MC68HC908KX2 MOTOROLA [Motorola, Inc], MC68HC908KX2 Datasheet - Page 30

• Manufacturer Part Number: MC68HC908KX2
• Description: Microcontrollers
• Manufacturer: MOTOROLA [Motorola, Inc]

General Description
1.3 Features
Technical Data
30
Features of the MC68HC908KX8 MCU include:
1. No security feature is absolutely secure. However, Motorola’s strategy is to make reading
or copying the FLASH difficult for unauthorized users.
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High-performance M68HC08 architecture
Fully upward-compatible object code with M6805, M146805, and
M68HC05 Families
Maximum internal bus frequencies of:
– 8 MHz at 5.0 V
– 4 MHz at 3.0 V
Internal oscillator requiring no external components:
– Software selectable bus frequencies
– 25 percent accuracy with trim capability to 2 percent
– Clock monitor
– Option to allow use of external clock source or external
Eight Kbytes of on-chip, in-circuit programmable FLASH memory
FLASH program memory security
On-chip programming firmware for use with host personal
computer which does not require high voltage for entry
192 bytes of on-chip random-access memory (RAM)
16-bit, 2-channel timer interface (TIM) module
4-channel, 8-bit, analog-to-digital converter (ADC) with high-
voltage reference (V
Serial communications interface (SCI) module
5-bit keyboard interrupt (KBI) with wakeup feature
13 general-purpose input/output (I/O) ports:
– Five shared with KBI and TIM, with 15-mA source/15-mA sink
– Four shared with ADC
– Two shared with SCI
crystal/ceramic resonator
capabilities and with programmable pullups on general-
purpose input ports
General Description
MC68HC908KX8 • MC68HC908KX2 • MC68HC08KX8 — Rev. 1.0
REFH
) double bonded to V
(1)
DD
pin
MOTOROLA