参数资料
型号: MC68334GCFC20
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 20 MHz, MICROCONTROLLER, PQFP132
封装: PLASTIC, QFP-132
文件页数: 46/76页
文件大小: 444K
代理商: MC68334GCFC20
MOTOROLA
MC68334
50
MC68334TS/D REV. 1
Table 24 Background Debugging Command Summary
Command
Mnemonic
Description
Read D/A Register
RDREG/RAREG
Read the selected address or data register and return
the results through the serial interface.
Write D/A Register
WDREG/WAREG
The data operand is written to the specified address
or data register.
Read System Register
RSREG
The specified system control register is read. All reg-
isters 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 system
control register.
Read Memory Location
READ
Read the sized data at the memory location specified
by the long-word address. The source function code
register (SFC) determines the address space access-
ed.
Write Memory Location
WRITE
Write the operand data to the memory location spec-
ified by the long-word address. The destination func-
tion 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 ex-
ecuted to set up the starting address of the block and
retrieve the first result. Subsequent operands are re-
trieved with the DUMP command.
Fill Memory Block
FILL
Used in conjunction with the WRITE command to fill
large blocks of memory. Initially, a WRITE is execut-
ed to set up the starting address of the block and sup-
ply the first operand. The FILL command writes
subsequent operands.
Resume Execution
GO
The pipe is flushed and refilled before resuming in-
struction execution at the current PC.
Patch User Code
CALL
Current program counter is stacked at the location of
the current stack pointer. Instruction execution 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 can be used as a null
command.
相关PDF资料
PDF描述
MC68334MFC20 32-BIT, 20 MHz, MICROCONTROLLER, PQFP132
MC68334VFC20 32-BIT, 20 MHz, MICROCONTROLLER, PQFP132
MC68334AVFC20 32-BIT, 20 MHz, MICROCONTROLLER, PQFP132
MC68334VFC16 32-BIT, 16 MHz, MICROCONTROLLER, PQFP132
MC68336AMFT20 32-BIT, 20.97 MHz, MICROCONTROLLER, PQFP16
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