參數(shù)資料
型號: MC705JJ7CDWE
廠商: Freescale Semiconductor
文件頁數(shù): 111/164頁
文件大小: 0K
描述: IC MCU 8BIT 224B RAM 20-SOIC
標準包裝: 38
系列: HC05
核心處理器: HC05
芯體尺寸: 8-位
速度: 2.1MHz
連通性: SIO
外圍設備: POR,溫度傳感器,WDT
輸入/輸出數(shù): 14
程序存儲器容量: 6KB(6K x 8)
程序存儲器類型: OTP
RAM 容量: 224 x 8
電壓 - 電源 (Vcc/Vdd): 2.7 V ~ 5.5 V
數(shù)據轉換器: A/D 4x12b
振蕩器型: 內部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-SOIC(0.295",7.50mm 寬)
包裝: 管件
Operating Modes
MC68HC705JJ7 MC68HC705JP7 Advance Information Data Sheet, Rev. 4.1
50
Freescale Semiconductor
.
NOTE
When switching from LPO to EPO, the user must be careful to ensure that
the EPO has been enabled and powered up long enough to stabilize before
shifting clock sources.
IRQF — External Interrupt Request Flag
The IRQF flag is a clearable, read-only bit that is set when an external interrupt request is pending.
Refer to Chapter 4 Interrupts for more details.
IRQR — Interrupt Request Reset Bit
This write-only bit clears the IRQF flag bit and prevents redundant execution of interrupt routines. Refer
to Chapter 4 Interrupts for more details.
6.3 Low-Power Modes
Four modes of operation reduce power consumption:
Stop mode
Wait mode
Halt mode
Data-retention mode
Figure 6-2 shows the sequence of events in stop, wait, and halt modes.
Table 6-1. Oscillator Selection
OM2
OM1
Oscillator
Selected
Internal
Low-Power
Oscillator
(LPO)
External Pin
Oscillator
(EPO)
Power
Consumption
0
Internal
Enabled
Disabled
Lowest
0
1
External
Disabled
Enabled
Normal
1
0
Internal
Enabled
Disabled
Lowest
1
Internal
Enabled
Normal
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相關代理商/技術參數(shù)
參數(shù)描述
MC705JJ7CDWE 制造商:Freescale Semiconductor 功能描述:8-Bit Microcontroller IC
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