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FR81S CY91F52 Series
Cypress FR81S CY91F52 Series Programming Manuals
Manuals and User Guides for Cypress FR81S CY91F52 Series Programming. We have
1
Cypress FR81S CY91F52 Series Programming manual available for free PDF download: Recommendation For Hardware Setup
Cypress FR81S CY91F52 Series Recommendation For Hardware Setup (32 pages)
Brand:
Cypress
| Category:
Microcontrollers
| Size: 1 MB
Table of Contents
1 Introduction
1
Table of Contents
1
2 Minimal System
2
Schematic
2
Serial Interface
2
Power Supply
2
Analog Digital Converter Supply Pins
2
Analog Input Pins
3
Reset Pin (RSTX)
4
Non Maskable Interrupt Pin (NMIX)
4
C-Pin
5
Clock Source
5
Mode Pins
6
Not Connected Pins
6
Debug Interface Connection
7
3 Layout and Electromagnetic Compatibility
8
General
8
Power Supply Pins
8
Oscillator Pins
9
Power Line Routing
9
Power Supply Decoupling
10
Recommended Power Supply Circuit
12
Reset Circuit
13
Quartz Crystal Placement and Signal Routing
16
Test Points
18
Other Documents
18
4 Port Input / Unused Pins / Latch-Up
19
Port Input / Unused Pins
19
Latch-Up Consideration (Switch)
20
Tolerant Input Pins
24
5 Flash Programming Connection
25
Overview
25
Serial Programming Via UART0
25
Serial Programming Via MDI Interface
27
Parallel Programming Interface
29
Security Function
29
6 Reset Behavior of IO Port Pins
30
Cypress Developer Community
32
Technical Support
32
Worldwide Sales and Design Support
32
7 Additional Information
30
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