Renesas RA0 Series Manuals

Manuals and User Guides for Renesas RA0 Series. We have 1 Renesas RA0 Series manual available for free PDF download: Quick Design Manual

Renesas RA0 Series Quick Design Manual

Renesas RA0 Series Quick Design Manual (35 pages)

Brand: Renesas | Category: Network Hardware | Size: 1 MB

Table of Contents

Table of Contents
1
Power Supplies
3
References
3
Emulator Support
4
SWD Interface
4
MCU Operating Modes
5
Option-Setting Memory
6
Option-Setting Memory Registers
7
Clock Circuits
8
Reset Conditions
9
Clock Frequency Requirements
9
Requirements for Programming and Erasing ROM or Data Flash
9
Lowering Clock Generation Circuit (CGC) Power Consumption
9
Writing the System Clock Control Registers
10
Clock Setup Example
10
HOCO Accuracy
11
Flash Interface Clock
11
Board Design
11
External Crystal Resonator Selection
11
External Clock Input
12
Reset Requirements and the Reset Circuit
12
Pin Reset
12
Power-On Reset
13
Independent Watchdog Timer Reset
13
Voltage-Monitoring Resets
13
Software Reset
13
Other Resets
14
Determination of Cold/Warm Start
14
Determining the Reset Source
14
Memory
15
Sram
16
Peripheral I/O Registers
16
On-Chip Flash Memory
16
Background Operation
17
ID Code Protection
17
Restriction on Endianness
18
Register Write Protection
19
I/O Port Configuration
19
Multifunction Pin Selection Design Strategies
19
Setting up and Using a Port as GPIO
20
Internal Pull-Ups
21
Open-Drain Output
21
Setting up and Using Port Peripheral Functions
21
Setting up and Using IRQ Pins
22
Unused Pins
23
Nonexistent Pins
24
Electrical Characteristics
24
Module Stop Function
24
Interrupt Control Unit
25
Low Power Consumption
26
Buses
29
Bus Error Monitoring
29
Bus Error Types
29
Operation When a Bus Error Occurs
29
General Layout Practices
30
Digital Domain Vs. Analog Domain
30
High Speed Signal Design Considerations
30
Signal Group Selections
31
References
31
Revision History
33

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