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MC68HC908JL3 Datasheet, PDF (16/180 Pages) Freescale Semiconductor, Inc – Microcontrollers | |||
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General Description
1.2 Features
Features of the MC68H(R)C908JL3E include the following:
⢠EMC enhanced version of MC68H(R)C908JL3/JK3/JK1
⢠High-performance M68HC08 architecture
⢠Fully upward-compatible object code with M6805, M146805, and M68HC05 Families
⢠Low-power design; fully static with stop and wait modes
⢠Maximum internal bus frequency:
â 8-MHz at 5V operating voltage
â 4-MHz at 3V operating voltage
⢠Oscillator options:
â Crystal oscillator for MC68HC908JL3E/JK3E/JK1E
â RC oscillator for MC68HRC908JL3E/JK3E/JK1E
⢠User program Flash memory with security(1) feature
â 4,096 bytes for MC68H(R)C908JL3E/JK3E
â 1,536 bytes for MC68H(R)C908JK1E
⢠128 bytes of on-chip RAM
⢠2-channel, 16-bit timer interface module (TIM)
⢠12-channel, 8-bit analog-to-digital converter (ADC)
⢠23 general purpose I/O ports for MC68H(R)C908JL3E:
â 7 keyboard interrupt with internal pull-up
(6 keyboard interrupt for MC68HC908JL3E)
â 10 LED drivers (sink)
â 2 Ã 25mA open-drain I/O with pull-up
⢠15 general purpose I/O ports for MC68H(R)C908JK3E/JK1E:
â 1 keyboard interrupt with internal pull-up
(MC68HRC908JK3E/JK1E only)
â 4 LED drivers (sink)
â 2 Ã 25mA open-drain I/O with pull-up
â 10-channel ADC
⢠System protection features:
â Optional computer operating properly (COP) reset
â Optional low-voltage detection with reset and selectable trip points for 3V and 5V operation
â Illegal opcode detection with reset
â Illegal address detection with reset
⢠Master reset pin with internal pull-up and power-on reset
⢠IRQ with schmitt-trigger input and programmable pull-up
⢠28-pin PDIP, 28-pin SOIC, and 48-pin LQFP packages for MC68H(R)C908JL3E
⢠20-pin PDIP and 20-pin SOIC packages for MC68H(R)C908JK3E/JK1E
1. No security feature is absolutely secure. However, Freescaleâs strategy is to make reading or copying the Flash difficult for
unauthorized users.
MC68HC908JL3E Family Data Sheet, Rev. 4
16
Freescale Semiconductor
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