CHAPTER 1 OUTLINE
Preliminary User’s Manual U16846EJ1V0UD
20
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
Flash memory
8 K 16 K/24 K 16 K 24 K/32 K 16 K 24 K/32 K 16 K 24 K/32 K 48 K/60 K
60 K
Internal
memory
(bytes)
RAM
512
768
512
1 K
512
1 K
512
1 K
2 K
2 K
Power supply voltage
V
DD
= 2.7 to 5.5 V (with Ring-OSC clock or subclock: V
DD
= 2.0 to 5.5 V
Note 1
)
Minimum instruction execution time
0.125
µ
s (when 16 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)
Crystal/ceramic
2 to 16 MHz
RC
3 to 4 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
Ports
N-ch open-drain I/O
−
4
16 bits (TM0)
1 ch
2 ch
8 bits (TM5)
2 ch
8 bits (TMH)
1 ch
2 ch
For watch
−
1 ch
Timer
WDT 1
ch
3-wire CSI
Note 2
1 ch
2 ch
Automatic transmit/
receive 3-wire CSI
−
1 ch
UART
Note 2
−
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
Interrupts
Internal 11
12 15
16
19
20
Key return input
−
4 ch
8 ch
RESET pin
Provided
POC 2.1
V
±
0.1 V (detection voltage is 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
Provided
Reset
WDT Provided
Clock output/buzzer output
−
Clock output
only
Provided
External bus interface
−
Provided
Multiplier/divider
−
16 bits
×
16 bits, 32 bits
÷
16 bits
ROM correction
−
Provided
−
Self-programming function
Provided
Product with on-chip debug
function
µ
PD78F0114HD, 78F0124HD, 78F0138HD, 78F0148HD
Standby function
HALT/STOP mode
Operating ambient temperature
T
A
=
−
40 to +85
°
C
Notes 1. Use the product in a voltage range of 2.2 to 5.5 V because the detection voltage (V
POC
) of the power-on-
clear (POC) circuit is 2.1 V
±
0.1 V.
2. Select either of the functions of these alternate-function pins.