參數(shù)資料
型號: MC68HC705J1ACP
廠商: Freescale Semiconductor
文件頁數(shù): 44/162頁
文件大小: 0K
描述: IC MCU 4MHZ 1.2K OTP 20-DIP
標(biāo)準(zhǔn)包裝: 18
系列: HC05
核心處理器: HC05
芯體尺寸: 8-位
速度: 4MHz
外圍設(shè)備: POR,WDT
輸入/輸出數(shù): 14
程序存儲器容量: 1.2KB(1.2K x 8)
程序存儲器類型: OTP
RAM 容量: 64 x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 5.5 V
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 20-DIP(0.300",7.62mm)
包裝: 管件
Technical Data
MC68HC705J1A — Rev. 4.0
MC68HRC705J1A
MC68HRC705J1A
A.3 RC Oscillator Connections
For greater cost reduction, the RC oscillator mask option allows the
configuration shown in Figure A-1 to drive the on-chip oscillator. Mount
the RC components as close as possible to the pins for startup
stabilization and to minimize output distortion.
Figure A-1. RC Oscillator Connections
NOTE:
The optional internal resistor is not recommended for configurations that
use the RC oscillator connections as shown in Figure A-1. For such
configurations, the oscillator internal resistor (OSCRES) bit of the mask
option register should be programmed to a logic 0.
MCU
VDD
VSS
C1
C2
OSC1
OSC2
R
OSC
1
OS
C
2
R
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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