
7
μ
PD17704, 17705, 17707, 17708, 17709
TABLE OF CONTESNTS
1.
PIN FUNCTIONS .............................................................................................................................. 11
1.1
Pin Function List .................................................................................................................. 11
1.2
Equivalent Circuits of Pins.................................................................................................. 16
1.3
Connections of Unused Pins .............................................................................................. 21
1.4
Cautions on Using CE, INT0 through INT4, and RESET Pins..........................................
1.5
Cautions on Using TEST Pin............................................................................................... 23
23
2.
PROGRAM MEMORY (ROM) .......................................................................................................... 24
2.1
Outline of Program Memory ................................................................................................ 24
2.2
Program Memory.................................................................................................................. 25
2.3
Program Counter.................................................................................................................. 26
2.4
Flow of Program................................................................................................................... 26
2.5
Cautions on Using Program Memory ................................................................................
29
3.
ADDRESS STACK (ASK) ................................................................................................................ 30
3.1
Outline of Address Stack..................................................................................................... 30
3.2
Address Stack Register (ASR) ............................................................................................ 30
3.3
Stack Pointer (SP) ................................................................................................................ 32
3.4
Operation of Address Stack ................................................................................................ 33
3.5
Cautions on Using Address Stack...................................................................................... 34
4.
DATA MEMORY (RAM) ................................................................................................................... 35
4.1
Outline of Data Memory ....................................................................................................... 35
4.2
Configuration and Function of Data Memory ...................................................................
4.3
Data Memory Addressing .................................................................................................... 42
4.4
Cautions on Using Data Memory ........................................................................................ 43
38
5.
SYSTEM REGISTERS (SYSREG) ................................................................................................... 44
5.1
Outline of System Registers ............................................................................................... 44
5.2
System Register List............................................................................................................ 45
5.3
Address Register (AR) ......................................................................................................... 46
5.4
Window Register (WR)......................................................................................................... 48
5.5
Bank Register (BANK) ......................................................................................................... 49
5.6
Index Register (IX) and Data Memory Row Address Pointer (MP: memory pointer) .... 50
5.7
General Register Pointer (RP)............................................................................................. 52
5.8
Program Status Word (PSWORD) ....................................................................................... 54
6.
GENERAL REGISTER (GR) ............................................................................................................ 56
6.1
Outline of General Register................................................................................................. 56
6.2
General Register .................................................................................................................. 56
6.3
Generating Address of General Register by Each Instruction........................................
6.4
Cautions on Using General Register .................................................................................
57
57