Datenblatt-Suchmaschine für elektronische Bauteile |
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CAP1026-1-AP-TR Datenblatt(PDF) 9 Page - SMSC Corporation |
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CAP1026-1-AP-TR Datenblatt(HTML) 9 Page - SMSC Corporation |
9 / 70 page 6 Channel Capacitive Touch Sensor with 2 LED Drivers Datasheet SMSC CAP1026 9 Revision 1.1 (08-05-09) DATASHEET The pin types are described in detail below. All pins labeled with (5V) are 5V tolerant. APPLICATION NOTE: For the 5V tolerant pins that have a pull-up resistor, the pull-up voltage must not exceed 3.6V when the CAP1026 is unpowered. APPLICATION NOTE: The SPI_CS# pin should be grounded when SMBus, I2C, or BC-Link communications are used. 3 SMDATA / BC_DATA / SPI_MSIO / SPI_MISO SMDATA - Bi-directional, open-drain SMBus data - requires pull-up resistor DIOD (5V) BC_DATA - Bi-directional, open-drain BC-Link data - requires pull-up resistor DIO SPI_MSIO - SPI Master-Slave-In-Out bidirectional port when used in bi-directional mode DIO SPI_MISO - SPI Master-In-Slave-Out port when used in normal mode DO 4 SMCLK / BC_CLK / SPI_CLK SMCLK - SMBus clock input - requires pull-up resistor DI (5V) BC_CLK - BC-Link clock input DI (5V) SPI_CLK - SPI clock input DI (5V) 5LED1 Open drain LED 1 driver (default) OD (5V) Push-pull LED 1 driver DO 6LED2 Open drain LED 2 driver (default) OD (5V) Push-pull LED 2 driver DO 7 RESET Active high soft reset for system - resets all registers to default values. This pin contains an internal 50uA pull-down current. DI (5V) 8 ALERT# / BC_IRQ# ALERT# - Active low alert / interrupt output usable for SMBus alert and SPI interrupt OD (5V) BC_IRQ# - Active low interrupt / optional for BC-Link OD (5V) 9 ADDR_COMM Address / communications select pin - pull-down resistor determines address / communications mechanism AI 10 CS6 Capacitive Touch Sensor 6 AIO 11 CS5 Capacitive Touch Sensor 5 AIO 12 CS4 Capacitive Touch Sensor 4 AIO 13 CS3 Capacitive Touch Sensor 3 AIO 14 CS2 Capacitive Touch Sensor 2 AIO 15 CS1 Capacitive Touch Sensor 1 AIO 16 VDD Positive Power supply Power Bottom Pad GND Ground Power Table 1.1 Pin Description for CAP1026 (continued) PIN NUMBER PIN NAME PIN FUNCTION PIN TYPE |
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Ähnliche Beschreibung - CAP1026-1-AP-TR |
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