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參數(shù)資料
| 型號： | MB90F387SPMT |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQFP48 |
| 封裝： | PLASTIC, LQFP-48 |
| 文件頁數(shù)： | 14/64頁 |
| 文件大小： | 1777K |
| 代理商： | MB90F387SPMT |
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MB91260B Series
DS07-16507-3E
21
■ NOTE ON DEBUGGER
Step execution of RETI command
If an interrupt occurs frequently during step execution, the corresponding interrupt handling routine is executed
repeatedly after step execution.
This will prevent the main routine and low-interrupt-level programs from being executed.
Do not execute step of RETI instruction for escape.
Disable the corresponding interrupt and execute debugger when the corresponding interrupt handling routine
no longer needs debugging.
Operand break
Do not apply a data event break to access to the area containing the address of a system stack pointer.
Execution in an unused area of FLASH memory
Accidentally executing an instruction in an unused area of FLASH memory (with data placed at FFFFH) prevents
breaks from being accepted.
To prevent this, the code event address mask function of the debugger should be used to cause a break when
accessing an instruction in an unused area.
Power-on debugging
All of the following three conditions must be satisfied when the power supply is turned off by power-on debugging.
(1) The time for the user power to fall from 0.9 VCC to 0.5 VCC is 25
s or longer.
Note : In a dual-power system, VCC indicates the external I/O power supply voltage.
(2) CPU operating frequency must be higher than 1 MHz.
(3) During execution of user program
Interrupt handler for NMI request (tool)
Add the following program to the interrupt handler to prevent the device from malfunctioning in case the factor
flag to be set only in response to a break request from the ICE is set, for example, by an adverse effect of noise
to the DSU pin while the ICE is not connected. Enable to use the ICE while adding this program.
Additional location
Next interrupt handler
Additional program
Interrupt source
: NMI request (tool)
Interrupt number
: #13 (decimal) , 0DH (hexa decimal)
Offset
: 3C8H
Address TBR is default
: 000FFFC8H
STM
(R0, R1)
LDI
#B00H, R0;
: B00H is the address of DSU break factor register.
LDI
#0, R1
STB
R1, @R0
: Clear the break factor register.
LDM
(R0, R1)
RETI
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MB90F387SPMT-GSE1 | 功能描述:IC MCU FLASH 64K ROM 48LQFP RoHS:是 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:F²MC MB90385 產品培訓模塊:MCU Product Line Introduction XMEGA Introduction AVR XMEGA USB Connectivity 標準包裝:90 系列:AVR® XMEGA 核心處理器:AVR 芯體尺寸:8/16-位 速度:32MHz 連通性:I²C，IrDA，SPI，UART/USART 外圍設備:欠壓檢測/復位，DMA，POR，PWM，WDT 輸入/輸出數(shù):50 程序存儲器容量:192KB（96K x 16） 程序存儲器類型:閃存 EEPROM 大小:4K x 8 RAM 容量:16K x 8 電壓 - 電源 (Vcc/Vdd):1.6 V ~ 3.6 V 數(shù)據(jù)轉換器:A/D 16x12b; D/A 2x12b 振蕩器型:內部 工作溫度:-40°C ~ 85°C 封裝/外殼:64-TQFP 包裝:托盤 配用:ATSTK600-RC14-ND - STK600 SOCKET/ADAPTER 64TQFPATSTK600-TQFP64-ND - STK600 SOCKET/ADAPTER 64-TQFPATAVRONEKIT-ND - KIT AVR/AVR32 DEBUGGER/PROGRMMRATAVRISP2-ND - PROGRAMMER AVR IN SYSTEM |
| MB90F394HPMCR-GE1 | 制造商:FUJITSU 功能描述: |
| MB90F395HAPMCR-GS-SPE | 制造商:FUJITSU 功能描述:16-BIT, FLASH, 24 MHZ, MICROCONTROLLER, PQFP120 |
| MB90F428GAPMC-GSE1 | 制造商:FUJITSU 功能描述: |
| MB90F428GCPFR-GSE1 | 制造商:FUJITSU 功能描述: |
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