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Contents - 2
(1)
Program status word (PSW)..................................................................................... 2-17
(2)
Program counter (PC) .............................................................................................. 2-21
(3)
Local register base (LRB) ........................................................................................ 2-21
(4)
System stack pointer (SSP) ...................................................................................... 2-22
2.3.3
Pointing Register (PR) ............................................................................................. 2-23
2.3.4
Local Registers (R0 to R7, ER0 to ER3) ................................................................. 2-24
2.3.5
Segment Registers.................................................................................................... 2-25
(1)
Code segment register (CSR)................................................................................... 2-25
(2)
Table segment register (TSR) .................................................................................. 2-25
(3)
Data segment register (DSR) ................................................................................... 2-26
2.4
Addressing Modes............................................................................................................ 2-26
2.4.1
RAM Addressing ..................................................................................................... 2-26
(1)
Register addressing .................................................................................................. 2-27
(2)
Page addressing........................................................................................................ 2-29
(3)
Direct data addressing.............................................................................................. 2-32
(4)
Pointing register indirect addressing ........................................................................ 2-33
(5)
Special bit area addressing ....................................................................................... 2-40
2.4.2
ROM Addressing ..................................................................................................... 2-42
(1)
Immediate addressing .............................................................................................. 2-42
(2)
Table data addressing............................................................................................... 2-42
(3)
Program code addressing ......................................................................................... 2-44
(4)
ROM window addressing......................................................................................... 2-45
Chapter 3
CPU Control Functions
3.1
Overview............................................................................................................................ 3-1
3.2
Standby Functions.............................................................................................................. 3-1
3.2.1
Standby Function Registers ....................................................................................... 3-3
3.2.2
Description of Standby Function Registers................................................................ 3-3
(1)
Stop code acceptor (STPACP) ................................................................................... 3-3
(2)
Standby control register (SBYCON) ......................................................................... 3-4
3.2.3
Examples of Standby Function Register Settings ...................................................... 3-7
HALT mode setting ................................................................................................... 3-7
STOP mode setting .................................................................................................... 3-7
3.2.4
Operation of Each Standby Mode .............................................................................. 3-7
(1)
HALT mode ............................................................................................................... 3-7
(2)
STOP mode................................................................................................................ 3-8
3.3
Reset Function.................................................................................................................. 3-10
3.3.1
Reset Operation........................................................................................................ 3-11