s908gr16ag4cfj Freescale Semiconductor, Inc, s908gr16ag4cfj Datasheet - Page 19
s908gr16ag4cfj
Manufacturer Part Number
s908gr16ag4cfj
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.S908GR16AG4CFJ.pdf
(270 pages)
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Chapter 1
General Description
1.1 Introduction
The MC68HC908GR16A 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.
1.2 Features
For convenience, features have been organized to reflect:
1.2.1 Standard 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.
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Standard features
Features of the CPU08
High-performance M68HC08 architecture optimized for C-compilers
Fully upward-compatible object code with M6805, M146805, and M68HC05 Families
8-MHz internal bus frequency
Clock generation module supporting 1-MHz to 8-MHz crystals
FLASH program memory security
On-chip programming firmware for use with host personal computer which does not require high
voltage for entry
In-system programming (ISP)
System protection features:
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Low-power design; fully static with stop and wait modes
Standard low-power modes of operation:
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Master reset pin and power-on reset (POR)
16 Kbytes of on-chip FLASH memory
1 Kbyte of on-chip random-access memory (RAM)
406 bytes of FLASH programming routines read-only memory (ROM)
Optional computer operating properly (COP) reset
Low-voltage detection with optional reset and selectable trip points for 3.3-V and 5.0-V
operation
Illegal opcode detection with reset
Illegal address detection with reset
Wait mode
Stop mode
MC68HC908GR16A Data Sheet, Rev. 1.0
(1)
19
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