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XR21V1414 Datasheet(PDF) 2 Page - Exar Corporation |
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XR21V1414 Datasheet(HTML) 2 Page - Exar Corporation |
2 / 32 page XR21V1414 2 4-CH FULL-SPEED USB UART REV. 1.1.0 FIGURE 1. XR21V1414 BLOCK DIAGRAM USB Slave Interface 128-byte TX FIFO GPIOs/ Modem IO TXA RXA Internal 48MHz Oscillator USBD+ USBD- 384-byte RX FIFO GPIOA5/RTSA# GPIOA4/CTSA# GPIOA3/DTRA# GPIOA2/DSRA# GPIOA1/CDA# GPIOA0/RIA# UART Channel A UART Channel B (Same as Ch A) UART Channel C (Same as Ch A) UART Channel D (Same as Ch A) Fractional BRG TXB RXB GPIOB[5:0]/ModemIO TXC RXC GPIOC[5:0]/ModemIO TXD RXD GPIOD[5:0]/ModemIO Internal Status and Control Registers 3.3V VCC GND I 2C Interface SDA SCL |
Similar Part No. - XR21V1414_10 |
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Similar Description - XR21V1414_10 |
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