Datenblatt-Suchmaschine für elektronische Bauteile |
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BU21023GUL Datenblatt(PDF) 7 Page - Rohm |
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BU21023GUL Datenblatt(HTML) 7 Page - Rohm |
7 / 18 page Technical Note 7/17 www.rohm.com 2011.08 - Rev.A © 2011 ROHM Co., Ltd. All rights reserved. BU21023GUL,BU21023MUV,BU21024FV-M ● Block Diagram / Description of each block 【 BU21023GUL / BU21023MUV】 Screen I/F 4-wire resistive touch screen interface ADC 10bit 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 if downloading program memory from EEPROM. Use of external EEPROM is optional. Host I/F 4-wire SPI or 2-wire I 2C like interface provides access to registers Panel I/F Regulator OSC ADC (10bit) Filter CPU (8bit) Work Memory Program Memory EEPROM I/F Host I/F Register Clock Generator CLK_EXT XP ECL EDA SEL_CSB SCL_SCK SDA_SI SO INT YP XN YN IFSEL |
Ähnliche Teilenummer - BU21023GUL |
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Ähnliche Beschreibung - BU21023GUL |
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