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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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68HC05PL4 데이터시트(PDF) 11 Page - Freescale Semiconductor, Inc |
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68HC05PL4 데이터시트(HTML) 11 Page - Freescale Semiconductor, Inc |
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11 / 98 page  April 30, 1998 GENERAL RELEASE SPECIFICATION MC68HC05PL4 GENERAL DESCRIPTION REV 2.0 1-1 SECTION 1 GENERAL DESCRIPTION The MC68HC05PL4 HCMOS microcontroller is a member of the M68HC05 Fam- ily of low-cost single-chip microcontroller units (MCUs). This MCU is designed speci cally f or the handset and base set of cost-sensitive CT0/1 analog cordless phones. References to MC68HC05PL4 apply to both MC68HC05PL4 and MC68HC05PL4B, unless otherwise stated. 1.1 FEATURES • Industry standard 8-bit M68HC05 CPU core • Bus frequency: 2.56MHz @ 4V and 1MHz @ 2V • Built-in low-frequency RC oscillator (500kHz and 20kHz) • OSC input pin (OSC output pin on MC68HC05PL4B) • 256 bytes of user RAM • 4k-bytes of user ROM • ROM security • 23 (22 for MC68HC05PL4B) bidirectional I/O lines with: – 4 keyboard interrupts with pull-up resistor – 6 high current sink pins • Open-drain output for LED drive • Multiplexed DTMF output with built-in 6-bit D/A • 16-bit programmable timer with input capture and output compare functions • Reloadable 8-bit event timer • COP watchdog reset • Power saving STOP and WAIT modes • Available in 28-pin PDIP, SOIC, and SSOP packages Table 1-1. MC68HC05PL4 and MC68HC05PL4B Differences Device Pin 27 MC68HC05PL4 PA0 MC68HC05PL4B OSC2 Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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