MC68HC908GR4VDW datasheet, PDF

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MC68HC908GR4VDW: Description8-BIT, FLASH, 8.2 MHz, MICROCONTROLLER, PDIP28; Categorysemiconductor The embedded processor and controller; File Size2MB，286 Pages; ManufacturerFREESCALE (NXP)

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MC68HC908GR4VDW Overview

8-BIT, FLASH, 8.2 MHz, MICROCONTROLLER, PDIP28

MC68HC908GR4VDW Parametric

Parameter Name	Attribute value
Number of functions	1
Number of terminals	28
Maximum operating temperature	85 Cel
Minimum operating temperature	-40 Cel
Maximum supply/operating voltage	5.5 V
Minimum supply/operating voltage	4.5 V
Rated supply voltage	5 V
External data bus width	0.0
Number of input and output buses	17
Line speed	8.2 MHz
Processing package description	PLASTIC, DIP-28
state	ACTIVE
Craftsmanship	HCMOS
packaging shape	RECTANGULAR
Package Size	IN-LINE
Terminal form	THROUGH-HOLE
Terminal spacing	2.54 mm
terminal coating	TIN LEAD
Terminal location	DUAL
Packaging Materials	PLASTIC/EPOXY
Temperature level	INDUSTRIAL
ADC channel	Yes
Address bus width	0.0
Number of digits	8
Maximum FCLK clock frequency	32.8 MHz
Microprocessor type	MICROCONTROLLER
PWM channel	Yes
ROM programming	FLASH

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MC68HC908GR8

MC68HC908GR4

Data Sheet

M68HC08

Microcontrollers

MC68HC908GR8

Rev. 7

10/2006

freescale.com

List of Chapters

Chapter 1 General Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Chapter 2 Memory Map. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Chapter 3 Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Chapter 4 Resets and Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Chapter 5 Analog-to-Digital Converter (ADC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Chapter 6 Break Module (BRK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Chapter 7 Clock Generator Module (CGMC). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Chapter 8 Configuration Register (CONFIG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Chapter 9 Computer Operating Properly (COP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Chapter 10 Central Processing Unit (CPU) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Chapter 11 Flash Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Chapter 12 External Interrupt (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Chapter 13 Keyboard Interrupt (KBI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Chapter 14 Low-Voltage Inhibit (LVI). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127

Chapter 15 Monitor ROM (MON) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131

Chapter 16 Input/Output Ports (I/O). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Chapter 17 Random-Access Memory (RAM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159

Chapter 18 Serial Communications Interface (SCI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161

Chapter 19 System Integration Module (SIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Chapter 20 Serial Peripheral Interface (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

Chapter 21 Timebase Module (TBM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225

Chapter 22 Timer Interface Module (TIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229

Chapter 23 Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

Chapter 24 Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269

Chapter 25 Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 281

MC68HC908GR8 • MC68HC908GR4 Data Sheet, Rev. 7

Freescale Semiconductor

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