参数资料
| 型号： | DS31412N |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 9/89页 |
| 文件大小： | 0K |
| 描述： | IC 12CH DS3/3 FRAMER 349-BGA |
| 标准包装： | 1 |
| 控制器类型： | DS3/E3 调帧器 |
| 接口： | LIU |
| 电源电压： | 3.135 V ~ 3.465 V |
| 电流 - 电源： | 960mA |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 349-BGA 裸露焊盘 |
| 供应商设备封装： | 349-HCBGA（27x27） |
| 包装： | 托盘 |
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DS3146/DS3146/DS31412 6-/8-/12-Channel DS3/E3 Framers
17 of 89
6.1 Status Register Description
There are two types of bits used to build the status and information registers. The real-time status register bit
indicates the state of the corresponding signal at the time it was read. The latched status register bit is set when
the corresponding signal changes state (low-to-high, high-to-low, or both, depending on the bit). The latched status
bit is cleared when written with logic 1 and is not set again until the corresponding signal changes state again.
The following is example host-processor pseudocode that checks to see if the BERT SYNC status has changed:
If ((BSRL and 01h) neq 0) then
// SYNCL bit is set
BSRL = 01h
// Clear SYNCL bit only
If ((BSR and 01h) neq 0) then
// BERT has changed to in sync
–––––
Else
// BERT has changed to out of sync
–––––
There are four suffixes used for status and information register names: SR for real-time status registers, SRL for
latched status registers, SRIE for interrupt-enable registers, and IR for information registers. Latched status bits
have the suffix “L” and interrupt-enable bits have the suffix “IE.” The bits in the SR, SRL, and SRIE registers are
arranged such that related real-time status, latched status, and interrupt-enable bits are located in the same bit
position in neighboring registers. For example, Table 6-B shows that the real-time status bit SYNC, the latched
status bit SYNCL, and the interrupt-enable bit SYNCIE are all located in bit 0 of their respective registers (BSR,
BSRL, and BSRIE).
When set, most latched status register bits can cause an interrupt on the
INT pin if the corresponding interrupt-
enable register bit is also set. Most latched status register bits have an associated real-time status register bit.
Information registers can contain a mix of real-time and latched status bits, none of which can cause an interrupt.
Table 6-B. Status Register Set Example
REGISTER
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
N/A
RA1
RA0
N/A
BBCO
BECO
SYNC
N/A
RA1L
RA0L
BEDL
BBCOL
BECOL
SYNCL
N/A
BEDIE
BBCOIE
BECOIE
SYNCIE
Figure 6-1. Status Register Interrupt Flow
WR
EVENT
LATCHED STATUS REGISTER
SET ON EVENT DETECT
CLEAR ON WRITE LOGIC 1
INT ENABLE
REGISTER
SR
SRL
INT
OTHER INT
SOURCE
REAL-TIME STATUS
LATCHED STATUS
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| DS31415 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:3-Input, 4-Output, Single DPLL Timing IC with Sub-ps Output Jitter and 1588 Clock |
| DS31415_1107 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:3-Input, 4-Output, Single DPLL Timing IC with Sub-ps Output Jitter and 1588 Clock |
| DS31415DK | 功能描述:网络开发工具 DS31415 Dev Kit RoHS:否 制造商:Rabbit Semiconductor 产品:Development Kits 类型:Ethernet to Wi-Fi Bridges 工具用于评估:RCM6600W 数据速率:20 Mbps, 40 Mbps 接口类型:802.11 b/g, Ethernet 工作电源电压:3.3 V |
| DS31415GN+ | 制造商:Microsemi Corporation 功能描述:SINGLE DPLL TIMING IC W/APLL & 1588 CLOCK - Rail/Tube 制造商:Zarlink Semiconductor Inc 功能描述:SINGLE DPLL TIMING IC W/APLL & 1588 CLOCK - Rail/Tube 制造商:Microsemi 功能描述:DPLL 256-Pin CSBGA |
| DS3141N | 功能描述:网络控制器与处理器 IC Single DS3/E3 Framer RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流（最大值）:595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray |
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