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HC705JJ7GRS/D 数据表(PDF) 21 Page - NXP Semiconductors |
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HC705JJ7GRS/D 数据表(HTML) 21 Page - NXP Semiconductors |
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21 / 230 page ![]() General Description Features MC68HC705JJ7/MC68HC705JP7 — Rev. 3.0 General Release Specification General Description • On-Chip Oscillator with Device Option of Crystal/Ceramic Resonator or RC Operation and MOR Selectable Shunt Resistor, Approximately 2 M Ω • Internal Oscillator for Lower-Power Operation, Approximately 100 kHz (500 kHz Selected as Device Option) • EPROM Security Bit1 to Aid in Locking Out Access to Programmable EPROM array • MOR Selectable (COP) Watchdog System • Power-Saving Stop and Wait Mode Instructions (MOR Selectable STOP Conversion to Halt and Option for Fast 16-Cycle Restart, and Power-On Reset) • On-Chip Temperature Measurement Diode • MOR Selectable Low-Voltage Inhibit to Reset CPU in Low-Voltage Conditions • Illegal Address Reset • Internal Steering Diode and Pullup Device on RESET Pin to VDD 1. No security feature is absolutely secure. However, Motorola’s strategy is to make reading or copying the EPROM/OTPROM difficult for unauthorized users. Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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