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| 型號(hào)： | MC68331CFC25 |
| 廠商： | MOTOROLA INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, MICROCONTROLLER, PQFP132 |
| 封裝： | PLASTIC, QFP-132 |
| 文件頁(yè)數(shù)： | 26/254頁(yè) |
| 文件大?。?/td> | 1366K |
| 代理商： | MC68331CFC25 |
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MC68331
CENTRAL PROCESSING UNIT
MOTOROLA
USER’S MANUAL
5-21
5
5.10.2.4 BDM Commands
Commands consist of one 16-bit operation word and can include one or more 16-bit
extension words. Each incoming word is read as it is assembled by the serial interface.
The microcode routine corresponding to a command is executed as soon as the com-
mand is complete. Result operands are loaded into the output shift register to be shift-
ed out as the next command is read. This process is repeated for each command until
the CPU returns to normal operating mode. Table 5-5 is a summary of background
mode commands.
5.10.2.5 Background Mode Registers
BDM processing uses three special purpose registers to keep track of program context
during development. A description of each follows.
Table 5-5 Background Mode Command Summary
Command
Mnemonic
Description
Read D/A Register
RDREG/RAREG
Read the selected address or data register and
return the results via the serial interface.
Write D/A Register
WDREG/WAREG The data operand is written to the specified ad-
dress or data register.
Read System Register
RSREG
The specified system control register is read. All
registers that can be read in supervisor mode can
be read in background mode.
Write System Register
WSREG
The operand data is written into the specified sys-
tem control register.
Read Memory Location
READ
Read the sized data at the memory location spec-
ified by the long-word address. The source func-
tion code register (SFC) determines the address
space accessed.
Write Memory Location
WRITE
Write the operand data to the memory location
specified by the long-word address. The destina-
tion function code (DFC) register determines the
address space accessed.
Dump Memory Block
DUMP
Used in conjunction with the READ command to
dump large blocks of memory. An initial READ is
executed to set up the starting address of the
block and retrieve the first result. Subsequent op-
erands are retrieved with the DUMP command.
Fill Memory Block
FILL
Used in conjunction with the WRITE command to
fill large blocks of memory. An initial WRITE is ex-
ecuted to set up the starting address of the block
and supply the first operand. Subsequent oper-
ands are written with the FILL command.
Resume Execution
GO
The pipe is flushed and re-filled before resuming
instruction execution at the current PC.
Patch User Code
CALL
Current program counter is stacked at the loca-
tion of the current stack pointer. Instruction exe-
cution begins at user patch code.
Reset Peripherals
RST
Asserts RESET for 512 clock cycles. The CPU is
not reset by this command. Synonymous with the
CPU RESET instruction.
No Operation
NOP
NOP performs no operation and may be used as
a null command.
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PDF描述 |
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| MC68331MFC16 | 32-BIT, 16.78 MHz, MICROCONTROLLER, PQFP132 |
| MC68331CFC16 | 32-BIT, 16.78 MHz, MICROCONTROLLER, PQFP132 |
| MC68332GCPV16 | 32-BIT, 16.78 MHz, MICROCONTROLLER, PQFP144 |
| MC68332GVPV25 | 32-BIT, 25 MHz, MICROCONTROLLER, PQFP144 |
| MC68332GVFC25 | 32-BIT, 25 MHz, MICROCONTROLLER, PQFP132 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC68331CFC25B1 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Freescale Semiconductor 功能描述: |
| MC68331CFV16 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:User’s Manual |
| MC68331CFV20 | 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:User’s Manual |
| MC68331CPV16 | 功能描述:IC MCU 32BIT 16MHZ 144-LQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:M683xx 其它有關(guān)文件:STM32F101T8 View All Specifications 特色產(chǎn)品:STM32 32-bit Cortex MCUs 標(biāo)準(zhǔn)包裝:490 系列:STM32 F1 核心處理器:ARM? Cortex?-M3 芯體尺寸:32-位 速度:36MHz 連通性:I²C，IrDA，LIN，SPI，UART/USART 外圍設(shè)備:DMA，PDR，POR，PVD，PWM，溫度傳感器，WDT 輸入/輸出數(shù):26 程序存儲(chǔ)器容量:64KB（64K x 8） 程序存儲(chǔ)器類型:閃存 EEPROM 大小:- RAM 容量:10K x 8 電壓 - 電源 (Vcc/Vdd):2 V ~ 3.6 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 10x12b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 85°C 封裝/外殼:36-VFQFN，36-VFQFPN 包裝:托盤 配用:497-10030-ND - STARTER KIT FOR STM32497-8853-ND - BOARD DEMO STM32 UNIV USB-UUSCIKSDKSTM32-PL-ND - KIT IAR KICKSTART STM32 CORTEXM3497-8512-ND - KIT STARTER FOR STM32F10XE MCU497-8505-ND - KIT STARTER FOR STM32F10XE MCU497-8304-ND - KIT STM32 MOTOR DRIVER BLDC497-6438-ND - BOARD EVALUTION FOR STM32 512K497-6289-ND - KIT PERFORMANCE STICK FOR STM32MCBSTM32UME-ND - BOARD EVAL MCBSTM32 + ULINK-MEMCBSTM32U-ND - BOARD EVAL MCBSTM32 + ULINK2更多... 其它名稱:497-9032STM32F101T8U6-ND |
| MC68331CPV16B1 | 制造商:Rochester Electronics LLC 功能描述:32BIT MCU,GPT,SIM,QSM - Bulk |
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