參數(shù)資料
型號: TMX320F28069PNA
廠商: Texas Instruments
文件頁數(shù): 125/174頁
文件大?。?/td> 0K
描述: IC MCU 32BIT 128KB FLASH 80LQFP
產品培訓模塊: ControlSUITE
Piccolo F2806x
TPS75005 Single IC Power for C2000 MCU
標準包裝: 1
系列: TMS320F2806x, Piccolo™, C2000™
核心處理器: C28x
芯體尺寸: 32-位
速度: 80MHz
連通性: CAN,I²C,McBSP,SCI,SPI,UART/USART
外圍設備: 欠壓檢測/復位,DMA,POR,PWM,WDT
輸入/輸出數(shù): 40
程序存儲器容量: 256KB(128K x 16)
程序存儲器類型: 閃存
RAM 容量: 50K x 16
電壓 - 電源 (Vcc/Vdd): 1.71 V ~ 1.995 V
數(shù)據(jù)轉換器: A/D 12x12b
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 80-LQFP
包裝: 托盤
/512
WDCLK
WDCR (WDPS[2:0])
WDCLK
WDCNTR(7:0)
WDKEY(7:0)
Good Key
1
0
1
WDCR (WDCHK[2:0])
Bad
WDCHK
Key
WDCR (WDDIS)
Clear Counter
SCSR (WDENINT)
Watchdog
Prescaler
Generate
Output Pulse
(512 OSCCLKs)
8-Bit
Watchdog
Counter
CLR
WDRST
WDINT
Watchdog
55 + AA
Key Detector
XRS
Core-reset
WDRST(A)
Internal
Pullup
SPRS698D – NOVEMBER 2010 – REVISED DECEMBER 2012
Normally, when the input clocks are present, the CPU-watchdog counter decrements to initiate a CPU-
watchdog reset or WDINT interrupt. However, when the external input clock fails, the CPU-watchdog
counter stops decrementing (that is, the watchdog counter does not change with the limp-mode clock).
NOTE
The CPU-watchdog is different from the NMI watchdog. The CPU-watchdog is the legacy
watchdog that is present in all 28x devices.
NOTE
Applications in which the correct CPU operating frequency is absolutely critical should
implement a mechanism by which the MCU will be held in reset, should the input clocks ever
fail. For example, an R-C circuit may be used to trigger the XRS pin of the MCU, should the
capacitor ever get fully charged. An I/O pin may be used to discharge the capacitor on a
periodic basis to prevent it from getting fully charged. Such a circuit would also help in
detecting failure of the flash memory.
A.
The WDRST signal is driven low for 512 OSCCLK cycles.
Figure 2-16. CPU-Watchdog Module
The WDINT signal enables the watchdog to be used as a wakeup from IDLE/STANDBY mode.
In STANDBY mode, all peripherals are turned off on the device. The only peripheral that remains
functional is the CPU-watchdog. This module will run off OSCCLK. The WDINT signal is fed to the LPM
block so that it can wake the device from STANDBY (if enabled). See Section 2.10, Low-power Modes
Block, for more details.
In IDLE mode, the WDINT signal can generate an interrupt to the CPU, via the PIE, to take the CPU out of
IDLE mode.
In HALT mode, the CPU-watchdog can be used to wake up the device through a device reset.
