CHAPTER 1 OUTLINE
Preliminary User’s Manual U16846EJ1V0UD
19
The list of functions in the 78K0/Kx1 is shown below.
Part Number
Item
78K0/KB1+ 78K0/KC1 78K0/KD1
78K0/KE1
78K0/KF1
Number of pins
30 pins
44 pins
52 pins
64 pins
80 pins
Mask ROM
8 K 16 K/
24 K
−
8 K/
16 K
24 K/
32 K
−
8 K/
16 K
24 K/
32 K
−
8 K/
16 K
24 K/
32 K
−
48 K/
60 K
−
24 K/
32 K
48 K/
60 K
−
Flash memory
−
24 K
−
32 K
−
32 K
−
32 K
−
60 K
−
60 K
Internal
memory
(bytes)
RAM
512
768
512
1 K
512
1 K
512
1 K
2 K
1 K
2 K
Power supply voltage
V
DD
= 2.7 to 5.5 V
Minimum instruction execution time
0.2
µ
s (when 10 MHz, V
DD
=
4.0 to 5.5 V)
0.24
µ
s (when 8.38 MHz, V
DD
=
3.3 to 5.5 V)
0.4
µ
s (when 5 MHz, V
DD
= 2.7
to 5.5 V)
<Connect REGC pin to V
DD
>
0.2
µ
s (when 10 MHz, V
DD
= 4.0 to 5.5 V)
0.24
µ
s (when 8.38 MHz, V
DD
= 3.3 to 5.5 V)
0.4
µ
s (when 5 MHz, V
DD
= 2.7 to 5.5 V)
X1 input
2 to 10 MHz
Subclock
−
32.768 kHz
Clock
Ring-OSC 240
kHz
(TYP.)
CMOS I/O
17
19
26
38
54
CMOS input
4
8
CMOS output
1
Port
N-ch open-drain I/O
−
4
16 bits (TM0)
1 ch
2 ch
1 ch
2 ch
8 bits (TM5)
1 ch
2 ch
8 bits (TMH)
2 ch
For watch
−
1 ch
Timer
WDT 1
ch
3-wire CSI
Note
1 ch
2 ch
1 ch
2 ch
Automatic transmit/
receive 3-wire CSI
−
1 ch
UART
Note
−
1 ch
Serial
interface
UART supporting LIN-bus
1 ch
10-bit A/D converter
4 ch
8 ch
External 6
7
8
9
9
Interrupt
Internal 11
12
15
16
19
17
20
Key return input
−
4 ch
8 ch
RESET pin
Provided
POC 2.85
V
±
0.15 V/3.5 V
±
0.20 V (selectable by option byte)
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
Provided
Reset
WDT Provided
Clock output/buzzer output
−
Clock output
only
Provided
Multiplier/divider
−
16 bits
×
16 bits, 32 bits
÷
16 bits
ROM correction
−
Provided
−
Standby function
HALT/STOP mode
Operating ambient temperature
Standard products, special (A) products:
−
40 to +85
°
C
Special (A1) products:
−
40 to +110
°
C (mask ROM version),
−
40 to +105
°
C (flash memory version)
Special (A2) products:
−
40 to +125
°
C (mask ROM version)
Note Select either of the functions of these alternate-function pins.
