CHAPTER 1 INTRODUCTION
The function list of the 78K0/Kx1+ is shown below.
Product Name
78K0/KB1+
78K0/KC1+
78K0/KD1+
78K0/KE1+
78K0/KF1+
Item
Number of pins
30 pins
44 pins
16 K/24 K 16 K
52 pins
64 pins
80 pins
Internal
memory
(byte)
Flash memory
8 K
24 K/32 K 16 K
24 K/32 K 16 K 24 K/ 48 K/ 60 K
32 K 60 K
RAM
512
768
512
1 K
512
1 K
512
1 K
2 K
2 K
Supply voltage
VDD = 2.7 to 5.5 V
Minimum instruction execution
time
0.125 µs (16 MHz, when VDD = 4.0 to 5.5 V)
0.24 µs (8.38 MHz, when VDD = 3.3 to 5.5 V)
0.4 µs (5 MHz, when VDD = 2.7 to 5.5 V)
Clock
Port
X1 input
2 to 16 MHz
RC
3 to 4 MHz (VDD = 2.7 to 5.5 V)
−
Sub
−
32.768 kHz
Ring-OSC
CMOS I/O
CMOS input
CMOS output
N-ch open-drain I/O
16-bit (TM0)
8-bit (TM5)
8-bit (TMH)
Watch
240 kHz (TYP.)
17
19
8
26
38
54
4
1
−
4
Timer
1 ch
2 ch
1 ch
−
2 ch
2 ch
1 ch
WDT
1 ch
1 ch
Serial
3-wire CSINote
2 ch
interface
Automatic transmit/
receive 3-wire CSI
−
1 ch
UARTNote
−
1 ch
UART supporting
LIN-bus
1 ch
10-bit A/D converter
Interrupt External
Internal
4 ch
6
8 ch
7
8
9
9
11
12
15
15
8 ch
16
19
20
Key return input
−
4 ch
Reset
RESET pin
Provided
POC
2.1 V 0.1 V (detection voltage fixed)
LVI
2.35 V/2.6 V/2.85 V/3.1 V/3.3 V 0.15 V/3.5 V/3.7 V/3.9 V/4.1 V/4.3 V 0.2 V (selectable by software)
Clock monitor
WDT
Provided
Provided
Clock output/buzzer output
External bus interface
Multiplier/divider
−
Clock output only
Provided
−
Provided
−
16 bits × 16 bits, 32 bits ÷ 16 bits
ROM correction
−
−
Provided
Self programming function
On-chip debug function
Standby function
Provided
Function provided only in µPD78F0114HD, 78F0124HD, 78F0138HD, and 78F0148HD
HALT/STOP mode
Operating ambient temperature −40 to +85°C
Note If the pin is an alternate-function pin, either function is selected for use.
22
User’s Manual U16890EJ1V0UD
NEC [ NEC ]
