UPD78F9502MA-CAC-A NEC, UPD78F9502MA-CAC-A Datasheet - Page 8
UPD78F9502MA-CAC-A
Manufacturer Part Number
UPD78F9502MA-CAC-A
Description
8BIT MCU, 4K FLASH, 128B RAM, SMD
Manufacturer
NEC
Datasheet
1.UPD78F9502MA-CAC-A.pdf
(229 pages)
Specifications of UPD78F9502MA-CAC-A
Controller Family/series
UPD78F
No. Of I/o's
8
Ram Memory Size
128Byte
Cpu Speed
10MHz
No. Of Timers
2
No. Of Pwm
RoHS Compliant
Core Size
8bit
Program Memory Size
4KB
Oscillator Type
External, Internal
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CHAPTER 1 OVERVIEW.........................................................................................................................13
CHAPTER 2 PIN FUNCTIONS ...............................................................................................................19
CHAPTER 3 CPU ARCHITECTURE ......................................................................................................23
8
1.1 Features .........................................................................................................................................13
1.2 Ordering Information....................................................................................................................14
1.3 Pin Configuration (Top View) ......................................................................................................15
1.4 78K0S/Kx1+ Product Lineup........................................................................................................16
1.5 Block Diagram...............................................................................................................................17
1.6 Functional Outline ........................................................................................................................18
2.1 Pin Function List...........................................................................................................................19
2.2 Pin Functions ................................................................................................................................20
2.3 Pin I/O Circuits and Connection of Unused Pins ......................................................................22
3.1 Memory Space ..............................................................................................................................23
3.2 Processor Registers.....................................................................................................................30
3.3 Instruction Address Addressing.................................................................................................38
3.4 Operand Address Addressing.....................................................................................................41
2.2.1 P20 to P23 (Port 2)............................................................................................................................20
2.2.2 P32 and P34 (Port 3).........................................................................................................................21
2.2.3 P40 and P43 (Port 4).........................................................................................................................21
2.2.4 RESET ..............................................................................................................................................21
2.2.5 V
2.2.6 V
3.1.1 Internal program memory space........................................................................................................26
3.1.2 Internal data memory space ..............................................................................................................27
3.1.3 Special function register (SFR) area..................................................................................................27
3.1.4 Data memory addressing ..................................................................................................................27
3.2.1 Control registers ................................................................................................................................30
3.2.2 General-purpose registers.................................................................................................................33
3.2.3 Special function registers (SFRs) ......................................................................................................34
3.3.1 Relative addressing ...........................................................................................................................38
3.3.2 Immediate addressing .......................................................................................................................39
3.3.3 Table indirect addressing ..................................................................................................................39
3.3.4 Register addressing...........................................................................................................................40
3.4.1 Direct addressing ..............................................................................................................................41
3.4.2 Short direct addressing......................................................................................................................42
3.4.3 Special function register (SFR) addressing .......................................................................................43
3.4.4 Register addressing...........................................................................................................................44
3.4.5 Register indirect addressing ..............................................................................................................45
3.4.6 Based addressing..............................................................................................................................46
DD
SS
....................................................................................................................................................21
....................................................................................................................................................21
Preliminary User’s Manual U18681EJ1V0UD
CONTENTS
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