Chapter 2 General ( Μ Pd789861 Subseries); Features; Applications; Ordering Information - NEC PD789860 User Manual

2.1 Features

• ROM and RAM capacity
Product Name
µ
PD789861
µ
PD78E9861A
• System clock: RC oscillation
• Minimum instruction execution time can be changed from high-speed (2.0
operation with system clock.
• I/O ports: 14
• Timer: 3 channels
8-bit timer:
•
Watchdog timer:
•
• On-chip power-on-clear circuit
• On-chip bit sequential buffer
• Power supply voltage: V
• Operating ambient temperature: T

2.2 Applications

Keyless entry and other automotive electrical equipment.

2.3 Ordering Information

Part Number
µ
PD789861MC-×××-5A4
µ
PD78E9861AMC-5A4
××× indicates ROM code suffix.
Remark
28
CHAPTER 2 GENERAL (
Item Program Memory
(ROM)
Mask ROM
EEPROM
2 channels
1 channel
= 1.8 to 3.6 V
DD
= −40 to +85°C
A
20-pin plastic SSOP (7.62 mm (300))
20-pin plastic SSOP (7.62 mm (300))
User's Manual U14826EJ5V0UD
µ
PD789861 SUBSERIES)
Internal High-Speed RAM
4 KB 128 bytes
4 KB
µ
Package
Data Memory
EEPROM
32 bytes
µ
s) to low-speed (8.0 s) at 1.0 MHz
Internal ROM
Mask ROM
EEPROM