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| 型號： | DEMO9RS08KA2 |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 53/136頁 |
| 文件大?。?/td> | 0K |
| 描述： | DEMO BOARD FOR 9RS08KA2 |
| 產(chǎn)品培訓(xùn)模塊： | Mechatronics USBSpyder08 Discovery Kit RS08KA2 Low-End Microcontroller Series MC9RS08KA8 Microcontroller |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | RS08 |
| 類型： | MCU |
| 適用于相關(guān)產(chǎn)品： | MC9RS08KA2 |
| 所含物品： | 板，線纜，CD，文檔，樣品 IC |
| 產(chǎn)品目錄頁面： | 730 (CN2011-ZH PDF) |
| 相關(guān)產(chǎn)品： | MC9RS08KA2CSCRTR-ND - IC MCU 8BIT 2K FLASH 8-SOIC PC9RS08KA2PAE-ND - MCU 8BIT 2KB FLASH RS08 8-DIP PC9RS08KA2FPE-ND - MCU 8BIT 2KB FLASH RS08 6-VDFN PC9RS08KA2DWE-ND - MCU 8BIT 2KB FLASH RS08 8-SOIC MC9RS08KA2CPC-ND - IC MCU 8-BIT 2K FLASH 8-PDIP MC9RS08KA2CDB-ND - IC MCU 8-BIT 2K FLASH 6-DFN MC9RS08KA2CSC-ND - IC MCU 8-BIT 2K FLASH 8-SOIC |
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Chapter 3 Modes of Operation
MC9RS08KA2 Series Data Sheet, Rev. 4
Freescale Semiconductor
23
Table 3-1 summarizes the behavior of the MCU in wait mode.
3.6
Stop Mode
Stop mode is entered upon execution of a STOP instruction when the STOPE bit in the system option
register is set. In stop mode, all internal clocks to the CPU and the modules are halted. If the STOPE bit is
not set when the CPU executes a STOP instruction, the MCU will not enter stop mode and an illegal
opcode reset is forced.
Table 3-2 summarizes the behavior of the MCU in stop mode.
Upon entering stop mode, all of the clocks in the MCU are halted. The ICS is turned off by default when
the IREFSTEN bit is cleared and the voltage regulator is put in standby. The states of all of the internal
registers and logic, as well as the RAM content, are maintained. The I/O pin states are held.
Exit from stop is done by asserting RESET, any asynchronous interrupt that has been enabled, or the
real-time interrupt. The asynchronous interrupts are the KBI pins, LVD interrupt, or the ACMP interrupt.
If stop is exited by asserting the RESET pin, the MCU will be reset and program execution starts at
location $3FFD. If exited by means of an asynchronous interrupt or real-time interrupt, the next instruction
after the location where the STOP instruction was executed will be executed accordingly. It is the
responsibility of the user program to probe for the corresponding interrupt source that woke the CPU.
A separate self-clocked source (
≈1 kHz) for the real-time interrupt allows a wakeup from stop mode with
no external components. When RTIS = 000, the real-time interrupt function and the 1-kHz source are
disabled. Power consumption is lower when the 1-kHz source is disabled, but in that case, the real-time
interrupt cannot wake the MCU from stop.
The trimmed 32-kHz clock in the ICS module can also be enabled for the real-time interrupt to allow a
wakeup from stop mode with no external components. The 32-kHz clock reference is enabled by setting
Table 3-1. Wait Mode Behavior
Mode
CPU
Digital
Peripherals
ICS
ACMP
Regulator
I/O Pins
RTI
Wait
Standby
Optionally on
On
Optionally
on
On
States held
Optionally on
Table 3-2. Stop Mode Behavior
Mode
CPU
Digital
Peripherals
ICS1
1 ICS requires IREFSTEN = 1 and LVDE and LVDSE must be set to allow operation in stop.
ACMP2
2 If bandgap reference is required, the LVDE and LVDSE bits in the SPMSC1 must both be set before entering
stop.
Regulator
I/O Pins
RTI3
3 If the 32-kHz trimmed clock in the ICS module is selected as the clock source for the RTI, LVDE and LVDSE bits
in the SPMSC1 must both be set before entering stop.
Stop
Standby
Optionally
on
Optionally
on
Standby
States held
Optionally on
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DEMO9RS08KA8 | 功能描述:開發(fā)板和工具包 - S08 / S12 DEMO BOARD FOR KA8 PRODUCT RoHS:否 產(chǎn)品:Development Kits 工具用于評估:MC9S12G128 核心:S12 接口類型:CAN, LIN, RS-232, USB 工作電源電壓:5 V 制造商:Freescale Semiconductor |
| DEMO9RS08KB12 | 功能描述:開發(fā)板和工具包 - S08 / S12 KB12 DEMO Board RoHS:否 產(chǎn)品:Development Kits 工具用于評估:MC9S12G128 核心:S12 接口類型:CAN, LIN, RS-232, USB 工作電源電壓:5 V 制造商:Freescale Semiconductor |
| DEMO9RS08KB12 | 制造商:Freescale Semiconductor 功能描述:; LEADED PROCESS COMPATIBLE:YES; PEAK RE |
| DEMO9RS08LA8 | 功能描述:開發(fā)板和工具包 - S08 / S12 DEMO BOARD FOR LA8 RoHS:否 產(chǎn)品:Development Kits 工具用于評估:MC9S12G128 核心:S12 接口類型:CAN, LIN, RS-232, USB 工作電源電壓:5 V 制造商:Freescale Semiconductor |
| DEMO9RS08LE4 | 功能描述:開發(fā)板和工具包 - S08 / S12 LE4 Family Demo Board RoHS:否 產(chǎn)品:Development Kits 工具用于評估:MC9S12G128 核心:S12 接口類型:CAN, LIN, RS-232, USB 工作電源電壓:5 V 制造商:Freescale Semiconductor |
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