54
Device Overview
Copyright 2010–2012, Texas Instruments Incorporated
相關PDF資料
PDF描述
VI-25F-IX-F3 CONVERTER MOD DC/DC 72V 75W
VI-25D-IX-F3 CONVERTER MOD DC/DC 85V 75W
VI-J3X-IX-F3 CONVERTER MOD DC/DC 5.2V 75W
VI-J3W-IX-F3 CONVERTER MOD DC/DC 5.5V 75W
VI-J3V-IX-F4 CONVERTER MOD DC/DC 5.8V 75W
相關代理商/技術參數(shù)
參數(shù)描述
TMX320F28069PZA 功能描述:IC MCU 32BIT 128KB FLASH 100LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:TMS320F2806x, Piccolo™, C2000™ 產品培訓模塊:Asynchronous Stimulus 標準包裝:90 系列:dsPIC™ 30F 核心處理器:dsPIC 芯體尺寸:16-位 速度:20 MIPS 連通性:CAN,I²C,SPI,UART/USART 外圍設備:AC'97,欠壓檢測/復位,I²S,LVD,POR,PWM,WDT 輸入/輸出數(shù):52 程序存儲器容量:144KB(48K x 24) 程序存儲器類型:閃存 EEPROM 大小:4K x 8 RAM 容量:8K x 8 電壓 - 電源 (Vcc/Vdd):2.5 V ~ 5.5 V 數(shù)據(jù)轉換器:A/D 16x12b 振蕩器型:內部 工作溫度:-40°C ~ 125°C 封裝/外殼:64-TQFP 包裝:托盤 配用:XLT64PT4-ND - SOCKET TRAN ICE 64MQFP/TQFPAC164313-ND - MODULE SKT FOR PM3 64PF 其它名稱:DSPIC30F601220EPF
TMX320F28069PZPA 功能描述:32位微控制器 - MCU Octave rev 0 RoHS:否 制造商:Texas Instruments 核心:C28x 處理器系列:TMS320F28x 數(shù)據(jù)總線寬度:32 bit 最大時鐘頻率:90 MHz 程序存儲器大小:64 KB 數(shù)據(jù) RAM 大小:26 KB 片上 ADC:Yes 工作電源電壓:2.97 V to 3.63 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:LQFP-80 安裝風格:SMD/SMT
TMX320F28069UPFPA 功能描述:IC MCU 32BIT 128KB FLASH 80HTQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:TMS320F2806x, Piccolo™, C2000™ 標準包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA,UART/USART 外圍設備:欠壓檢測/復位,LED,POR,PWM,WDT 輸入/輸出數(shù):16 程序存儲器容量:4KB(4K x 8) 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 3.6 V 數(shù)據(jù)轉換器:- 振蕩器型:內部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC(0.295",7.50mm 寬) 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND
TMX320F28069UPZPA 功能描述:IC MCU 32BIT 128KB FLSH 100HTQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:TMS320F2806x, Piccolo™, C2000™ 標準包裝:38 系列:Encore!® XP® 核心處理器:eZ8 芯體尺寸:8-位 速度:5MHz 連通性:IrDA,UART/USART 外圍設備:欠壓檢測/復位,LED,POR,PWM,WDT 輸入/輸出數(shù):16 程序存儲器容量:4KB(4K x 8) 程序存儲器類型:閃存 EEPROM 大小:- RAM 容量:1K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 3.6 V 數(shù)據(jù)轉換器:- 振蕩器型:內部 工作溫度:-40°C ~ 105°C 封裝/外殼:20-SOIC(0.295",7.50mm 寬) 包裝:管件 其它名稱:269-4116Z8F0413SH005EG-ND
TMX320F2806GGMA 功能描述:IC 32-BIT DSP W/FLASH 100-BGA RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:TMS320F280x, C2000™ 產品培訓模塊:XLP Deep Sleep Mode 8-bit PIC® Microcontroller Portfolio 標準包裝:22 系列:PIC® XLP™ 18F 核心處理器:PIC 芯體尺寸:8-位 速度:48MHz 連通性:I²C,SPI,UART/USART,USB 外圍設備:欠壓檢測/復位,POR,PWM,WDT 輸入/輸出數(shù):14 程序存儲器容量:8KB(4K x 16) 程序存儲器類型:閃存 EEPROM 大小:256 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):1.8 V ~ 5.5 V 數(shù)據(jù)轉換器:A/D 11x10b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:20-DIP(0.300",7.62mm) 包裝:管件 產品目錄頁面:642 (CN2011-ZH PDF) 配用:DV164126-ND - KIT DEVELOPMENT USB W/PICKIT 2DM164127-ND - KIT DEVELOPMENT USB 18F14/13K50AC164112-ND - VOLTAGE LIMITER MPLAB ICD2 VPP