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BU21024FV-E2 데이터시트(PDF) 4 Page - Rohm |
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BU21024FV-E2 데이터시트(HTML) 4 Page - Rohm |
4 / 20 page BU21023GUL BU21023MUV BU21024FV-M 4/16 Datasheet Datasheet TSZ02201-0L5L0F300190-1-2 © 2014 ROHM Co., Ltd. All rights reserved. 31.Mar.2014 Rev.003 www.rohm.com TSZ22111・15・001 BU21024FV-M Block Diagram and Description of each Block Screen I/F 4-wire or 8-wire resistive touch screen interface ADC 10-bit A/D converter OSC Internal 20MHz oscillator block with optional external clock input Regulator Internal regulator provides 1.8V DVDD supply. DVDD can also be supplied from an external source if DVDD_EXT pin is tied high. Clock Generator System clock and timing generation (10MHz CPU clock) CPU Core For dual touch processing, programmability and HOST interface Work Memory Data memory for CPU Program Memory Program memory for CPU. Code can be downloaded by HOST processor or from an external EEPROM EEPROM I/F To connect to external EEPROM when downloading program memory from EEPROM. Use of external EEPROM is optional. Host I/F 4-wire SPI or 2-wire I 2C interface provides access to registers |
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