CHAPTER 1 INTRODUCTION
The function list of the 78K0/Kx1 is shown below.
Product Name
78K0/KB1
78K0/KC1
78K0/KD1
52 pins
78K0/KE1
64 pins
78K0/KF1
80 pins
Item
Number of pins
30 pins
44 pins
Internal
memory
(byte)
Mask ROM
8 K 16 K/
24 K
−
8 K/ 24 K/
16 K 32 K
−
8 K/ 24 K/
16 K 32 K
−
8 K/ 24 K/
−
48 K/
−
24 K/ 48 K/
32 K 60 K
−
16 K 32 K
60 K
Flash memory
RAM
−
24 K
−
32 K
−
32 K
1 K
DD = 2.7 to 5.5 V
<REGC pin connected to VDD
0.24 µs (8.38 MHz, when VDD = 3.3 to 5.5 V) 0.2 µs (10 MHz, when VDD = 4.0 to 5.5 V)
−
32 K
−
60 K
−
60 K
2 K
512
768
512
1 K
512
512
1 K
2 K
1 K
Supply voltage
V
Minimum instruction execution
time
0.2 µs (10 MHz, when VDD = 4.0 to 5.5 V)
>
0.4 µs (5 MHz, when VDD = 2.7 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 10 MHz
32.768 kHz
−
Sub
−
RC
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
4
19
26
38
54
8
1
−
1 ch
−
4
Timer
1 ch
2 ch
1 ch
2 ch
2 ch
1 ch
2 ch
1 ch
WDT
Serial
3-wire CSINote
1 ch
2 ch
1 ch
2 ch
1 ch
interface
Automatic transmit/
receive 3-wire CSI
−
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
16
19
17
20
Key return input
−
4 ch
8 ch
Reset
RESET pin
Provided
POC
2.85 V 0.15 V/3.5 V 0.20 V (selectable by a mask option)
LVI
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
Multiplier/divider
−
Clock output
Provided
−
16 bits × 16 bits, 32 bits ÷ 16 bits
ROM correction
−
Provided
−
Standby function
HALT/STOP mode
Operating ambient temperature Standard products, special grade (A) products: −40 to +85°C
Special grade (A1) products: −40 to +110°C (mask ROM version), −40 to +105°C (flash memory version)
Special grade (A2) products: −40 to +125°C (mask ROM version)
Note If the pin is an alternate-function pin, either function is selected for use.
23
User’s Manual U16890EJ1V0UD
NEC [ NEC ]
