CHAPTER 1 GENERAL
The major functional differences among the subseries are listed below.
Function
VDD
ROM
Capacity
8-Bit 10-Bit
A/D A/D
Serial
Interface
8-Bit 16-Bit Watch WDT
I/O
Remarks
MIN.
Value
Subseries Name
µPD789046
16 K
1 ch 1 ch
1 ch
1 ch
−
−
1 ch (UART: 34 1.8 V
1 ch)
−
Small-scale
package,
general-
µPD789026
µPD789074
4 K to 16 K
2 K to 8 K
2 K to 4 K
−
24
22
purpose
applications µPD789014
Small-scale µPD789177
2 ch
−
16 K to 24 K 3 ch 1 ch
1 ch
−
8 ch
−
8 ch 1 ch (UART: 31
−
package,
general-
purpose
applications
and A/D
1 ch)
µPD789167
−
µPD789156
8 K to 16 K 1 ch
−
4 ch
−
20
On-chip
EEPROM
µPD789146
4 ch
−
µPD789134A 2 K to 8 K
µPD789124A
4 ch
−
RC-oscillation
version
converter
4 ch
−
µPD789114A
4 ch
−
−
µPD789104A
4 ch
Inverter
control
µPD789842
8 K to 16 K 3 ch Note 1 ch
1 ch 8 ch
−
1 ch (UART: 30 4.0 V
1 ch)
−
VFD drive µPD789871
LCD drive µPD789488
4 K to 8 K
32 K
3 ch
–
1 ch
1 ch
1 ch
1 ch
–
–
1 ch
33 2.7 V
–
3 ch 1 ch
−
8 ch 2 ch (UART: 45 1.8 V
1 ch)
−
µPD789417A 12 K to
7 ch 1 ch (UART: 43
24 K
1 ch)
µPD789407A
µPD789456
µPD789446
µPD789436
µPD789426
µPD789316
7 ch
–
−
12 K to
16 K
2 ch
6 ch
–
30
40
6 ch
–
6 ch
–
6 ch
–
8 K to 16 K
2 ch (UART: 23
1 ch)
RC-oscillation
version
µPD789306
–
Dot LCD
drive
µPD789835
24 K to
60 K
6 ch
–
1 ch
1 ch
1 ch 3 ch
–
–
1 ch (UART: 28 1.8 V
1 ch)
−
µPD789830
µPD789477
24 K
24 K
1 ch 1 ch
3 ch 1 ch
–
30 2.7 V
ASSP
1 ch 8 ch
2 ch (UART: 45 1.8 V On-chip LCD
1 ch)
µPD789467
µPD789327
µPD789800
4 K to 24 K 2 ch
–
1 ch
–
–
18
1 ch
21
8 K
−
2 ch (USB:
1 ch)
31 4.0 V
−
µPD789840
µPD789861
4 ch
1 ch
–
29 2.8 V
4 K
−
14 1.8 V RC-oscillation
version,
on-chip
EEPROM
µPD789860
On-chip
EEPROM
Note 10-bit timer: 1 channel
User’s Manual U15075EJ1V0UM00
31
NEC [ NEC ]
