mc68hc705k1 Freescale Semiconductor, Inc, mc68hc705k1 Datasheet - Page 16

• Manufacturer Part Number: mc68hc705k1
• Description: Hcmos Microcontroller Unit
• Manufacturer: Freescale Semiconductor, Inc

General Description
1.3 Features
Technical Data
On-chip memory of the MC68HC705K1 includes 504 bytes of erasable,
programmable read-only memory (EPROM). In packages without the
transparent window for EPROM erasure, the 504 EPROM bytes serve
as one-time programmable read-only memory (OTPROM).
Features of the MCU include:
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Freescale Semiconductor, Inc.
For More Information On This Product,
Popular M68HC05 CPU
Memory-mapped input/output (I/O) registers
504 bytes of EPROM/OTPROM, including eight user vector
locations
32 bytes of user random-access memory (RAM)
64-bit personality EPROM
10 bidirectional I/O pins with these features:
– Software programmable pulldown devices
– Four I/O pins with 8-mA current sinking capability
– Four I/O pins with maskable external interrupt capability
Hardware mask and flag for external interrupts
Fully static operation with no minimum clock speed
On-chip oscillator with connections for:
– Crystal or ceramic resonator
– Mask-optional 2-pin or 3-pin resistor-capacitor (RC) oscillator
Computer operating properly (COP) watchdog
15-bit multifunction timer with real-time interrupt circuit
Power-saving stop, wait, halt, and data-retention modes
8
Illegal address reset
Low-voltage reset
8 unsigned multiply instruction
Go to: www.freescale.com
General Description
MC68HC705K1 — Rev. 2.0