MOS INTEGRATED CIRCUIT
8-BIT SINGLE-CHIP MICROCONTROLLER
µPD780306 and 780308 are products in the µPD780308 subseries within the 78K/0 series, which incorporates LCD
controller/driver, 8-bit resolution A/D converter, timer, serial interface, interrupt functions and many other peripheral
A one-time PROM product capable of operating in the same power supply voltage range as of the mask ROM product,
EPROM product, µPD78P0308, and other development tools are available.
For the details of functional description, refer to the following user’s manual.
µPD780308, 780308Y Subseries User’s Manual : U11377E
78K/0 Series User’s Manual (Instruction)
• Large on-chip ROM & RAM
Internal High-Speed RAM
Internal Extended RAM
LCD Display RAM
40 × 4 bits
• Minimum instruction execution time can be varied from high speed (0.4 µs) to ultra-low speed (122 µs)
• I/O ports: 57 (including segment signal output alternate-function pins)
• LCD controller/driver
VDD = 2.0 to 5.5 V (Operable in any mode)
• 8-bit resolution A /D converter : 8 channels
• Serial interface : 3 channels
• Timer: 5 channels
• Supply voltage : VDD = 2.0 to 5.5 V
Celullar phones, compact disk players, cameras, meters, etc.
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for availability
and additional information.
Document No. U11105EJ3V1DS00 (3rd edition)
Date Published June 2001 N CP(K)
Printed in Japan
The mark shows major revised points.