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參數(shù)資料
| 型號： | MAXQ7670AATL/V+ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | RISC MICROCONTROLLER, PQCC40 |
| 封裝： | 5 X 5 MM, ROHS COMPLIANT, TQFN-40 |
| 文件頁數(shù)： | 20/38頁 |
| 文件大?。?/td> | 474K |
| 代理商： | MAXQ7670AATL/V+ |
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MAXQ7670A
Microcontroller with 12-Bit ADC,
PGA, 64KB Flash, and CAN Interface
______________________________________________________________________________________
27
the application code to store data when context switch-
ing (e.g., during a call or an interrupt). Storing and
retrieving data is executed through the PUSH, POP,
and POPI instructions.
The incorporation of flash memory allows device repro-
gramming, eliminating the expense of discarding one-
time programmable devices during development and
field upgrades (see Figure 13 for the flash memory sec-
tor maps).
A 16-word key protects the flash memory from access
by unauthorized individuals. Without supplying the 16-
word key, the password lock (PWL) bit in the SC regis-
ter remains set, and the utility ROM is inaccessible.
Supplying the 16-word key makes the utility ROM trans-
parent. The password-unlock command is issued
through the TAP interface. The 16-word password is
compared to the password in the program space to
determine its validity.
Enabling a pseudo-Von Neumann memory map places
the utility ROM, code, and data memory into a single
contiguous memory map. Use this mapping scheme for
applications that require dynamic program modification
or unique memory configurations.
EXECUTING
FROM
PROGRAM
SPACE
DATA SPACE
(WORD MODE)
1024 x 16
DATA RAM
4K x 16
UTILITY ROM
32K x 16
PROGRAM
FLASH
FFFFh
A3FFh
7FFFh
0000h
A400h
A000h
8FFFh
8000h
8FFFh
8000h
03FFh
0000h
FFFFh
7FFFh
0400h
9000h
DATA SPACE
(BYTE MODE)
8K x 8
UTILITY ROM
2048 x 8
DATA RAM
FFFFh
7FFFh
0400h
03FFh
0000h
9000h
8FFFh
8000h
1024 x 16
DATA RAM
4K x 16
UTILITY ROM
Figure 12. MAXQ7670A Memory Map
32K x 16
PROGRAM
FLASH
7FFFh
0000h
1 PAGE = 256 WORDS
PAGE 127
PAGE 126
PAGE 125
PAGE 2
PAGE 1
PAGE 0
Figure 13. Flash Memory Sector Maps
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAXQ7670ATL/V+ | 功能描述:16位微控制器 - MCU MCU w/12-Bit ADC PGA 64KB Flash & CAN Int RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT |
| MAXQ7670ATL/V+T | 功能描述:16位微控制器 - MCU MCU w/12-Bit ADC PGA 64KB Flash & CAN Int RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT |
| MAXQ7670ATL+ | 功能描述:16位微控制器 - MCU MCU w/12-Bit ADC PGA 64KB Flash & CAN Int RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT |
| MAXQ7670ATL+T | 功能描述:16位微控制器 - MCU MCU w/12-Bit ADC PGA 64KB Flash & CAN Int RoHS:否 制造商:Texas Instruments 核心:RISC 處理器系列:MSP430FR572x 數(shù)據(jù)總線寬度:16 bit 最大時鐘頻率:24 MHz 程序存儲器大小:8 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:VQFN-40 安裝風格:SMD/SMT |
| MAXQ7670EVKIT+ | 功能描述:開發(fā)板和工具包 - 其他處理器 MAXQ7670 Eval Kit RoHS:否 制造商:Freescale Semiconductor 產(chǎn)品:Development Systems 工具用于評估:P3041 核心:e500mc 接口類型:I2C, SPI, USB 工作電源電壓: |
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