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參數(shù)資料
| 型號： | MC9RS08KA2CSCR |
| 廠商： | Freescale Semiconductor |
| 文件頁數(shù)： | 53/136頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC MCU 8BIT 2K FLASH 8-SOIC |
| 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 |
| 核心處理器： | RS08 |
| 芯體尺寸： | 8-位 |
| 速度： | 10MHz |
| 外圍設(shè)備： | LVD，POR，WDT |
| 輸入/輸出數(shù)： | 4 |
| 程序存儲器容量： | 2KB（2K x 8） |
| 程序存儲器類型： | 閃存 |
| RAM 容量： | 63 x 8 |
| 電壓 - 電源 (Vcc/Vdd)： | 1.8 V ~ 5.5 V |
| 振蕩器型： | 內(nèi)部 |
| 工作溫度： | -40°C ~ 85°C |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | MC9RS08KA2CSCRDKR |
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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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| MC9RS08KA4CPG | 功能描述:8位微控制器 -MCU 9RS08KA8 16PDIP RoHS:否 制造商:Silicon Labs 核心:8051 處理器系列:C8051F39x 數(shù)據(jù)總線寬度:8 bit 最大時鐘頻率:50 MHz 程序存儲器大小:16 KB 數(shù)據(jù) RAM 大小:1 KB 片上 ADC:Yes 工作電源電壓:1.8 V to 3.6 V 工作溫度范圍:- 40 C to + 105 C 封裝 / 箱體:QFN-20 安裝風(fēng)格:SMD/SMT |
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