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參數(shù)資料
| 型號： | MB90W214ZF |
| 廠商： | FUJITSU LTD |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 16-bit Proprietary Microcontroller |
| 中文描述： | 16-BIT, UVPROM, 16 MHz, MICROCONTROLLER, CQFP80 |
| 封裝： | CERAMIC, QFP-80 |
| 文件頁數(shù)： | 56/100頁 |
| 文件大?。?/td> | 1689K |
| 代理商： | MB90W214ZF |
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MB90210 Series
56
12. Low-power Consumption Modes, Oscillation Stabilization Delay Time, and Gear Function
The MB90210 series has three low-power consumption modes: the sleep mode, the stop mode, the hardware
standby mode, and gear function.
Sleep mode is used to suspend only the CPU operation clock; the other components remain in operation. Stop
mode and hardware standby mode stop oscillation, minimizing the power consumption while holding data.
The clock gear function divides the external clock frequency, which is used usually as it is, to provide a lower
machine clock frequency. This function can therefore lower the overall operation speed without changing the
oscillation frequency. The function can select the machine clock as a division of the frequency of crystal oscillation
or external clock input by 1, 2, 4, or 16.
The OSC1 and OSC0 bits can be used to set the oscillation stabilization delay time for wake-up from stop mode
or hardware standby mode.
(1) Register Configuration
Standby control register (STBYC)
0000A0
H
Address:
Standby control register
7
6
5
4
3
2
1
0
Bit
STP
CLK0
CLK1
OSC0
OSC1
RST
SPL
SLP
STBYC
(W)
(0)
(W)
(0)
(R/W)
(0)
(R/W)
(1)
(R/W)
(*)
(R/W)
(*)
(R/W)
(*)
(R/W)
(*)
Read/write
Initial value
→
→
Note: The initial value(*) of bit0 to bit3 is changed by reset source.
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