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Contents
Section 1
1.1
Overview and Pin Functions
........................................................................
SH7604 Features................................................................................................................
1.1.1
Features of the SH7604 ........................................................................................
Block Diagram...................................................................................................................
Description of Pins.............................................................................................................
1.3.1
Pin Arrangement...................................................................................................
1.3.2
Pin Functions........................................................................................................
1
1
1
6
7
7
9
1.2
1.3
Section 2
2.1
CPU
.....................................................................................................................
Register Configuration.......................................................................................................
2.1.1
General Registers.................................................................................................. 15
2.1.2
Control Registers.................................................................................................. 16
2.1.3
System Registers...................................................................................................
2.1.4
Initial Values of Registers .................................................................................... 17
Data Formats...................................................................................................................... 18
2.2.1
Data Format in Registers...................................................................................... 18
2.2.2
Data Format in Memory........................................................................................ 18
2.2.3
Immediate Data Format........................................................................................ 19
Instruction Features............................................................................................................ 19
2.3.1
RISC-Type Instruction Set.................................................................................... 19
2.3.2
Addressing Modes................................................................................................ 22
2.3.3
Instruction Formats...............................................................................................
Instruction Set.................................................................................................................... 29
2.4.1
Instruction Set by Classification...........................................................................
2.4.2
Operation Code Map.............................................................................................
Processing States................................................................................................................ 44
2.5.1
State Transitions.................................................................................................... 44
2.5.2
Power-Down State................................................................................................ 46
15
15
17
2.2
2.3
25
2.4
29
42
2.5
Section 3
3.1
3.2
Oscillator Circuits and Operating Modes
................................................ 49
Overview............................................................................................................................ 49
On-Chip Clock Pulse Generator and Operating Modes.....................................................
3.2.1
Clock Pulse Generator.......................................................................................... 49
3.2.2
Clock Operating Mode Settings............................................................................ 51
3.2.3
Connecting a Crystal Resonator............................................................................ 52
3.2.4
Inputting an External Clock.................................................................................. 54
3.2.5
Selecting Operating Frequency with a Register ...................................................
3.2.6
Operating Modes and Frequency Ranges.............................................................
3.2.7
Notes on Board Design.........................................................................................
49
54
60
60