– i –
CONTENTS
CHAPTER 1 OUTLINE ....................................................................................................................
1.1
Features ............................................................................................................................
1.2
Application Fields............................................................................................................
1.3
Ordering Information.......................................................................................................
1.4
Quality Grade ...................................................................................................................
1.5
Pin Configuration (Top View) ........................................................................................
1.6
78K/0 Series Expansion..................................................................................................
1.7
Block Diagram..................................................................................................................
1.8
Outline of Function .........................................................................................................
1.9
Mask Options ...................................................................................................................
1
1
2
2
2
3
6
8
9
10
CHAPTER 2 PIN FUNCTION ..........................................................................................................
2.1
Pin Function List .............................................................................................................
2.1.1
Normal operating mode pins .............................................................................................
2.1.2
PROM programming mode pins (
μ
PD78P048A only) .....................................................
2.2
Description of Pin Functions.........................................................................................
2.2.1
P00 to P04 (Port 0) ............................................................................................................
2.2.2
P10 to P17 (Port 1) ............................................................................................................
2.2.3
P20 to P27 (Port 2) ............................................................................................................
2.2.4
P30 to P37 (Port 3) ............................................................................................................
2.2.5
P70 to P74 (Port 7) ............................................................................................................
2.2.6
P80 and P81 (Port 8).........................................................................................................
2.2.7
P90 to P97 (Port 9) ............................................................................................................
2.2.8
P100 to P107 (Port 10)......................................................................................................
2.2.9
P110 to P117 (Port 11)......................................................................................................
2.2.10
P120 to P127 (Port 12)......................................................................................................
2.2.11
AV
REF
...................................................................................................................................
2.2.12
AV
DD
....................................................................................................................................
2.2.13
AV
SS
....................................................................................................................................
2.2.14
RESET ................................................................................................................................
2.2.15
X1 and X2 ...........................................................................................................................
2.2.16
XT1 and XT2 ......................................................................................................................
2.2.17
V
DD
.......................................................................................................................................
2.2.18
V
SS
.......................................................................................................................................
2.2.19
V
PP
(
μ
PD78P048A only) ....................................................................................................
2.2.20
IC (Mask ROM version only) .............................................................................................
2.3
Input/Output Circuit and Recommended Connection of Unused Pins...................
11
11
11
15
16
16
16
17
17
18
18
18
19
19
19
19
19
20
20
20
20
20
20
20
20
21
CHAPTER 3 CPU ARCHITECTURE ..............................................................................................
3.1
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...................................................................................................
3.2
Processor Registers........................................................................................................
27
27
32
33
33
34
39