NEC PD750008 - Manual (Page 9)

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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 V
DD .........................................................................................................................................
16
2.2.17 V
SS .........................................................................................................................................
16
2.2.18 IC (for the µPD750004, µPD750006, and µPD750008 only) .................. 17
2.2.19 V
PP
(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