參數資料
型號： M30100M3-XXXFP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP32
封裝： 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁數： 86/166頁
文件大?。?/td> 2060K
代理商： M30100M3-XXXFP
Under
development
Tentative Specifications REV.E1
Specifications in this manual are tentative and subject to change.
Mitsubishi microcomputers
M30100/M30102 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
23
Symbol
Address
When reset
CPSRF
008F16
0XXXXXXX2
Clock prescaler reset flag
Bit name
Function
Bit symbol
b7
b6
b5
b4
b3
b2
b1
b0
Clock prescaler reset flag
0 : No effect
1 : Prescaler is reset
(When read, the value is “0”)
CPSR
W
R
Nothing is assigned.
In an attempt to write to these bits, write “0”. The value, if read, turns out to be
indeterminate.
Clock Generating Circuit
b7
b6
b5
b4
b3
b2
b1
b0
RW
CM20
CM21
CM22
CM23
0
00
0
Oscillation stop detection register (Note 5)
Symbol
Address
When reset
CM2
000C16
0416
Bit name
Function
Bit symbol
Main clock switch bit
Oscillation stop detection
interrupt enable bit
0: The function is invalid.
1: The function is valid.
0: Select XIN clock.
1: Select ring oscillator.
0: Disabled
1: Enabled
0: XIN oscillating normally
1: XIN stopping abnormally
Oscillation stop
detection bit
Clock monitor bit
Reserved bit
Always set to "0"
Note 1: Set to “0” before stopping the oscillation of the main clock (XIN-XOUT).
(stop mode, low power dissipation mode, ring oscillation mode)
An oscillation stop is detected if the oscillation of the main clock (XIN-XOUT) is
stopped when the following two conditions are satisfied: (1) the oscillation stop
detection function is valid and (2) CM21=1.
Note 2: Valid when CM20=1.
Note 3: CM22 bit switches to “1“ automatically if an oscillation stop is detected when
both CM20 bit and CM 21 bit are “1”. CM22 bit cannot be cleared when CM23=1.
Note 4: This bit is valid when CM20 bit is “1”. Use this bit for the purpose of confirming
XIN operation for oscillation stop detection interrupt execution.
Note 5: In case of writing to this register, set bit 0 of the protect register(000A16) to "1".
(Note 3)
(Note 2)
(Note 1)
(Note 4)
Figure 1.8.5. Oscillation stop detection register and clock prescaler reset flag
1/32
fC32
XCIN
Clock prescaler reset flag (bit 7
at address 008F16) set to “1”
Reset
Clock prescaler
Figure 1.8.6. fc32 block diagram
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