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參數(shù)資料
| 型號： | MC13214R2 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | SPECIALTY MICROPROCESSOR CIRCUIT, BGA71 |
| 封裝： | 9 X 9 MM, 1 MM HEIGHT, ROHS COMPLIANT, LGA-71 |
| 文件頁數(shù)： | 19/70頁 |
| 文件大?。?/td> | 802K |
| 代理商： | MC13214R2 |
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MC13211/212/213/214 Technical Data, Rev. 0.0,
26
Freescale Semiconductor
5.2
MCU Modes of Operation
The MCU has multiple operational modes to facilitate maximum system performance while also providing
low-power modes. In the MC1321x, the MCU can use the following modes:
Run
Wait
Stop2
Stop3
NOTE
The MCU can also be programmed for Stop1 mode, but this mode IS NOT
USABLE. The reset to the modem function is controlled by an MCU GPIO
and the GPIO state must be maintained during the MCU “stop” condition.
Stop1 mode does not control I/O states as required during modem power
down condition.
5.2.1
Run Mode
This is the normal operating mode for the HCS08. This mode is selected when the BKGD/MS pin is high
at the rising edge of reset. In this mode, the CPU executes code from internal memory with execution
beginning at the address fetched from memory at $FFFE:$FFFF after reset.
5.2.2
Wait Mode
Wait Mode is entered by executing a WAIT instruction. Upon execution of the WAIT instruction, the CPU
enters a low-power state in which it is not clocked. The I bit in CCR is cleared when the CPU enters the
wait mode, enabling interrupts. When an interrupt request occurs, the CPU exits the wait mode and
resumes processing, beginning with the stacking operations leading to the interrupt service routine.
While the MCU is in Wait Mode, there are some restrictions on which background debug commands can
be used. Only the BACKGROUND command and memory-access-with-status commands are available
when the MCU is in wait mode. The memory-access-with-status commands do not allow memory access,
but they report an error indicating that the MCU is in either stop or wait mode. The BACKGROUND
command can be used to wake the MCU from Wait Mode and enter active background mode.
5.2.3
Stop 2
The Stop2 Mode provides very low standby power consumption and maintains the contents of RAM and
the current state of all of the I/O pins. Stop2 can be entered only if the LVD circuit is not enabled in Stop
Modes (either LVDE or LVDSE not set).
Before entering Stop2 Mode, the user must save the contents of the I/O port registers, as well as any other
memory-mapped registers they want to restore after exit of Stop2, to locations in RAM. Upon exit of
Stop2, these values can be restored by user software before pin latches are opened.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MC1321X | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述: |
| MC1321X_09 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ZigBee?- Compliant Platform - 2.4 GHz Low Power Transceiver for the IEEE? 802.15.4 Standard plus Microcontroller |
| MC13224V | 功能描述:射頻收發(fā)器 PIP 802.15.4 2.4G IND RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray |
| MC13224V | 制造商:Freescale Semiconductor 功能描述:; Controller Family/Series:(ARM7); Memor |
| MC13224V_09 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Advanced ZigBee?- Compliant Platform-in-Package (PiP) for the 2.4 GHz IEEE? 802.15.4 Standard |
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