mc68hc908mr32 Freescale Semiconductor, Inc, mc68hc908mr32 Datasheet - Page 17
mc68hc908mr32
Manufacturer Part Number
mc68hc908mr32
Description
M68hc08 Microcontrollers
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908MR32.pdf
(282 pages)
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Chapter 1
General Description
1.1 Introduction
The MC68HC908MR32 is a member of the low-cost, high-performance M68HC08 Family of 8-bit
microcontroller units (MCUs). All MCUs in the family use the enhanced M68HC08 central processor unit
(CPU08) and are available with a variety of modules, memory sizes and types, and package types.
The information contained in this document pertains to the MC68HC908MR16 with the exceptions shown
in
1.2 Features
Features include:
1. No security feature is absolutely secure. However, Freescale’s strategy is to make reading or copying the FLASH difficult for
Freescale Semiconductor
unauthorized users.
Appendix A
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High-performance M68HC08 architecture
Fully upward-compatible object code with M6805, M146805, and M68HC05 Families
8-MHz internal bus frequency
On-chip FLASH memory with in-circuit programming capabilities of FLASH program memory:
On-chip programming firmware for use with host personal computer
FLASH data security
768 bytes of on-chip random-access memory (RAM)
12-bit, 6-channel center-aligned or edge-aligned pulse-width modulator (PWMMC)
Serial peripheral interface module (SPI)
Serial communications interface module (SCI)
16-bit, 4-channel timer interface module (TIMA)
16-bit, 2-channel timer interface module (TIMB)
Clock generator module (CGM)
Low-voltage inhibit (LVI) module with software selectable trip points
10-bit, 10-channel analog-to-digital converter (ADC)
System protection features:
–
–
–
–
MC68HC908MR32 — 32 Kbytes
MC68HC908MR16 — 16 Kbytes
Optional computer operating properly (COP) reset
Low-voltage detection with optional reset
Illegal opcode or address detection with optional reset
Fault detection with optional PWM disabling
MC68HC908MR16.
MC68HC908MR32 • MC68HC908MR16 Data Sheet, Rev. 6.1
(1)
17
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