programmable outputs that can be forced either
high or low during individual channels. These outputs can be used to block clocks to a USART or LAPD
controller in ISDN-PRI applications. When the appropriate bits are set to a 1, the RCHBLK and
TCHCLK pins will be held high during the entire corresponding channel time. See the timing in Section
13 for an example.
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