
4
m
PD750064, 750066, 750068, 750064(A), 750066(A), 750068(A)
CONTENTS
1.
PIN CONFIGURATION (Top View)..................................................................................................... 6
2.
BLOCK DIAGRAM .............................................................................................................................. 7
3.
PIN FUNCTION ................................................................................................................................... 8
3.1
Port Pins .................................................................................................................................... 8
3.2
Non-port Pins........................................................................................................................... 10
3.3
Pin Input/Output Circuits ........................................................................................................ 12
3.4
Recommended Connections for Unused Pins...................................................................... 15
4.
SWITCHING FUNCTION BETWEEN Mk I MODE AND Mk II MODE ............................................... 16
4.1
Differences between Mk I Mode and Mk II Mode................................................................... 16
4.2
Setting Method of Stack Bank Select Register (SBS) .......................................................... 17
5.
MEMORY CONFIGURATION............................................................................................................ 18
6.
PERIPHERAL HARDWARE FUNCTION .......................................................................................... 23
6.1
Port ........................................................................................................................................... 23
6.2
Clock Generator ...................................................................................................................... 23
6.3
Subsystem Clock Oscillator Control Function ..................................................................... 25
6.4
Clock Output Circuit ............................................................................................................... 26
6.5
Basic Interval Timer/Watchdog Timer ................................................................................... 27
6.6
Watch Timer............................................................................................................................. 28
6.7
Timer/Event Counter ............................................................................................................... 29
6.8
Serial Interface......................................................................................................................... 32
6.9
A/D Converter .......................................................................................................................... 33
6.10 Bit Sequential Buffer............................................................................................................... 34
7.
INTERRUPT FUNCTION AND TEST FUNCTION............................................................................. 35
8.
STANDBY FUNCTION ...................................................................................................................... 37
9.
RESET FUNCTION ........................................................................................................................... 38
10. MASK OPTION.................................................................................................................................. 41
11. INSTRUCTION SET .......................................................................................................................... 42
12. ELECTRICAL SPECIFICATIONS ..................................................................................................... 55
13. CHARACTERISTIC CURVES (FOR REFERECNCE ONLY)............................................................ 68
14. PACKAGE DRAWINGS .................................................................................................................... 70
15. RECOMMENDED SOLDERING CONDITIONS ................................................................................ 72