参数资料
型号: DS3112+
厂商: Maxim Integrated Products
文件页数: 67/133页
文件大小: 0K
描述: IC MUX TEMPE T3/E3 256-BGA
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 40
控制器类型: 调帧器,多路复用器
接口: 并行/串行
电源电压: 3.135 V ~ 3.465 V
电流 - 电源: 150mA
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 256-LBGA
供应商设备封装: 256-PBGA(27x27)
包装: 管件
产品目录页面: 1419 (CN2011-ZH PDF)
DS3112
39 of 133
Figure 4-3. Real-Time Status Bit
Internal Signal
Status Bit
Interrupt
Read
4.3.2 MSR
The Master Status Register (MSR) is a special status register that can be used to help the host quickly
locate changes in device status. There is a status bit in the MSR for each of the major blocks within the
DS3112. When an alarm or event occurs in one of these blocks, the device can be configured to set a bit
in the MSR. Status bits in the MSR can also cause a hardware interrupt to occur. In either polled or
interrupt driven software routines, the host can first read the MSR to locate which status registers need to
be serviced.
Register Name:
MSR
Register Description:
Master Status Register
Register Address:
08h
Bit #
7
6
5
4
3
2
1
0
Name
T2E2SR2
T2E2SR1
FEAC
HDLC
BERT
COVF
OST
Default
Bit #
15
14
13
12
11
10
9
8
Name
G.747
T3E3MS
LORC
LOTC
T3E3SR
T1LB
Default
Note: Bits that are underlined are read-only; all other bits are read-write.
Bit 0: One-Second Timer Boundary Occurrence (OST). This latched read-only event-status bit will be set to a
one on each one-second boundary as timed by the DS3112. The device chooses an arbitrary one-second boundary
that is timed from the HRCLK signal. This bit will be cleared when read and will not be set again until another
one-second boundary has occurred. The setting of this status bit can cause a hardware interrupt to occur if the OST
bit in the Interrupt Mask for MSR (IMSR) register is set to a one. The interrupt will be allowed to clear when this
bit is read.
Bit 1: Counter Overflow Event (COVF). This latched read-only event-status bit will be set to a one if any of the
error counters saturates (the error counters saturate when full). This bit will be cleared when read even if one or
more of the error counters is still saturated. The setting of this status bit can cause a hardware interrupt to occur if
the COVF bit in the Interrupt Mask for MSR (IMSR) register is set to a one. The interrupt will be allowed to clear
when this bit is read.
Bit 2: Change in BERT Status (BERT). This read-only real-time status bit will be set to a one if there is a major
change of status in the BERT receiver and the associated interrupt enable bit is set in the BERTCO register. A
major change of status is defined as either a change in the receive synchronization (i.e., the BERT has gone into or
out of receive synchronization), a bit error has been detected, or an overflow has occurred in either the Bit Counter
or the Error Counter. The host must read the status bits of the BERT in the BERT Status Register (BERTEC0) to
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DS3112+ 功能描述:网络控制器与处理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX 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
DS3112+W 功能描述:网络控制器与处理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX 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
DS3112D1 功能描述:网络控制器与处理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX 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
DS3112D1+ 功能描述:网络控制器与处理器 IC TEMPE T3/E3 MUX FRMR & M13/E13/G.747 MUX 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
DS3112DK 功能描述:网络开发工具 DS3112 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