Renesas M3A-HS25 3.3.1 SH7125 Power Supply Select Jumper (JP1)

Operational Specifications

3.3.1 SH7125 Power Supply Select Jumper (JP1)

Rev.1.0 July 21, 2006 3-13

REJ10J0952-0100

3.3.1 SH7125 Power Supply Select Jumper (JP1)

The JP1 allows the sources for the SH7125 power supply voltages to be selected.

Figure 3.3.2 shows the SH7125 power supply voltage select jumper (JP1) assignment.

Table 3.3.1 lists jumper setting for selecting SH7125 power supply voltage (JP1).

Top view of the

component side

Board

edge

Board

edge

JP1 PWRSEL

Figure 3.3.2 SH7125 Power Supply Voltage Select Jumper (JP1) Assignment

Table 3.3.1 Jumper Setting for Selecting SH7125 Power Supply Voltage (JP1)

Jumper Setting Function

1 - 2 5V fixed power supply voltage

JP1

PWRSEL 2 - 3 External power supply voltage (supplied from J4)

: Initial Setting

Note : Do not change jumper settings while the operation of M3A-HS25. Ensure to turn off the power for the

M3A-HS25 before changing jumper settings.

Contents

Main REJ10J0952-0100 Rev. 1.0 Issued : July 21, 2006 Renesas 32-Bit RISC Microcomputers SuperHTM RISC engine Family / SH7125 Group M3 A -HS25 User's Manual SH7125 CPU Board Page Page Table of Contents Page Overview 1.1 Overview 1.2 Configuration Page Page SH7125 CPU board M3A-HS25 SH7125 (50MHz) Overview 1.6 M3A-HS25 Board Overview Page Overview 1.7 M3A-HS25 Memory Mapping Logical space of the SH7125 MCU mode 3 Single Chip mode Memory Mapping of the M3A-HS25 Overview 1.8 Absolute Maximum Ratings 1.9 Recommended Operating Conditions Page Page Functional Overview 2.1 Functional Overview Input(XIN) clock : 12.5MHz CPU clock : 50MHz, max On-chip Memory SH7125 extension connector Switches and LEDs H-UDI connector Functional Overview 2.2 CPU Rev.1.0 July 21, 2006 2-3 REJ10J0952-0100 SH7125 Figure2.2.1 Block Diagram of SH7125 Functional Overview 2.3 Serial Port Interface SH7125 Functional Overview 2.4 I/O Ports SH7125 2.4 I/O Ports Rev.1.0 July 21, 2006 2-6 REJ10J0952-0100 Table2.4.1 Functions of SH7125 I/O Ports Functional Overview 2.5 Clock Module Output from a oscillator connected to EXTAL of the SH7125 Functional Overview 2.6 Reset Module Functional Overview SH7125 2.7 Interrupt Switches Functional Overview 2.8 E10A-USB Interface Page Operational Specifications 3.1 M3A-HS25 Connectors Outline 3.1.1 H-UDI Connector (J1) 3.1.2 Serial Port Connector (J2) 3.1.3 Power Supply Connector (J3) 3.1.4 External Power Supply Connectors (J4) 3.1.5 Extension Connectors (J5,J6) Page Page 3.1.6 Extension Connector (J7) Operational Specifications 3.2 User Through-hole Operational Specifications 3.3 Outline of Operational Components 3.3.1 SH7125 Power Supply Select Jumper (JP1) 3.3.2 FWE Pin Select Jumper (JP2) 3.3.3 Serial Port Select Jumpers (JP3,JP4) 3.3.4 Switch and LED Functions Page Operational Specifications 3.4 Package Dimensions of M3A-HS25 Page Page SH7125 CPU BOARD M3A-HS25 SCHEMATICS INDEX CPU SH7125 UDI/RESET/UART/POWER CONNECTORS/PUSH SW OTHERS : not mounted[Note] PAGE 1 2 3 4 5 TITLE SH7125 12.5MHz Decoupling Caps H-UDI SH7125 User Port Cd Note: JP2= "2-3" CPU Operating Mode OFF Extension Connector NMI 7414 NMI SWITCH CIRCUIT IRQ AGND-GND TEST PIN