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参数资料
| 型号： | MCP79511T-I/MS |
| 厂商： | Microchip Technology |
| 文件页数： | 15/17页 |
| 文件大小： | 0K |
| 描述： | IC RTCC SPI 64B SRAM 10-MSOP |
| 标准包装： | 2,500 |
| 类型： | 时钟/日历 |
| 特点： | 警报器，EEPROM，闰年，方波输出，SRAM，唯一 ID |
| 存储容量： | 64B |
| 时间格式： | HH:MM:SS:hh（12/24 小时） |
| 数据格式： | YY-MM-DD-dd |
| 接口： | SPI |
| 电源电压： | 1.8 V ~ 3.6 V |
| 电压 - 电源，电池： | 1.3 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-MSOP |
| 包装： | 带卷 (TR) |
2012 Microchip Technology Inc.
Preliminary
DS22300A-page 7
MCP7952X/MCP7951X
2.8
RTCC Memory Map
The RTCC registers are contained in addresses 0x00h-
0x1fh. 64 bytes of user-accessable SRAM are located
in the address range 0x20-0x5f. The SRAM memory is
a separate block from the RTCC control and Configura-
tion registers. All SRAM locations are battery-backed-
up during a VCC power fail. Unused locations are not
accessible.
Addresses 0x00h-0x07h are the RTCC Time and
Date registers. These are read/write registers.
Care must be taken when writing to these regis-
ters with the oscillator running.
Incorrect data can appear in the Time and Date
registers if a write is attempted during the time
frame where these internal registers are being
incremented. The user can minimize the
likelihood of data corruption by ensuring that any
writes to the Time and Date registers occur before
the contents of the second register reach a value
of 0x59H.
Addresses 0x08h-0x0Bh are the device Configu-
ration and Calibration registers.
Addresses 0x0ch-0x11h are the Alarm 0 registers.
These are used to set up the Alarm 0, the inter-
rupt pin and the Alarm 0 compare.
Addresses 0x12h-0x17h are the Alarm 1 regis-
ters. These are used to set up the Alarm 1, the
interrupt pin and the Alarm 1 compare, Alarm 1
offers a enhanced resolution of tenth and
hundredths of seconds.
Addresses 0x18h-0x1Fh are used for the power-
down and power-up time-stamp feature. The
detailed memory map is shown in Table 4-1. No
error checking is provided when loading Time and
Date registers.
FIGURE 2-2:
MEMORY MAP
0x00
0x07
Time and Date
Configuration and Calibration
Alarm 0
Alarm 1
Time-Stamp
SRAM (64 Bytes)
0x09
0x0B
0x0C
0x11
0x12
0x17
0x18
0x1F
0x20
0x5F
0x00
EEPROM
Memory
0x00
0x07
0x08
0x0F
RTCC Register/SRAM
EEPROM
Unique ID Location 2
Unique ID Location 1
EUI-48/64
Unique ID
0xFF
Note: 1K EEPROM Max address is 0x7F.
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| MCP79512 | 制造商:MAS 制造商全称:MAS 功能描述:3V SPI Real-Time Clock Calendar with Battery Switchover |
| MCP79512-I/MS | 功能描述:实时时钟 SPI 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 |
| MCP79512T-I/MN | 功能描述:实时时钟 SPI 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 |
| MCP79512T-I/MS | 功能描述:实时时钟 SPI 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 |
| MCP7951X | 制造商:MAS 制造商全称:MAS 功能描述:3V SPI Real-Time Clock Calendar with Battery Switchover |
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