
4
m
PD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)
CONTENTS
1.
PIN CONFIGURATION (TOP VIEW) ........................................................................................
6
2.
BLOCK DIAGRAM.....................................................................................................................
8
3.
PIN FUNCTIONS........................................................................................................................
3.1
PORT PINS......................................................................................................................................
3.2
NON-PORT PINS ............................................................................................................................
3.3
PIN INPUT/OUTPUT CIRCUITS.....................................................................................................
3.4
CONNECTION OF UNUSED PINS ................................................................................................
9
9
10
11
13
4.
Mk
I
MODE/Mk
II
MODE SWITCH FUNCTION .......................................................................
4.1
DIFFERENCES BETWEEN Mk
I
MODE AND Mk
II
MODE ........................................................
4.2
SETTING OF THE STACK BANK SELECTION REGISTER (SBS) ............................................
14
14
15
5.
MEMORY CONFIGURATION....................................................................................................
16
6.
PERIPHERAL HARDWARE FUNCTIONS ...............................................................................
6.1
DIGITAL I/O PORTS .......................................................................................................................
6.2
CLOCK GENERATOR ....................................................................................................................
6.3
CONTROL FUNCTIONS OF SUBSYSTEM CLOCK OSCILLATOR............................................
6.4
CLOCK OUTPUT CIRCUIT ............................................................................................................
6.5
BASIC INTERVAL TIMER/WATCHDOG TIMER...........................................................................
6.6
CLOCK TIMER ................................................................................................................................
6.7
TIMER/EVENT COUNTER..............................................................................................................
6.8
SERIAL INTERFACE ......................................................................................................................
6.9
BIT SEQUENTIAL BUFFER ...........................................................................................................
21
21
21
23
24
25
26
27
30
32
7.
INTERRUPT FUNCTIONS AND TEST FUNCTIONS ...............................................................
33
8.
STANDBY FUNCTION...............................................................................................................
35
9.
RESET FUNCTION ....................................................................................................................
36
10. MASK OPTION ..........................................................................................................................
39
11. INSTRUCTION SET ...................................................................................................................
40
12. ELECTRICAL CHARACTERISTICS .........................................................................................
53
13. CHARACTERISTIC CURVE (REFERENCE VALUES)............................................................
67