UPD17073 NEC, UPD17073 Datasheet - Page 8
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UPD17073
Manufacturer Part Number
UPD17073
Description
4-BIT SINGLE-CHIP MICROCONTROLLER WITH HARDWARE FOR DIGITAL TUNING SYSTEM
Manufacturer
NEC
Datasheet
1.UPD17073.pdf
(226 pages)
- Current page: 8 of 226
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1. PIN FUNCTION .................................................................................................................................. 12
2. PROGRAM MEMORY (ROM) ........................................................................................................... 20
3. ADDRESS STACK (ASK) ................................................................................................................. 23
4. DATA MEMORY (RAM) ..................................................................................................................... 26
5. SYSTEM REGISTER (SYSREG) ...................................................................................................... 32
6. GENERAL REGISTERS (GR) ........................................................................................................... 38
7. ALU (ARITHMETIC LOGIC UNIT) BLOCK ....................................................................................... 40
8
1.1
1.2
1.3
1.4
2.1
2.2
2.3
2.4
2.5
3.1
3.2
3.3
3.4
3.5
4.1
4.2
4.3
4.4
5.1
5.2
5.3
5.4
5.5
6.1
6.2
6.3
7.1
7.2
7.3
7.4
Pin Function List ...................................................................................................................................... 12
Equivalent Circuits of Pins ....................................................................................................................... 15
Processing of Unused Pins ..................................................................................................................... 18
Notes on Using CE Pin ............................................................................................................................ 19
General ..................................................................................................................................................... 20
Program Memory ..................................................................................................................................... 21
Program Counter ...................................................................................................................................... 21
Execution Flow of Program Memory ....................................................................................................... 22
Notes on Using Program Memory ........................................................................................................... 22
General ..................................................................................................................................................... 23
Address Stack Register (ASR) ................................................................................................................ 23
Stack Pointer (SP) ................................................................................................................................... 24
Operations of Address Stack ................................................................................................................... 25
Notes on Using Address Stack ................................................................................................................ 25
General ..................................................................................................................................................... 26
Configuration and Function of Data Memory .......................................................................................... 27
Addressing Data Memory ........................................................................................................................ 30
Notes on Using Data Memory ................................................................................................................. 31
General ..................................................................................................................................................... 32
Address Register (AR) ............................................................................................................................. 33
Bank Register (BANK) ............................................................................................................................. 35
Program Status Word (PSWORD) .......................................................................................................... 36
Notes on Using System Register ............................................................................................................ 37
Outline of General Registers ................................................................................................................... 38
Address Creation of General Register with Each Instruction ................................................................ 39
Notes on Using General Register ........................................................................................................... 39
General ..................................................................................................................................................... 40
Configuration and Function of Each Block ............................................................................................. 41
ALU Processing Instructions ................................................................................................................... 41
Notes on Using ALU ................................................................................................................................ 44
CONTENTS
PD17072,17073
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