参数资料
型号: MCP79412-I/MS
元件分类: 时钟/数据恢复及定时提取
英文描述: REAL TIME CLOCK, PDSO8
封装: ROHS COMPLAINT, PLASTIC, MSOP-8
文件页数: 27/40页
文件大小: 584K
代理商: MCP79412-I/MS
2010-2011 Microchip Technology Inc.
DS22266C-page 33
MCP7941X
APPENDIX A:
REVISION HISTORY
Revision A (10/2010)
Original release of this document.
Revision B (03/2011)
Minor typographical edits;
Added Appendix B: Device Errata
Revision C (07/2011)
Updated Section 4.2.6, Crystal Specs; Revised Figure
4-4.
APPENDIX B:
DEVICE ERRATA
Devices with silicon revision prior to A4 (date code prior
to 11/10) have an errata where the AM/PM bit (Bit 5 in
register 02h) may be flipped if the oscillator is stopped.
This is coincident with the OSCON bit getting cleared.
This can occur due to the following conditions:
The oscillator is stopped on the application.
The oscillator is stopped by clearing the ST bit (Bit
7 in register 00h).
The external CMOS source is stopped in
EXTOSC mode.
The work-around is to determine when the OSCON bit
is cleared and check in software for AM/PM bit corrup-
tion.
Devices with silicon revision A4 or later (date code after
11/09) do not have this issue.
相关PDF资料
PDF描述
MCP79410-I/MNY REAL TIME CLOCK, PDSO8
MCP79410T-I/ST REAL TIME CLOCK, PDSO8
MCP79412-I/MNY REAL TIME CLOCK, PDSO8
MCP79411T-I/MS REAL TIME CLOCK, PDSO8
MCP79411-I/ST REAL TIME CLOCK, PDSO8
相关代理商/技术参数
参数描述
MCP79412T-I/MNY 功能描述:实时时钟 I2C GP RTCC 1Kb EE 64B SRAM EUI-64 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
MCP79412T-I/MS 功能描述:实时时钟 I2C GP RTCC 1Kb EE 64B SRAM EUI-64 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
MCP79412T-I/SN 功能描述:实时时钟 I2C GP RTCC 1Kb EE 64B SRAM EUI-64 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
MCP79412T-I/ST 功能描述:实时时钟 I2C GP RTCC 1Kb EE 64B SRAM EUI-64 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube
MCP79510 制造商:MAS 制造商全称:MAS 功能描述:3V SPI Real-Time Clock Calendar with Battery Switchover