DM-COP8/28D National Semiconductor, DM-COP8/28D Datasheet - Page 10
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DM-COP8/28D
Manufacturer Part Number
DM-COP8/28D
Description
CABLE FOR DEBUG MODULE 28-DIP
Manufacturer
National Semiconductor
Datasheet
1.DM-COP820D.pdf
(254 pages)
Specifications of DM-COP8/28D
Accessory Type
28-DIP Target Cable
For Use With/related Products
MetaLink Debug Module
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
*DM-COP8/28D
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CONTENTS
Microcontroller General Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Microcontroller Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Program Memory Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
Separate Data and Code Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Adding Two Numbers Using Accumulator Based Machine. . . . . . . . . 1-13
Adding Two Numbers Using Register Based Machine . . . . . . . . . . . . 1-14
Clock Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
External Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
R/C Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
Phase Shift Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
COP8SAx7 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Connection Diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Part Numbering Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
I/O Port Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
I/O Port Configurations–Output Mode . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
I/O Port Configurations–Input Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Reset Logic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Reset Circuit Using External Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Dddesired Reset Response Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Reset Timing (Power-On Reset enabled) With V
Reset Circuit Using Power-On Reset . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Crystal Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
External Oscillator. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
R/C Oscillator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
Timer in PWM Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
Timer in External Event Counter Mode . . . . . . . . . . . . . . . . . . . . . . . . 2-25
Timer in Input Capture Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-26
Wakeup From HALT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-29
Wakeup From IDLE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-30
Multi-Input Wake Up Logic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-31
Keyboard Scanning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-32
Interrupt Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-34
VIS Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-38
VIS Flow Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-39
MICROWIRE/PLUS Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-47
MICROWIRE/PLUS SPI Mode Interface Timing,
Normal SK Mode, SK Idle Phase being Low . . . . . . . . . . . . . . . . . . . . 2-50
MICROWIRE/PLUS SPI Mode Interface Timing,
Alternate SK Mode, SK Idle Phase being Low . . . . . . . . . . . . . . . . . . . 2-50
MICROWIRE/PLUS SPI Mode Interface Timing,
Alternate SK Mode, SK Idle Phase being High . . . . . . . . . . . . . . . . . . 2-51
MICROWIRE/PLUS SPI Mode Interface Timing,
Normal SK Mode, SK Idle Phase being High . . . . . . . . . . . . . . . . . . . . 2-51
MICROWIRE/PLUS Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-133
Ports L/C/G/F Input Protection (Except G6). . . . . . . . . . . . . . . . . . . . 2-134
Diode Equivalent of Input Protection . . . . . . . . . . . . . . . . . . . . . . . . . 2-134
On-Chip ESD Detection/Protection Circuit . . . . . . . . . . . . . . . . . . . . 2-135
EMI Improvements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-140
Block diagram of EMI Circuitry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-142
CC
Tied to RESET . . 2-18
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