Renesas RH850

Table of Contents
1. Overview ..................................................................................................................... 6
1.1 Package Components ........................................................................................................................... 6
1.2 Supported Main Boards ......................................................................................................................... 7
1.3 Main Features ....................................................................................................................................... 7
1.4 Piggyback Board Views ......................................................................................................................... 8
1.5 Mounting of the Device ........................................................................................................................ 10
1.6 Modifications for U2A6 device ............................................................................................................. 11
1.7 Difference from Y-RH850-U2A-292PIN-PB-T1-V1 to Y-RH850-U2A-292PIN-PB-T1-V2 ................... 12
2. Jumpers, Connectors and LEDs ................................................................................ 13
2.1 Jumpers Overview ............................................................................................................................... 13
2.2 Connectors Overview .......................................................................................................................... 19
2.3 LED Overview ..................................................................................................................................... 20
3. Power Supply ............................................................................................................ 21
3.1 Board Power Connection .................................................................................................................... 21
3.2 Voltage Distribution ............................................................................................................................. 22
3.3 Device Core Voltage (VDD) Selection ................................................................................................ 24
3.4 Current Measurement Bridges ............................................................................................................ 24
3.5 Power Supply LEDs ............................................................................................................................ 25
4. Clock Supply ............................................................................................................. 26
4.1 Main Oscillator ..................................................................................................................................... 26
4.2 Programmable Oscillator ..................................................................................................................... 27
4.3 X1 and X2 on CN15 ............................................................................................................................ 27
5. Debug and Flash Programming Interfaces ................................................................ 28
6. Other Circuitry ........................................................................................................... 29
6.1 Operation Mode Selection ................................................................................................................... 29
6.2 RESET Switch ..................................................................................................................................... 30
6.3 Signaling LEDs .................................................................................................................................... 30
6.4 Pull-Up/Pull-Down Pin Header ............................................................................................................ 30
6.5 Automotive Ethernet Interface ............................................................................................................. 31
6.6 Renesas High-Speed Serial I/F (RHSIF) / Multichannel Serial Peripheral Interface (MSPI) .............. 33
7. Connectors ................................................................................................................ 34
7.1 Connectors to the Main Board CN1 to CN3 ........................................................................................ 34
7.1.1 Main Board Connector CN1 ......................................................................................................... 34
7.1.2 Main Board Connector CN2 ......................................................................................................... 37
7.1.3 Main Board Connector CN3 ......................................................................................................... 39
7.2 Debug Connector CN4 ........................................................................................................................ 42