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 .................................................................................................... 6
2. Pin Functions ................................................................................................................................................. 7
2.1 List of Pins .......................................................................................................................................................... 8
2.1.1 Ethernet Pins .............................................................................................................................................. 8
2.1.2 EtherCAT Slave Controller Pins .............................................................................................................. 10
2.1.3 External Memory Interface Pins .............................................................................................................. 11
2.1.4 External MCU Interface Pins ................................................................................................................... 13
2.1.5 Port Pins and Real-Time Port Pins ........................................................................................................... 14
2.1.6 Serial Flash ROM Interface Pins ............................................................................................................. 18
2.1.7 DMA Interface Pins ................................................................................................................................. 18
2.1.8 External Interrupt Input Pins .................................................................................................................... 19
2.1.9 Timer I/O Pins ......................................................................................................................................... 19
2.1.10 Watchdog Timer Output Pin .................................................................................................................... 19
2.1.11 Trace Pins ................................................................................................................................................ 19
2.1.12 CPU Power Control Pin ........................................................................................................................... 19
2.1.13 Serial Interface Pins ................................................................................................................................. 20
2.1.14 CC-Link Pins (Intelligent Device Station) ............................................................................................... 21
2.1.15 CC-Link Pins (Remote Device Station) ................................................................................................... 22
2.1.16 System Pins .............................................................................................................................................. 23
2.1.17 Test Pins .................................................................................................................................................. 24
2.1.18 Operating Mode Setting Pins ................................................................................................................... 25
2.2 Pin States .......................................................................................................................................................... 27
2.2.1 Pin States when Booting is from External Memory ................................................................................. 28
2.2.2 Pin States when Booting is from External Serial Flash ROM ................................................................. 31
2.2.3 Pin States when Booting is for External MCU ........................................................................................ 34
2.3 Buffer Types and Handling of Unused Pins ..................................................................................................... 37
2.3.1 Ethernet Pins ............................................................................................................................................ 37
2.3.2 External Memory/MCU Interface Pins .................................................................................................... 37
2.3.3 External Interrupt Input Pins .................................................................................................................... 38
Contents
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