UPD78F9234MC-5A4-A Datasheet, PDF (10/419 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

CONTENTS
CHAPTER 1 OVERVIEW.........................................................................................................................14
1.1 Features .........................................................................................................................................14
1.2 Ordering Information....................................................................................................................15
1.3 Pin Configuration (Top View) ......................................................................................................16
1.4 78K0S/Kx1+ Product Lineup........................................................................................................18
1.5 Block Diagram...............................................................................................................................19
1.6 Functional Outline ........................................................................................................................20
CHAPTER 2 PIN FUNCTIONS ...............................................................................................................21
2.1 Pin Function List...........................................................................................................................21
2.2 Pin Functions ................................................................................................................................23
2.2.1 P00 to P03 (Port 0)............................................................................................................................23
2.2.2 P20 to P23 (Port 2)............................................................................................................................23
2.2.3 P30 to P34 (Port 3)............................................................................................................................23
2.2.4 P40 to P47 (Port 4)............................................................................................................................24
2.2.5 P120 to P123 (Port 12)......................................................................................................................24
2.2.6 P130 (Port 13) ...................................................................................................................................24
2.2.7 RESET ..............................................................................................................................................24
2.2.8 X1 and X2..........................................................................................................................................25
2.2.9 AVREF.................................................................................................................................................25
2.2.10 AVSS ................................................................................................................................................25
2.2.11 VDD ..................................................................................................................................................25
2.2.12 VSS...................................................................................................................................................25
2.3 Pin I/O Circuits and Connection of Unused Pins ......................................................................26
CHAPTER 3 CPU ARCHITECTURE ......................................................................................................28
3.1 Memory Space ..............................................................................................................................28
3.1.1 Internal program memory space........................................................................................................30
3.1.2 Internal data memory space ..............................................................................................................30
3.1.3 Special function register (SFR) area..................................................................................................31
3.1.4 Data memory addressing ..................................................................................................................31
3.2 Processor Registers.....................................................................................................................33
3.2.1 Control registers ................................................................................................................................33
3.2.2 General-purpose registers.................................................................................................................36
3.2.3 Special function registers (SFRs) ......................................................................................................37
3.3 Instruction Address Addressing.................................................................................................42
3.3.1 Relative addressing ...........................................................................................................................42
3.3.2 Immediate addressing .......................................................................................................................43
3.3.3 Table indirect addressing ..................................................................................................................43
3.3.4 Register addressing...........................................................................................................................44
3.4 Operand Address Addressing.....................................................................................................45
3.4.1 Direct addressing ..............................................................................................................................45
3.4.2 Short direct addressing......................................................................................................................46
3.4.3 Special function register (SFR) addressing .......................................................................................47
3.4.4 Register addressing...........................................................................................................................48
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User’s Manual U17446EJ5V0UD