参数资料
型号: MCP4461T-103E/ML
厂商: Microchip Technology
文件页数: 38/100页
文件大小: 0K
描述: IC DGTL POT 257TAPS 10K 20QFN
标准包装: 3,300
接片: 257
电阻(欧姆): 10k
电路数: 4
温度系数: 标准值 150 ppm/°C
存储器类型: 非易失
接口: I²C(设备位址)
电源电压: 2.7 V ~ 5.5 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 20-VFQFN 裸露焊盘
供应商设备封装: 20-QFN 裸露焊盘(4x4)
包装: 带卷 (TR)
MCP444X/446X
DS22265A-page 42
2010 Microchip Technology Inc.
4.2
Memory Map
The device memory has 16 locations that are 9-bit wide
(16x9 bits). This memory space contains both volatile
and nonvolatile locations (see Table 4-1).
TABLE 4-1:
MEMORY MAP AND THE SUPPORTED COMMANDS
Address
Function
Memory
Type
Allowed Commands
Disallowed Commands (2)
Factory
Initialization
00h
Volatile Wiper 0
RAM
Read, Write,
Increment, Decrement
01h
Volatile Wiper 1
RAM
Read, Write,
Increment, Decrement
02h
Nonvolatile Wiper 0
EEPROM
Read, Write (1)
Increment, Decrement
8-bit
80h
7-bit
40h
03h
Nonvolatile Wiper 1
EEPROM
Read, Write (1)
Increment, Decrement
8-bit
80h
7-bit
40h
04h
Volatile
TCON0 Register
RAM
Read, Write
Increment, Decrement
05h
Status Register
RAM
Read
Write, Increment, Decrement
06h
Volatile Wiper 2
RAM
Read, Write,
Increment, Decrement
07h
Volatile Wiper 3
RAM
Read, Write,
Increment, Decrement
08h
Nonvolatile Wiper 2
EEPROM
Read, Write (1)
Increment, Decrement
8-bit
80h
7-bit
40h
09h
Nonvolatile Wiper 3
EEPROM
Read, Write (1)
Increment, Decrement
8-bit
80h
7-bit
40h
0Ah
Volatile
TCON1 Register
RAM
Read, Write
Increment, Decrement
0Bh
Data EEPROM
EEPROM
Read, Write (1)
Increment, Decrement
000h
0Ch
Data EEPROM
EEPROM
Read, Write (1)
Increment, Decrement
000h
0Dh
Data EEPROM
EEPROM
Read, Write (1)
Increment, Decrement
000h
0Eh
Data EEPROM
EEPROM
Read, Write (1)
Increment, Decrement
000h
0Fh
Data EEPROM
EEPROM
Read, Write (1)
Increment, Decrement
000h
Note 1:
When an EEPROM write is active, these are invalid commands and will generate an error condition. The
user should use a read of the Status register to determine when the write cycle has completed. To exit the
error condition, the user must take the HVC pin to the VIH level and then back to the active state (VIL or
VIHH).
2:
This command on this address will generate an error condition. To exit the error condition, the user must
take the HVC pin to the VIH level and then back to the active state (VIL or VIHH).
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