Renesas R-IN32M3 Series User Manual page 6

1. Overview ........................................................................................................................................................ 1
1.1 Introduction......................................................................................................................................................... 1
1.2 Overview ............................................................................................................................................................ 2
1.3 Internal Block Diagram ...................................................................................................................................... 4
1.4 Pin Assignments (Top View) .............................................................................................................................. 5
1.5 Base Addresses of the System Registers Area <R> ............................................................................................ 6
2. Pin Functions ................................................................................................................................................. 7
2.1 List of Pins .......................................................................................................................................................... 8
2.1.1 Ethernet Pins .............................................................................................................................................. 8
2.1.2 External Memory Interface Pins .............................................................................................................. 10
2.1.3 External MCU Interface Pins ............................................................................................................... 11
2.1.4 Port Pins and Real-Time Port Pins ........................................................................................................... 12
2.1.5 Serial Flash ROM Interface Pins ............................................................................................................. 16
2.1.6 DMA Interface Pins ................................................................................................................................. 16
2.1.7 External Interrupt Input Pins .................................................................................................................... 17
2.1.8 Timer I/O Pins ......................................................................................................................................... 17
2.1.9 Watchdog Timer Output Pin .................................................................................................................... 17
2.1.10 Trace Pins ................................................................................................................................................ 18
2.1.11 CPU Power Control Pin ........................................................................................................................... 18
2.1.12 Serial Interface Pins ................................................................................................................................. 18
2.1.13 CC-Link IE Field Pins (Intelligent Device Station) ................................................................................. 19
2.1.14 CC-Link Pins (Intelligent Device Station) ............................................................................................... 20
2.1.15 CC-Link Pins (Remote Device Station) ................................................................................................... 21
2.1.16 System Pins .............................................................................................................................................. 22
2.1.17 Test Pins .................................................................................................................................................. 23
2.1.18 Operating Mode Setting Pins ................................................................................................................... 23
2.2 Pin States .......................................................................................................................................................... 25
2.2.1 Pin States when Booting is from External Memory ................................................................................. 26
2.2.2 Pin States when Booting is from External Serial Flash ROM ................................................................. 29
2.2.3 Pin States when Booting is for External MCU ........................................................................................ 32
2.3 Operating Mode Monitoring ............................................................................................................................. 35
2.4 Buffer Switching ............................................................................................................................................... 35
2.5 Buffer Types and Handling of Unused Pins ..................................................................................................... 36
2.5.1 Ethernet Pins ............................................................................................................................................ 36
Contents
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