CHAPTER 1 GENERAL
User’s Manual U15331EJ4V1UD 33
Series for ASSP
Timer VDD Function
Subseries Name
ROM
Capacity 8-Bit 16-Bit Watc
h
WDT
8-Bit
A/D
10-Bit
A/D
Serial
Interface
I/O
MIN.
Value
Remarks
USB
µ
PD789800
8 KB 2 ch − − 1 ch − − 2 ch
(USB: 1 ch)
31 4.0 V −
Inverter
control
µ
PD789842
8 KB to 16 KB 3 ch Note 1 1 ch 1 ch 8 ch − 1 ch
(UART: 1 ch)
30 4.0 V −
µ
PD789852
24 KB to
32 KB
3 ch − 8 ch 3 ch
(UART: 2 ch)
31 On-chip bus
controller
µ
PD789850A
16 KB 1 ch
1 ch − 1 ch
4 ch − 2 ch
(UART: 1 ch)
18
4.0 V −
µ
PD789861
RC oscillation
version, on-
chip EEPROM
µ
PD789860
4 KB 2 ch − − 14 Keyless
entry
µ
PD789862
16 KB 1 ch 2 ch
− 1 ch − −
1 ch
(UART: 1 ch)
22
1.8 V
On-chip
EEPROM
µ
PD789864
On-chip
EEPROM
Sensor
µ
PD789863
4 KB 1 ch Note 2 − 1 ch − 4 ch − 5 1.9 V
RC oscillation
version, on-
chip EEPROM
VFD drive
µ
PD789871
4 KB to 8 KB 3 ch − 1 ch 1 ch − − 1 ch 33 2.7 V −
Meter
control
µ
PD789881
16 KB 2 ch 1 ch − 1 ch − − 1 ch
(UART: 1 ch)
28 2.7 VNote
3
−
Notes 1. 10-bit timer: 1 channel
2. 12-bit timer: 1 channel
3. Flash memory version: 3.0 V