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SH7125 Datasheet(PDF) 9 Page - Renesas Technology Corp

Part # SH7125
Description  Renesas 32-Bit RISC Microcomputer
Download  782 Pages
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Manufacturer  RENESAS [Renesas Technology Corp]
Direct Link  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

SH7125 Datasheet(HTML) 9 Page - Renesas Technology Corp

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Rev. 3.00 Sep. 27, 2007 Page ix of xx
Contents
Section 1 Overview................................................................................................1
1.1
Features of SH7125 and SH7124........................................................................................... 1
1.2
Block Diagram....................................................................................................................... 6
1.3
Pin Assignments .................................................................................................................... 7
1.4
Pin Functions ....................................................................................................................... 11
Section 2 CPU......................................................................................................17
2.1
Features................................................................................................................................ 17
2.2
Register Configuration......................................................................................................... 18
2.2.1
General Registers (Rn)............................................................................................ 19
2.2.2
Control Registers .................................................................................................... 19
2.2.3
System Registers..................................................................................................... 21
2.2.4
Initial Values of Registers....................................................................................... 21
2.3
Data Formats........................................................................................................................ 22
2.3.1
Register Data Format .............................................................................................. 22
2.3.2
Memory Data Formats ............................................................................................ 22
2.3.3
Immediate Data Formats......................................................................................... 23
2.4
Features of Instructions........................................................................................................23
2.4.1
RISC Type .............................................................................................................. 23
2.4.2
Addressing Modes .................................................................................................. 26
2.4.3
Instruction Formats ................................................................................................. 29
2.5
Instruction Set ...................................................................................................................... 33
2.5.1
Instruction Set by Type........................................................................................... 33
2.5.2
Data Transfer Instructions ...................................................................................... 37
2.5.3
Arithmetic Operation Instructions .......................................................................... 39
2.5.4
Logic Operation Instructions .................................................................................. 41
2.5.5
Shift Instructions..................................................................................................... 42
2.5.6
Branch Instructions ................................................................................................. 43
2.5.7
System Control Instructions.................................................................................... 44
2.6
Processing States.................................................................................................................. 46
Section 3 MCU Operating Modes .......................................................................49
3.1
Selection of Operating Modes.............................................................................................. 49
3.2
Input/Output Pins ................................................................................................................. 50
3.3
Operating Modes.................................................................................................................. 50
3.3.1
Mode 3 (Single Chip Mode) ................................................................................... 50


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