参数资料
型号: MC68334GEH16
厂商: Freescale Semiconductor
文件页数: 46/76页
文件大小: 0K
描述: IC MCU 32BIT 16MHZ 132-PQFP
标准包装: 36
系列: M683xx
核心处理器: CPU32
芯体尺寸: 32-位
速度: 16MHz
连通性: EBI/EMI,UART/USART
输入/输出数: 47
程序存储器类型: ROMless
RAM 容量: 1K x 8
电压 - 电源 (Vcc/Vdd): 3 V ~ 5.5 V
数据转换器: A/D 8x8/10b
振荡器型: 外部
工作温度: -40°C ~ 85°C
封装/外壳: 132-BQFP 缓冲式
包装: 托盘
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.
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