PRELIMINARY PRODUCT INFORMATION
MOS INTEGRATED CIRCUIT
µPD780076, 780078, 780076Y, 780078Y
8-BIT SINGLE-CHIP MICROCONTROLLERS
DESCRIPTION
The µPD780076 and 780078 are products in the µPD780078 subseries within the 78K/0 series. They are based
on the existing µPD780034A subseries, with an enhanced timer and serial interface and greater ROM and RAM
capacities.
The µPD780076Y and 780078Y are products based on the µPD780078, with an I2C bus interface supporting
multimaster.
A flash memory version, the µPD78F0078 and 78F0078Y, and various development tools are available.
Detailed function descriptions are provided in the following user’s manuals. Be sure to read them before
designing.
µPD780076, 780078, 780076Y, 780078Y Subseries User's Manual : U14260E (On preparation)
78K/0 Series User’s Manual – Instructions
: U12326E
FEATURES
•
Internal large capacity ROM and RAM
Item Program Memory
Data Memory
Package
Internal ROM
Part Number
Internal High-
Internal Expansion
RAM
Speed RAM
µPD780076, 780076Y
µPD780078, 780078Y
48 Kbytes
60 Kbytes
1024 bytes
1024 bytes
• 64-pin plastic QFP (14 × 14 mm)
• 64-pin plastic LQFP (12 × 12 mm)
•
•
•
•
Minimum instruction execution time: 0.24 µs (at fX = 8.38-MHz operation)
I/O ports: 52 (N-ch open-drain 5-V withstand voltage: 4)
10-bit resolution A/D converter: 8 channels
Serial interface: 3 channels (µPD780078 subseries)
4 channels (µPD780078Y subseries)
•
•
Timer: 6 channels
Power supply voltage: VDD = 1.8 to 5.5 V
APPLICATIONS
Personal computers, air conditioners, dash boards, air bags, car audios, etc.
The information contained in this document is being issued in advance of the production cycle for the
device. The parameters for the device may change before final production or NEC Corporation, at its own
discretion, may withdraw the device prior to its production.
Not all devices/types available in every country. Please check with local NEC representative for availability
and additional information.
Document No. U14259EJ1V0PM00 (1st edition)
Date Published June 1999 N CP(K)
Printed in Japan
1999
©