UPD78F4938A

DATA SHEET MOS INTEGRATED CIRCUITS µPD78F4938A 16-BIT SINGLE-CHIP MICROCONTROLLER DESCRIPTION The µPD78F4938A is a product in the µPD784938A Subseries in the 78K/IV Series. The µPD78F4938A has flash memory in place of the internal ROM of the µPD784938A. The flash memory incorporated enables program writing or erasing with the microcontroller mounted on the target board. Detailed function descriptions are provided in the following user’s manuals. Be sure to read them before designing. µPD784938A Subseries User’s Manual Hardware: U13570E 78K/IV Series User’s Manual Instructions: U10905E FEATURES Pin-compatible with mask ROM version (except VPP pin) Flash memory: 256 KB Internal RAM: 10496 bytes 4 channels Serial interface: UART/IOE (3-wire serial I/O): 2 channels (on-chip baud rate generator) CSI (3-wire serial I/O): On-chip IEBusTM controller 2 channels Supply voltage: VDD = 4.0 to 5.5 V (@12.58 MHz operation) VDD = 3.0 to 5.5 V (@6.29 MHz operation) APPLICATION Car audio, etc. ORDERING INFORMATION Part Number Package 100-pin plastic QFP (14 × 20) Internal ROM 256 KB Internal RAM 10496 bytes µPD78F4938AGF-3BA 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. U14118EJ1V0DS00 Date Published March 2001 N CP(K)...