參數(shù)資料
型號(hào)： M37510E6FP
元件分類(lèi)： 微控制器/微處理器
英文描述： 8-BIT, OTPROM, 4 MHz, MICROCONTROLLER, PQFP176
封裝： PLASTIC, QFP-176
文件頁(yè)數(shù)： 27/43頁(yè)
文件大?。?/td> 614K
代理商： M37510E6FP
33
7510 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
Fig. 32 State transitions of system clock
Low power consumption mode (
φ =16kHz)
CM7 = 1 (32kHz selected)
CM6 = 0 (High-speed)
CM5 = 1 (XIN stopped)
CM4 = 1 (32kHz oscillating)
CM6
“1”
“0”
CM4
“0”
“1”
CM6
“1”
“0”
Switch the mode by the allows shown between the mode blocks. (Do not switch between the mode directly without an allow.)
The main clock must be oscillated (CM5 : 1
→0) before the switching from the low-speed mode to middle/high-speed mode (CM 7 : 1→0).
The all modes can be switched to the stop mode or the wait mode and return to the source mode when the stop mode or the wait mode
is ended.
Timer and LCD operate in the wait mode.
When the stop mode is ended, a delay of approximately 2ms is automatically generated by timer 1 and timer 2 in middle/high-speed mode.
When the stop mode is ended, a delay of approximately 0.25s is automatically generated by timer 1 and timer 2 in low-speed mode.
The example assumes that 8.0MHz is being applied to the X IN pin and 32kHz to the XCIN pin
φ indicates the internal clock.
b7
CPU mode register
(CPUM : address 003B16)
CM4 : Port XC selection bit
0 : I/O port
1 : XCIN, XCOUT
CM5 : Main clock (XIN-XOUT) stop bit
0 : Operating
1 : Stopped
CM6 : Main clock division ratio selection bit
0 : XIN/2 (high-speed mode)
1 : XIN/8 (middle-speed mode)
CM7 : Internal system clock selection bit
0 : XIN-XOUT selected
(middle/high-speed mode)
1 : XCIN-XCOUT selected
(low-speed mode)
b0
Notes 1 :
2 :
3 :
4 :
5 :
6 :
Reset
CM4
“1”
“0”
CM
4
“1”
“0”
CM6
“1”
“0”
CM
4
“1”
“0”
CM
7
“1”
“0”
CM6
“1”
“0”
CM
7
“1”
“0”
CM6
“1”
“0”
CM5
“0”
“1”
CM6
“1”
“0”
CM5
“1”
“0”
CM
5
“1”
“0”
CM6
“1”
“0”
CM
5
“1”
“0”
High-speed mode (
φ = 4.0MHz)
CM7 = 0 (8.0MHz selected)
CM6 = 0 (High-speed)
CM5 = 0 (XIN oscillating)
CM4 = 1 (32kHz oscillating)
CM6
“1”
“0”
Middle-speed mode (
φ =1MHz)
CM7 = 0 (8.0MHz selected)
CM6 = 1 (Middle-speed)
CM5 = 0 (XIN oscillating)
CM4 = 1 (32kHz oscillating)
Middle-speed mode (
φ =1MHz)
CM7 = 0 (8.0MHz selected)
CM6 = 1 (Middle-speed)
CM5 = 0 (XIN oscillating)
CM4 = 0 (32kHz stopped)
High-speed mode (
φ = 4.0MHz)
CM7 = 0 (8.0MHz selected)
CM6 = 0 (High-speed)
CM5 = 0 (XIN oscillating)
CM4 = 0 (32kHz stopped)
Low-speed mode (
φ =16kHz)
CM7 = 1 (32kHz selected)
CM6 = 1 (Middle-speed)
CM5 = 0 (XIN oscillating)
CM4 = 1 (32kHz oscillating)
Low-speed mode (
φ = 16kHz)
CM7 = 1 (32kHz selected)
CM6 = 0 (High-speed)
CM5 = 0 (XIN oscillating)
CM4 = 1 (32kHz oscillating)
Low power consumption mode (
φ =16kHz)
CM7 = 1 (32kHz selected)
CM6 = 1 (Middle-speed)
CM5 = 1 (XIN stopped)
CM4 = 1 (32kHz oscillating)
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