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RH850/U2A 144pin
Renesas RH850/U2A 144pin
56 pages
Manual
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RH850/U2A
144pin
1
.
Overvi
ew
R20UT5089ED0101
Rev.1.01
Page
2
of
56
July 08, 2022
1.4
Piggyback Boa
rd Views
Following figure
s
provi
de the top an
d bottom views o
f the pigg
yback b
oard.
Figure
1.2
Piggy
b
ack
b
oard bottom
view
Figure
1.1
Piggyback board top vie
w
7
9
Table of Contents
Main Page
Table of Contents
4
Overview
7
Package Components
7
Supported Main Boards
7
Main Features
7
Piggyback Board Views
8
Mounting of the Device
10
Jumpers, Connectors, Switches and Leds
11
Jumper Overview
12
Connector Overview
14
LED Overview
15
Power Supply
16
Board Power Connection
16
Voltage Distribution
17
Device Core Voltage (VDD) Selection
18
Current Measurement Bridges
18
Power Supply Leds
18
Clock Supply
19
Main Oscillator
19
Programmable Oscillator
19
X1 and X2 on CN15
20
Debug and Flash Programming Interfaces
21
Other Circuitry
22
Operation Mode Selection
22
RESET Switch
24
Signaling Leds
25
Pull-Up/Pull-Down Pin Header
26
Connectors
27
Connectors to the Main Board CN1 to CN3
27
Main Board Connector CN1
27
Main Board Connector CN2
29
Main Board Connector CN3
31
Debug Connector CN4
34
Pull-Up/Pull-Down Pin Header CN12
34
Device Ports Connectors CN13 to CN16
35
Device Ports Connector CN13
35
Device Ports Connector CN14
36
Device Ports Connector CN15
37
Device Ports Connector CN16
38
Jumper Configuration Examples
39
Stand-Alone Operation with Power Supply by Debugger
39
Configuration Examples
40
General Settings
40
Jumper Indicators
40
Stand-Alone Operation with Single External Power Supply 3.3 V: Minimum Configuration 1
41
Stand-Alone Operation with Single External Power Supply 5.0 V: Minimum Configuration 2
42
Stand-Alone Operation with All External Power Supplies: Maximum Configuration
43
Operation on the Main Board: no External Supply
44
Precautions
45
Power-Off Sequence
45
CAN0RX Is Shared with FLASH Programmer Signal FLMD1
45
Mechanical Dimensions
46
Schematics
47
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