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參數(shù)資料
| 型號(hào)： | MC9S08RC16CFJ |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類(lèi)： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP32 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, 0.80 MM PITCH, MS-026BBA, LQFP-32 |
| 文件頁(yè)數(shù)： | 160/234頁(yè) |
| 文件大?。?/td> | 1743K |
| 代理商： | MC9S08RC16CFJ |
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Modes of Operation
MC9S08RC/RD/RE/RG Data Sheet, Rev. 1.11
Freescale Semiconductor
31
3.6
Stop Modes
One of three stop modes is entered upon execution of a STOP instruction when the STOPE bit in the
system option register is set. In all stop modes, all internal clocks are halted. If the STOPE bit is not set
when the CPU executes a STOP instruction, the MCU will not enter any of the stop modes and an illegal
opcode reset is forced. The stop modes are selected by setting the appropriate bits in SPMSC2.
Table 3-1 summarizes the behavior of the MCU in each of the stop modes.
3.6.1
Stop1 Mode
Stop1 mode provides the lowest possible standby power consumption by causing the internal circuitry of
the MCU to be powered down. To enter stop1, the user must execute a STOP instruction with the PDC bit
in SPMSC2 set and the PPDC bit clear. Stop1 can be entered only if the LVD reset is disabled
(LVDRE = 0).
When the MCU is in stop1 mode, all internal circuits that are powered from the voltage regulator are turned
off. The voltage regulator is in a low-power standby state, as are the OSC and ACMP.
Exit from stop1 is done by asserting any of the wakeup pins on the MCU: RESET, IRQ, or KBI1, which
have been enabled. IRQ and KBI pins are always active-low when used as wakeup pins in stop1 regardless
of how they were congured before entering stop1.
Upon wakeup from stop1 mode, the MCU will start up as from a power-on reset (POR). The CPU will take
the reset vector.
3.6.2
Stop2 Mode
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. To select entry into stop2 upon execution of a STOP instruction, the user
must execute a STOP instruction with the PPDC and PDC bits in SPMSC2 set. Stop2 can be entered only
if LVDRE = 0.
Before entering stop2 mode, the user must save the contents of the I/O port registers, as well as any other
memory-mapped registers that they want to restore after exit of stop2, to locations in RAM. Upon exit from
stop2, these values can be restored by user software.
When the MCU is in stop2 mode, all internal circuits that are powered from the voltage regulator are turned
off, except for the RAM. The voltage regulator is in a low-power standby state, as is the ACMP. Upon entry
Table 3-1. Stop Mode Behavior
Mode
PDC
PPDC
CPU, Digital
Peripherals,
FLASH
RAM
OSC
ACMP
Regulator
I/O Pins
RTI
Stop1
1
0
Off
Standby
Reset
Off
Stop2
1
Off
Standby
Off
Standby
States
held
Optionally on
Stop3
0
Don’t
care
Standby
Off
Standby
States
held
Optionally on
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC9S08RD16FJ | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP32 |
| MC9S08RG32FG | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP44 |
| MC9S08RE16FD | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, QCC48 |
| MC9S08RC8FG | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP44 |
| MC9S08RE16FJ | 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PQFP32 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC9S08RC16CFJE | 功能描述:IC MCU 16K FLASH 8MHZ 32-LQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:S08 標(biāo)準(zhǔn)包裝:1 系列:87C 核心處理器:MCS 51 芯體尺寸:8-位 速度:16MHz 連通性:SIO 外圍設(shè)備:- 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:8KB（8K x 8） 程序存儲(chǔ)器類(lèi)型:OTP EEPROM 大小:- RAM 容量:256 x 8 電壓 - 電源 (Vcc/Vdd):4 V ~ 6 V 數(shù)據(jù)轉(zhuǎn)換器:- 振蕩器型:外部 工作溫度:0°C ~ 70°C 封裝/外殼:44-DIP 包裝:管件 其它名稱(chēng):864285 |
| MC9S08RC16CPE | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC9S08RC16DWE | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC9S08RC16FDE | 制造商:FREESCALE 制造商全稱(chēng):Freescale Semiconductor, Inc 功能描述:Microcontrollers |
| MC9S08RC16FG | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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