
8
μ
PD78361A, 78362A
TABLE OF CONTENTS
1.
PIN FUNCTIONS ......................................................................................................................
10
1.1
PORT PINS ..................................................................................................................................... 10
1.2
PINS OTHER THAN PORT PINS .................................................................................................. 11
1.3
PIN I/O CIRCUITS AND PROCESSING OF UNUSED PINS....................................................... 12
2.
CPU ARCHITECTURE .............................................................................................................
14
2.1
MEMORY SPACE........................................................................................................................... 14
2.2
DATA MEMORY ADDRESSING.................................................................................................... 16
2.3
PROCESSOR REGISTERS ........................................................................................................... 18
2.3.1
Control Registers................................................................................................................. 18
2.3.2
General-Purpose Registers ..................................................................................................19
2.3.3
Special Function Registers (SFR) ........................................................................................20
3.
FUNCTIONAL BLOCKS...........................................................................................................
26
3.1
EXECUTION UNIT (EXU)............................................................................................................... 26
3.2
BUS CONTROL UNIT (BCU)......................................................................................................... 26
3.3
ROM/RAM ....................................................................................................................................... 26
3.4
PORT FUNCTIONS ........................................................................................................................ 26
3.5
CLOCK GENERATOR CIRCUIT ................................................................................................... 28
3.6
REAL-TIME PULSE UNIT (RPU) .................................................................................................. 30
3.7
REAL-TIME OUTPUT PORT (RTP) .............................................................................................. 37
3.8
A/D CONVERTER .......................................................................................................................... 38
3.9
SERIAL INTERFACE ..................................................................................................................... 39
3.10 PWM UNIT ...................................................................................................................................... 41
3.11 WATCHDOG TIMER (WDT) .......................................................................................................... 42
4.
INTERRUPT FUNCTIONS .......................................................................................................
43
4.1
OUTLINE ......................................................................................................................................... 43
4.2
MACRO SERVICE .......................................................................................................................... 44
4.3
CONTEXT SWITCHING ................................................................................................................. 47
4.3.1
Context Switching Function by Interrupt Request ................................................................47
4.3.2
Context Switching Function by BRKCS Instruction ..............................................................48
4.3.3
Restoration from Context Switching .....................................................................................48
5.
STANDBY FUNCTIONS
...................................................................................................................... 49
6.
RESET FUNCTION...................................................................................................................
50
7.
INSTRUCTION SET..................................................................................................................
51
8.
EXAMPLE OF SYSTEM CONFIGURATION...........................................................................
65
9.
ELECTRICAL SPECIFICATIONS............................................................................................
66
10. PACKAGE DRAWING..............................................................................................................
75