CONTENTS
CHAPTER 1 OUTLINE ............................................................................................................................ 18
1.1 Features ...................................................................................................................................... 18
1.2 Applications................................................................................................................................ 19
1.3 Ordering Information ................................................................................................................. 20
1.4 Pin Configuration (Top View).................................................................................................... 27
1.5 K1 Family Lineup........................................................................................................................ 29
1.5.1
1.5.2
78K0/Kx1 product lineup................................................................................................................ 29
V850ES/Kx1 product lineup........................................................................................................... 31
1.6 Block Diagram ............................................................................................................................ 33
1.7 Outline of Functions .................................................................................................................. 34
CHAPTER 2 PIN FUNCTIONS ............................................................................................................... 36
2.1 Pin Function List ........................................................................................................................ 36
2.2 Description of Pin Functions .................................................................................................... 40
2.2.1
2.2.2
2.2.3
2.2.4
2.2.5
2.2.6
2.2.7
2.2.8
2.2.9
P00 to P06 (port 0) ........................................................................................................................ 40
P10 to P17 (port 1) ........................................................................................................................ 41
P20 to P27 (port 2) ........................................................................................................................ 41
P30 to P33 (port 3) ........................................................................................................................ 42
P40 to P43 (port 4) ........................................................................................................................ 42
P50 to P53 (port 5) ........................................................................................................................ 42
P60 to P63 (port 6) ........................................................................................................................ 42
P70 to P77 (port 7) ........................................................................................................................ 42
P120 (port 12)................................................................................................................................ 43
2.2.10 P130 (port 13)................................................................................................................................ 43
2.2.11 P140 and P141 (port 14) ............................................................................................................... 43
2.2.12 AVREF ............................................................................................................................................ 43
2.2.13 AVSS .............................................................................................................................................. 43
2.2.14 RESET........................................................................................................................................... 44
2.2.15 REGC ............................................................................................................................................ 44
2.2.16 X1 and X2...................................................................................................................................... 44
2.2.17 XT1 and XT2.................................................................................................................................. 44
2.2.18 VDD and EVDD ................................................................................................................................ 44
2.2.19 VSS and EVSS ................................................................................................................................ 44
2.2.20 VPP (flash memory versions only) .................................................................................................. 44
2.2.21 IC (mask ROM versions only)........................................................................................................ 44
2.3 Pin I/O Circuits and Recommended Connection of Unused Pins......................................... 45
CHAPTER 3 CPU ARCHITECTURE ...................................................................................................... 49
3.1 Memory Space............................................................................................................................ 49
3.1.1
3.1.2
3.1.3
3.1.4
Internal program memory space.................................................................................................... 58
Internal data memory space .......................................................................................................... 59
Special function register (SFR) area.............................................................................................. 59
Data memory addressing............................................................................................................... 60
User’s Manual U16228EJ2V0UD
10
NEC [ NEC ]
