参数资料
型号: M30600E8GP
元件分类: 微控制器/微处理器
英文描述: 16-BIT, OTPROM, 10 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, 0.50 MM PITCH, PLASTIC, LQFP-100
文件页数: 69/139页
文件大小: 1782K
代理商: M30600E8GP
Mitsubishi microcomputers
M16C / 60 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
35
Table 1.14. Port status during wait mode
Pin
Memory expansion mode
Single-chip mode
Microprocessor mode
_______
Address bus, data bus,CS0 to CS3
Retains status before wait mode
_____ ______ ________ ________ _________
RD,WR,BHE,WRL,WRH
“H”
__________
HLDA,BCLK
“H”
ALE
“H”
Port
Retains status before wait mode
CLKOUT
When fC selected
Valid only in single-chip mode
Does not stop
When f8, f32 selected Valid only in single-chip mode
Does not stop when the WAIT
peripheral function clock stop
bit is “0”.
When the WAIT peripheral
function clock stop bit is “1”,
the status immediately prior
to entering wait mode is main
tained.
Wait Mode
When a WAIT instruction is executed, the internal clock
stops and the microcomputer enters the wait
mode. In this mode, oscillation continues but the internal clock
and watchdog timer stop. Writing “1” to
the WAIT peripheral function clock stop bit and executing a WAIT instruction stops the clock being supplied
to the internal peripheral functions, allowing power dissipation to be reduced. Table 1.14 shows the status
of the ports in wait mode.
Wait mode is cancelled by a hardware reset or interrupt. If an interrupt is used to cancel wait mode, the
microcomputer restarts using as internal clock
the clock that had been selected when the WAIT instruc-
tion was executed.
Wait Mode
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