– i –
CONTENTS
CHAPTER 1
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
OUTLINE.....................................................................................................................
Features .............................................................................................................................
Applications ......................................................................................................................
Ordering Information ........................................................................................................
Quality Grade ....................................................................................................................
Pin Configuration (Top View) ...........................................................................................
78K/0 Series Development...............................................................................................
Block Diagram...................................................................................................................
Outline of Function ...........................................................................................................
Differences between the
μ
PD78081, 78082 and 78P083, the
μ
PD78081(A), 78082(A)
and 78P083(A), and the
μ
PD78081(A2) ...........................................................................
1
1
2
2
3
4
9
11
12
13
CHAPTER 2
2.1
PIN FUNCTION...........................................................................................................
Pin Function List...............................................................................................................
2.1.1
Normal operating mode pins ...............................................................................................
2.1.2
PROM programming mode pins (
μ
PD78P083 only)............................................................
Description of Pin Functions ...........................................................................................
2.2.1
P00 to P03 (Port 0) ..............................................................................................................
2.2.2
P10 to P17 (Port 1) ..............................................................................................................
2.2.3
P30 to P37 (Port 3) ..............................................................................................................
2.2.4
P50 to P57 (Port 5) ..............................................................................................................
2.2.5
P70 to P72 (Port 7) ..............................................................................................................
2.2.6
P100 to P101 (Port 10) ........................................................................................................
2.2.7
AV
REF
..................................................................................................................................
2.2.8
AV
DD
....................................................................................................................................
2.2.9
AV
SS
....................................................................................................................................
2.2.10
RESET.................................................................................................................................
2.2.11
X1 and X2 ............................................................................................................................
2.2.12
V
DD
......................................................................................................................................
2.2.13
V
SS
......................................................................................................................................
2.2.14
V
PP
(
μ
PD78P083 only).........................................................................................................
2.2.15
IC (Mask ROM version only)................................................................................................
2.2.16
NC (44-pin plastic QFP versions only).................................................................................
Pin Input/Output Circuits and Recommended Connection of Unused Pins ...............
15
15
15
16
17
17
17
18
18
19
19
20
20
20
20
20
20
20
20
21
21
22
2.2
2.3
CHAPTER 3
3.1
CPU ARCHITECTURE................................................................................................
Memory Spaces.................................................................................................................
3.1.1
Internal program memory space..........................................................................................
3.1.2
Internal data memory space ................................................................................................
3.1.3
Special Function Register (SFR) area .................................................................................
3.1.4
Data memory addressing ....................................................................................................
Processor Registers .........................................................................................................
3.2.1
Control registers ..................................................................................................................
3.2.2
General registers .................................................................................................................
25
25
28
29
29
29
33
33
36
3.2