– i –
TABLE OF CONTENTS
CHAPTER 1 GENERAL ...............................................................................................................
1.1
FEATURES ......................................................................................................................
1.2
ORDERING INFORMATION AND QUALITY GRADES...........................................
1.2.1
Ordering Information........................................................................................................
1.2.2
Quality Grades .................................................................................................................
1.3
PIN CONFIGURATION (TOP VIEW) ..........................................................................
1.3.1
Normal Operating Mode ..................................................................................................
1.3.2
PROM Programming Mode (V
PP
≥
+5 V/+12.5 V, RESET = L) ....................................
1.4
APPLICATION SYSTEM CONFIGURATION EXAMPLE (PPC) .............................
1.5
BLOCK DIAGRAM.........................................................................................................
1.6
LIST OF FUNCTIONS ..................................................................................................
1.7
DIFFERENCES BETWEEN
μ
PD784038 SUBSERIES AND
μ
PD784038Y SUBSERIES PRODUCTS .....................................................................
1.8
MAJOR DIFFERENCES WITH
μ
PD784026 SUBSERIES ..........................................
1
3
4
4
6
8
8
11
13
14
15
17
17
CHAPTER 2 PIN FUNCTIONS ....................................................................................................
2.1
PIN FUNCTION TABLES .............................................................................................
2.1.1
Normal Operating Mode ..................................................................................................
2.1.2
PROM Programming Mode (
μ
PD78P4038 Only: V
PP
≥
+5 V/+12.5 V, RESET = L) ...
2.2
PIN FUNCTIONS ............................................................................................................
2.2.1
Normal Operating Mode ..................................................................................................
2.2.2
PROM Programming Mode (
μ
PD78P4038)....................................................................
2.3
INPUT/OUTPUT CIRCUITS AND CONNECTION OF UNUSED PINS ..................
2.4
CAUTIONS.......................................................................................................................
19
19
19
23
24
24
32
33
36
CHAPTER 3 CPU ARCHITECTURE ...........................................................................................
3.1
MEMORY SPACE ..........................................................................................................
3.2
INTERNAL ROM AREA ...............................................................................................
3.3
BASE AREA ...................................................................................................................
3.3.1
Vector Table Area............................................................................................................
3.3.2
CALLT Instruction Table Area.........................................................................................
3.3.3
CALLF Instruction Entry Area .........................................................................................
3.4
INTERNAL DATA AREA..............................................................................................
3.4.1
Internal RAM Area ...........................................................................................................
3.4.2
Special Function Register (SFR) Area ...........................................................................
3.4.3
External SFR Area...........................................................................................................
3.5
EXTERNAL MEMORY SPACE ....................................................................................
3.6
μ
PD78P4038 MEMORY MAPPING .............................................................................
3.7
CONTROL REGISTERS ................................................................................................
3.7.1
Program Counter (PC).....................................................................................................
3.7.2
Program Status Word (PSW) ..........................................................................................
3.7.3
Use of RSS Bit.................................................................................................................
3.7.4
Stack Pointer (SP) ...........................................................................................................
3.8
GENERAL REGISTERS ................................................................................................
37
37
44
45
46
47
47
48
49
52
52
52
53
54
54
54
58
61
64