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| 型號(hào)： | 73M1866B-IM/F |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 58/88頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | MICRODAA SGL PCM HIGHWAY 42-QFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 260 |
| 系列： | MicroDAA™ |
| 功能： | 數(shù)據(jù)存取裝置（DAA） |
| 接口： | PCM，串行，SPI |
| 電路數(shù)： | 1 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 42-VFQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 42-QFN（8x8） |
| 包裝： | 管件 |
| 包括： | PCM 通路 |
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DS_1x66B_001
73M1866B/73M1966B Data Sheet
Rev. 1.6
61
Upon power up, the following sequence should be used to ensure barrier synchronization:
1.
The 73M1906B starts in Barrier Powered Mode and transmits a preamble to aid the PLL locking of
the Line-Side Device.
2.
When PLL Lock detect is achieved the Line-Side Device transmits status data to the Host-Side
Device.
3.
When the Line-Side status Data is detected by the Host-Side Device, the barrier is considered to be
in synchronization by the Host-Side Device.
4.
If the auto-poll mode is enabled, the Device ID is transmitted, which is followed by transmit data.
5.
Upon detection of the Device ID, the Line-Side Device considers the barrier to be in synchronization
in host-to-line side direction.
6.
The Line-Side Device starts sending Receive Data.
7.
If the Auto-Poll bit is enabled, the Host-Side Device will have polled the Device ID of the Line-Side
Device. If the barrier is synchronized, then Register 1Dh, bits 7-4, will be 1101. If not synchronized,
then 0000.
9.4
Auto-Poll
Once the Barrier Interface acquires synchronization, the Barrier Interface state machine automatically
sends a polling command to Line-Side Device requesting it to return its Device ID. This is provided in
REV. Upon power up or loss of barrier synchronization, the contents of REV is cleared. After the
auto-poll sequence, the host should read REV. A non-zero value indicates that synchronization is
established.
The auto-poll mechanism is disabled by resetting the ENAPOL control bit.
9.5
Barrier Control Functions
Table 37: Barrier Control Functions
Function
Mnemonic
Register
Location
Type
Description
DISNTR
0x15[6]
WO
Disable No-Transition Timer
If enabled, the No-Transition Timer is a safety feature. If the barrier
fails, i.e. no transition is detected for 400
μs, the Line-Side Device
resets itself and goes on hook to prevent line holding in a failure
condition.
0 = Enables No-Transition Timer of 400
μs. (Default)
1 = Disables No-Transition Timer.
ENAPOL
0x05[3]
W
Enable Automatic Polling
0 = Disables automatic polling.
1 = Initiates automatic polling of the 73M1x66B Device ID upon the
establishment of the barrier SYN. (Default)
If SYN is lost, the Device ID will be reset to 0000.
ENLPW
0x02[2]
W
Enable Line Power
0 = Barrier Powered Mode is selected. (Default)
1 = Line Powered Mode is selected.
Bit
ENLVD must have the value of 0 before switching from Line
Powered Mode to Barrier Powered Mode. Otherwise level
detection is disabled and the transition to Barrier Powered Mode
will not occur.
ENSYNL
0x05[1]
W
Enable Synch Loss Detection Interrupt
0 = Disables Synch Loss Detection Interrupt.
1 = Enables Synch Loss Detection Interrupt. (Default) When the
73M1x66B detects a loss of synchronization in Host-Side Barrier
Interface, SYNL 0x03[1] will be set and reset when read.
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| 73M1866B-IMR/F | 功能描述:電信線路管理 IC MicroDAA w/PCM Highway RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| 73M1866B-KEYCHN | 功能描述:網(wǎng)絡(luò)開(kāi)發(fā)工具 73M1866B Keychain Brd RoHS:否 制造商:Rabbit Semiconductor 產(chǎn)品:Development Kits 類型:Ethernet to Wi-Fi Bridges 工具用于評(píng)估:RCM6600W 數(shù)據(jù)速率:20 Mbps, 40 Mbps 接口類型:802.11 b/g, Ethernet 工作電源電壓:3.3 V |
| 73M1902-IM/F | 功能描述:電信線路管理 IC MicroDAA Chip Set Host Side RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| 73M1902-IMR/F | 功能描述:電信線路管理 IC MicroDAA Chip Set Host Side RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| 73M1902-IVT/F | 功能描述:電信線路管理 IC MicroDAA Chip Set Host Side RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
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