參數(shù)資料
型號: MC908QB4CDWE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO16
封裝: 1.27 MM PITCH, LEAD FREE, PLASTIC, MS-013AA, SOIC-16
文件頁數(shù): 191/236頁
文件大?。?/td> 2923K
代理商: MC908QB4CDWE
Configuration Register (CONFIG)
MC68HC908QB8 Data Sheet, Rev. 3
58
Freescale Semiconductor
IRQPUD — IRQ Pin Pullup Control Bit
1 = Internal pullup is disconnected
0 = Internal pullup is connected between IRQ pin and VDD
IRQEN — IRQ Pin Function Selection Bit
1 = Interrupt request function active in pin
0 = Interrupt request function inactive in pin
ESCIBDSRC — ESCI Baud Rate Clock Source Bit
ESCIBDSRC controls the clock source used for the ESCI. The setting of the bit affects the frequency
at which the ESCI operates.
1 = Internal data bus clock used as clock source for ESCI
0 = BUSCLKX4 used as clock source for ESCI
OSCENINSTOP— Oscillator Enable in Stop Mode Bit
OSCENINSTOP, when set, will allow the clock source to continue to generate clocks in stop mode.
This function can be used to keep the auto-wakeup running while the rest of the microcontroller stops.
When clear, the clock source is disabled when the microcontroller enters stop mode.
1 = Oscillator enabled to operate during stop mode
0 = Oscillator disabled during stop mode
RSTEN — RST Pin Function Selection
1 = Reset function active in pin
0 = Reset function inactive in pin
NOTE
The RSTEN bit is cleared by a power-on reset (POR) only. Other resets will
leave this bit unaffected.
COPRS (Out of Stop Mode) — COP Reset Period Selection Bit
1 = COP reset short cycle = 8176
× BUSCLKX4
0 = COP reset long cycle = 262,128
× BUSCLKX4
COPRS (In Stop Mode) — Auto Wakeup Period Selection Bit, depends on OSCSTOPEN in
CONFIG2 and external clock source
1 = Auto wakeup short cycle = 512
× (INTRCOSC or BUSCLKX4)
0 = Auto wakeup long cycle = 16,384
× (INTRCOSC or BUSCLKX4)
LVISTOP — LVI Enable in Stop Mode Bit
When the LVIPWRD bit is clear, setting the LVISTOP bit enables the LVI to operate during stop mode.
Reset clears LVISTOP.
1 = LVI enabled during stop mode
0 = LVI disabled during stop mode
Bit 7
6
5
4
3
2
1
Bit 0
Read:
COPRS
LVISTOP
LVIRSTD
LVIPWRD
LVITRIP
SSREC
STOP
COPD
Write:
Reset:
000
0
U
000
POR:
000
0
0000
U = Unaffected
Figure 5-2. Configuration Register 1 (CONFIG1)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MC908QB4CDWER 功能描述:8位微控制器 -MCU NITRON 4K FLASH 908QB4 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
MC908QB4CPE 功能描述:8位微控制器 -MCU CI 908QB4 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
MC908QB4MDTE 功能描述:8位微控制器 -MCU NITRON 4K FLASH 908QB4 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
MC908QB4MDWE 功能描述:8位微控制器 -MCU NITRON 4K FLASH 908QB4 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
MC908QB8 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:To provide the most up-to-date information, the revision of our documents