UPD78F9500MA-CAC-A Datasheet, PDF (10/342 Pages) Renesas Technology Corp – 8-Bit Single-Chip Microcontrollers

CONTENTS
CHAPTER 1 OVERVIEW.........................................................................................................................14
1.1 Features .........................................................................................................................................14
1.2 Ordering Information....................................................................................................................15
1.3 Pin Configuration (Top View) ......................................................................................................16
1.3.1 μPD78F920x .....................................................................................................................................16
1.3.2 μPD78F950x .....................................................................................................................................16
1.4 78K0S/Kx1+ Product Lineup........................................................................................................17
1.5 Block Diagram...............................................................................................................................18
1.5.1 μPD78F920x .....................................................................................................................................18
1.5.2 μPD78F950x .....................................................................................................................................19
1.6 Functional Outline ........................................................................................................................20
CHAPTER 2 PIN FUNCTIONS ...............................................................................................................21
2.1 Pin Function List...........................................................................................................................21
2.1.1 μPD78F920x .....................................................................................................................................21
2.1.2 μPD78F950x .....................................................................................................................................23
2.2 Pin Functions ................................................................................................................................24
2.2.1 P20 to P23 (Port 2)............................................................................................................................24
2.2.2 P32 and P34 (Port 3).........................................................................................................................25
2.2.3 P40 and P43 (Port 4).........................................................................................................................25
2.2.4 RESET ..............................................................................................................................................25
2.2.5 X1 and X2 (μPD78F920x) .................................................................................................................25
2.2.6 EXCLK (μPD78F950x) ......................................................................................................................26
2.2.7 VDD ....................................................................................................................................................26
2.2.8 VSS ....................................................................................................................................................26
2.3 Pin I/O Circuits and Connection of Unused Pins ......................................................................27
CHAPTER 3 CPU ARCHITECTURE ......................................................................................................29
3.1 Memory Space ..............................................................................................................................29
3.1.1 Internal program memory space........................................................................................................32
3.1.2 Internal data memory space ..............................................................................................................33
3.1.3 Special function register (SFR) area..................................................................................................33
3.1.4 Data memory addressing ..................................................................................................................33
3.2 Processor Registers.....................................................................................................................36
3.2.1 Control registers ................................................................................................................................36
3.2.2 General-purpose registers.................................................................................................................39
3.2.3 Special function registers (SFRs) ......................................................................................................40
3.3 Instruction Address Addressing.................................................................................................44
3.3.1 Relative addressing ...........................................................................................................................44
3.3.2 Immediate addressing .......................................................................................................................45
3.3.3 Table indirect addressing ..................................................................................................................45
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User’s Manual U18172EJ3V0UD