NEC PD750004, PD750006, PD750008, PD75P0016 CONTENTS

- i -

CONTENTS

CHAPTER 1 GENERAL ......................................................................................................................... 1

1.1 FUNCTION OVERVIEW ......................................................................................... 2

1.2 ORDERING INFORMATION................................................................................... 3

1.3 DIFFERENCES AMONG SUBSERIES PRODUCTS............................................. 4

1.4 BLOCK DIAGRAM .................................................................................................. 5

1.5 PIN CONFIGURATION (TOP VIEW) ..................................................................... 6

CHAPTER 2 PIN FUNCTIONS .............................................................................................................. 9

2.1 PIN FUNCTIONS OF THE µPD750008 ................................................................. 9

2.2 PIN FUNCTIONS .................................................................................................... 12

2.2.1 P00-P03 (PORT0)...................................................................................... 12

P10-P13 (PORT1)...................................................................................... 12

2.2.2 P20-P23 (PORT2)...................................................................................... 13

P30-P33 (PORT3)...................................................................................... 13

P40-P43 (PORT4), P50-P53 (PORT5) ..................................................... 13

P60-P63 (PORT6), P70-P73 (PORT7) ..................................................... 13

2.2.3 P80, P81 (PORT8)..................................................................................... 13

2.2.4 TI0 .............................................................................................................. 13

2.2.5 PTO0, PTO1 .............................................................................................. 13

2.2.6 PCL............................................................................................................. 14

2.2.7 BUZ ............................................................................................................ 14

2.2.8 SCK, SO/SB0, SI/SB1 ............................................................................... 14

2.2.9 INT4............................................................................................................ 14

2.2.10 INT0, INT1 ................................................................................................ 14

2.2.11 INT2 .......................................................................................................... 15

2.2.12 KR0-KR3................................................................................................... 15

KR4-KR7................................................................................................... 15

2.2.13 X1, X2 ....................................................................................................... 15

2.2.14 XT1, XT2................................................................................................... 16

2.2.15 RESET ...................................................................................................... 16

2.2.16 VDD......................................................................................................................................... 16

2.2.17 VSS ......................................................................................................................................... 16

2.2.18 IC (for the µPD750004, µPD750006, and µPD750008 only).................. 17

2.2.19 VPP (for the µPD75P0016 only)............................................................... 17

2.2.20 MD0-MD3 (for the µPD75P0016 only)..................................................... 17

2.3 PIN INPUT/OUTPUT CIRCUITS ............................................................................ 18

2.4 CONNECTION OF UNUSED PINS ........................................................................ 20