參數(shù)資料
型號(hào): MC68HC705SR3CPE
廠商: Freescale Semiconductor
文件頁(yè)數(shù): 69/96頁(yè)
文件大?。?/td> 0K
描述: IC MCU 3.75K 2.1MHZ OTP 40-DIP
標(biāo)準(zhǔn)包裝: 9
系列: HC05
核心處理器: HC05
芯體尺寸: 8-位
速度: 4MHz
外圍設(shè)備: LED,POR
輸入/輸出數(shù): 32
程序存儲(chǔ)器容量: 3.75KB(3.75K x 8)
程序存儲(chǔ)器類(lèi)型: OTP
RAM 容量: 192 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
數(shù)據(jù)轉(zhuǎn)換器: A/D 4x8b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 40-DIP(0.600",15.24mm)
包裝: 管件
MC68HC05SR3
Freescale
9-3
LOW POWER MODES
9
9.3
SLOW Mode
The SLOW mode function is controlled by the SM bit in the Miscellaneous Control Register. When
the SM bit is set, the internal bus clock is divided by 16, resulting to a frequency equal to the
oscillator frequency divide by 32. This feature permits a slow down of all the internal operations
and thus reduces power consumption — particularly useful while in WAIT mode. The SM bit is
automatically cleared while going to STOP mode.
SM — Slow Mode
1 (set)
Slow mode enabled. Internal bus frequency fOP=fOSC ÷ 32.
0 (clear) –
Slow mode disabled. Internal bus frequency fOP=fOSC ÷ 2.
9.4
Data-Retention Mode
If the Low Voltage Reset function is not enabled, the contents of RAM and CPU registers are
retained at supply voltages as low as 2Vdc. This is called the data-retention mode where the data
is held, but the device is not guaranteed to operate. The RESET pin must be held low during
data-retention mode.
The Low Voltage Reset Function is enabled/disabled by the LVRE bit in the Miscellaneous Control
Register ($0C).
LVRE — Low Voltage Reset Enable
1 (set)
Low Voltage Reset function enabled.
0 (clear) –
Low Voltage Reset function disabled.
Address bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
State
on reset
Miscellaneous Control Register
$0C
KBIE
KBIC
INTO
INTE LVRE
SM
IRQ2F IRQ2E 0001 0000
Address bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
State
on reset
Miscellaneous Control Register
$0C
KBIE
KBIC
INTO
INTE LVRE
SM
IRQ2F IRQ2E 0001 0000
TPG
69
05SR3.Book Page 3 Thursday, August 4, 2005 1:08 PM
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參數(shù)描述
MC68HC705SR3CPE 制造商:Freescale Semiconductor 功能描述:8-Bit Microcontroller IC
MC68HC705SR3PE 功能描述:IC MCU 3.75K 2.1MHZ OTP 40-DIP RoHS:是 類(lèi)別:集成電路 (IC) >> 嵌入式 - 微控制器, 系列:HC05 標(biāo)準(zhǔn)包裝:1 系列:AVR® ATmega 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C,SPI,UART/USART 外圍設(shè)備:欠壓檢測(cè)/復(fù)位,POR,PWM,WDT 輸入/輸出數(shù):32 程序存儲(chǔ)器容量:32KB(16K x 16) 程序存儲(chǔ)器類(lèi)型:閃存 EEPROM 大小:1K x 8 RAM 容量:2K x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 8x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:44-TQFP 包裝:剪切帶 (CT) 其它名稱(chēng):ATMEGA324P-B15AZCT
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