參數(shù)資料
型號(hào)： MR80C32-12P883D
廠商： TEMIC SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, 12 MHz, MICROCONTROLLER, CQCC44
文件頁數(shù)： 87/91頁
文件大?。?/td> 19688K
代理商： MR80C32-12P883D
45
7707F–AVR–11/10
AT90USB82/162
independent of sleep mode. Refer to “Analog Comparator” on page 223 for details on how to
configure the Analog Comparator.
8.7.2
Brown-out Detector
If the Brown-out Detector is not needed by the application, this module should be turned off. If
the Brown-out Detector is enabled by the BODLEVEL Fuses, it will be enabled in all sleep
modes, and hence, always consume power. In the deeper sleep modes, this will contribute sig-
nificantly to the total current consumption. Refer to “Brown-out Detection” on page 49 for details
on how to configure the Brown-out Detector.
8.7.3
Internal Voltage Reference
The Internal Voltage Reference will be enabled when needed by the Brown-out Detection, or the
Analog Comparator. If these modules are disabled as described in the sections above, the inter-
nal voltage reference will be disabled and it will not be consuming power. When turned on again,
the user must allow the reference to start up before the output is used. If the reference is kept on
in sleep mode, the output can be used immediately. Refer to “Internal Voltage Reference” on
page 52 for details on the start-up time.
8.7.4
Watchdog Timer
If the Watchdog Timer is not needed in the application, the module should be turned off. If the
Watchdog Timer is enabled, it will be enabled in all sleep modes, and hence, always consume
power. In the deeper sleep modes, this will contribute significantly to the total current consump-
tion. Refer to “Interrupts” on page 63 for details on how to configure the Watchdog Timer.
8.7.5
Port Pins
When entering a sleep mode, all port pins should be configured to use minimum power. The
most important is then to ensure that no pins drive resistive loads. In sleep modes where the I/O
clock (clk
I/O) is stopped, the input buffers of the device will be disabled. This ensures that no
power is consumed by the input logic when not needed. In some cases, the input logic is needed
for detecting wake-up conditions, and it will then be enabled. Refer to the section “Digital Input
Enable and Sleep Modes” on page 71 for details on which pins are enabled. If the input buffer is
enabled and the input signal is left floating or have an analog signal level close to V
CC/2, the
input buffer will use excessive power.
For analog input pins, the digital input buffer should be disabled at all times. An analog signal
level close to V
CC/2 on an input pin can cause significant current even in active mode. Digital
input buffers can be disabled by writing to the Digital Input Disable Registers (DIDR1). Refer to
8.7.6
On-chip Debug System
If the On-chip debug system is enabled by the OCDEN Fuse and the chip enters sleep mode,
the main clock source is enabled, and hence, always consumes power. In the deeper sleep
modes, this will contribute significantly to the total current consumption.
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MR80C32-16 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
MR80C32-20 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
MR80C32-25 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
MR80C32-30 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
MR80C32-36 制造商:未知廠家 制造商全稱:未知廠家 功能描述:8-Bit Microcontroller
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