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Contents
Section 1
1.1
1.2
1.3
Overview
............................................................................................................
Features of SuperH Microcomputer with On-Chip Ethernet Controller............................
Block Diagram...................................................................................................................
Pin Description...................................................................................................................
1.3.1
Pin Arrangement...................................................................................................
1.3.2
Pin Functions........................................................................................................
1.3.3
Pin Multiplexing...................................................................................................
Processing States................................................................................................................
1
1
13
14
14
15
21
27
1.4
Section 2
2.1
CPU
.....................................................................................................................
Register Configuration.......................................................................................................
2.1.1
General Registers..................................................................................................
2.1.2
Control Registers..................................................................................................
2.1.3
System Registers...................................................................................................
2.1.4
DSP Registers.......................................................................................................
2.1.5
Notes on Guard Bits and Overflow Treatment.....................................................
2.1.6
Initial Values of Registers ....................................................................................
Data Formats......................................................................................................................
2.2.1
Data Format in Registers......................................................................................
2.2.2
Data Formats in Memory......................................................................................
2.2.3
Immediate Data Format........................................................................................
2.2.4
DSP Type Data Formats.......................................................................................
2.2.5
DSP Type Instructions and Data Formats ............................................................
CPU Core Instruction Features..........................................................................................
Instruction Formats............................................................................................................
2.4.1
CPU Instruction Addressing Modes.....................................................................
2.4.2
DSP Data Addressing ...........................................................................................
2.4.3
Instruction Formats for CPU Instructions.............................................................
2.4.4
Instruction Formats for DSP Instructions.............................................................
Instruction Set....................................................................................................................
2.5.1
CPU Instruction Set..............................................................................................
2.5.2
DSP Data Transfer Instruction Set........................................................................
2.5.3
DSP Operation Instruction Set..............................................................................
2.5.4
Various Operation Instructions.............................................................................
31
31
31
33
36
37
40
40
41
41
41
42
42
44
48
52
52
56
62
66
72
73
89
93
96
2.2
2.3
2.4
2.5
Section 3
3.1
3.2
Oscillator Circuits and Operating Modes
................................................ 105
Overview............................................................................................................................ 105
On-Chip Clock Pulse Generator and Operating Modes..................................................... 105
3.2.1
Clock Pulse Generator.......................................................................................... 105