參數(shù)資料
型號: MC145572APB
廠商: Freescale Semiconductor
文件頁數(shù): 39/52頁
文件大?。?/td> 0K
描述: IC ISDN INTERFACE TXCVER 44-LQFP
標(biāo)準(zhǔn)包裝: 160
類型: 收發(fā)器
規(guī)程: RS232
電源電壓: 5V
安裝類型: 表面貼裝
封裝/外殼: 44-LQFP
供應(yīng)商設(shè)備封裝: 44-LQFP(10x10)
包裝: 托盤
45
MC145572EVK
MM AA[ dd]
R/W memory adr AA
AA = 0 FF, dd = 0 FF
CLR
Clear all febe/nebe registers
LON
LT M4 handler on
LOF
LT M4 handler off
NON
NT1 enabled
NOF
NT1 disabled
U: U chips, L: LT U chip, N: NT U chip, S or T: T chip, A: all
<
>:required option
NTLT>
3.2.11
LOF — Disable LT M4 Handler
3.2.11.1
FORMAT.
LOF<ENTER>
This command turns off automatic control of the M4 ACT bit at the LT. The M4 messages must be handled
manually via the byte register commands.
3.2.12
LON — Enable LT M4 Handler
3.2.12.1
FORMAT.
LON<ENTER>
This command enables automatic handling of the LT side M4 channel by the MC68HC705C8 MCU. This
is the default operating mode of the EVK board after reset.
3.2.13
LPU — U-Interface Transceiver Analog Loop-Backs
3.2.13.1
FORMAT.
LPU <n> <ENTER>
device = N (selects NT side U-Chip)
= L (selects LT side U-Chip)
NOTE
The U-Interface connector should have a 135
W terminator connected.
This command puts a U-Interface Transceiver into special loop-back and test modes for individual testing.
When an LPU command is invoked, the register set of the corresponding U-Interface Transceiver is always
displayed before the command line prompt is written to the terminal. It is advisable to reset the
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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