NEC switch User Manual
Page 24

CHAPTER 1 GENERAL
User’s Manual U12978EJ3V0UD
24
The major differences between subseries are shown below.
Series for General-Purpose and LCD Drive
Timer
V
DD
Function
Subseries
ROM
Capacity
(Bytes)
8-Bit 16-Bit Watch WDT
8-Bit
A/D
10-Bit
A/D
Serial Interface
I/O
MIN.Value
Remarks
µPD789046
16 K
1 ch
µPD789026
4 K to 16 K
1 ch
34
µPD789088
16 K to 32 K 3 ch
µPD789074
2 K to 8 K
1 ch
1 ch
24
µPD789014
2 K to 4 K
2 ch
−
−
1 ch
−
−
1 ch (UART: 1ch)
22
1.8 V
−
Small-
scale
package,
general-
purpose
applica-
tions
µPD789062
4 K
−
14
RC-oscillation
version
µPD789052
−
µPD789177
−
8 ch
µPD789167
16 K to 24 K 3 ch
1 ch
8 ch
−
31
−
µPD789156
−
4 ch
µPD789146
8 K to 16 K
4 ch
−
On-chip
EEPROM
µPD789134A
−
4 ch
µPD789124A
4 ch
−
RC-oscillation
version
µPD789114A
−
4 ch
Small-
scale
package,
general-
purpose
applica-
tions +
A/D
converter
µPD789104A
2 K to 8 K
1 ch
1 ch
−
1ch
4 ch
−
1 ch (UART: 1ch)
20
1.8 V
−
µPD789835
24 K to 60 K 6 ch
−
3 ch
37
1.8 V
Note
µPD789830
24 K
1 ch
−
1 ch (UART: 1ch)
30
2.7 V
Dot LCD
supported
µPD789489
32 K to 48 K
−
8 ch
µPD789479
24 K to 48 K
8 ch
−
2 ch (UART: 1ch)
45
µPD789417A
−
7 ch
LCD
drive
µPD789407A
12 K to 24 K
3 ch
1 ch
1 ch
1 ch
7 ch
−
1 ch (UART: 1ch)
43
1.8 V
−
µPD789456
−
6 ch
µPD789446
6 ch
−
30
µPD789436
−
6 ch
µPD789426
12 K to 16 K
6 ch
40
µPD789316
RC-oscillation
version
µPD789306
8 K to 16 K
−
2 ch (UART: 1ch)
23
µPD789467
1 ch
−
18
µPD789327
4 K to 24 K
2 ch
−
−
−
1 ch
21
−
Note Flash memory version: 3.0 V