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SC16C650BIN40 Datasheet(PDF) 6 Page - NXP Semiconductors |
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SC16C650BIN40 Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 51 page Philips Semiconductors SC16C650B UART with 32-byte FIFOs and IrDA encoder/decoder Product data Rev. 03 — 10 December 2004 6 of 51 9397 750 14451 © Koninklijke Philips Electronics N.V. 2004. All rights reserved. 5.2 Pin description Fig 5. DIP40 pin configuration. 002aaa605 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 D0 D1 D2 D3 D4 D5 D6 D7 RCLK RX TX CS0 CS1 BAUDOUT XTAL1 XTAL2 IOW IOW GND VCC RI DCD DSR CTS RESET OUT1 DTR RTS OUT2 INT RXRDY A0 A1 A2 AS TXRDY DDIS IOR IOR 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 CS2 Table 2: Pin description Symbol Pin Type Description PLCC44 LQFP48 HVQFN32 DIP40 A0-A2 31, 30, 29 28, 27, 26 18, 17, 16 28, 27, 26 I Register select. A0-A2 are used during read and write operations to select the UART register to read from or write to. Refer to Table 3 for register addresses and refer to AS description. AS 28 24 - 25 I Address strobe. When AS is active (LOW), A0, A1, and A2 and CS0, CS1, and CS2 drive the internal select logic directly; when AS is HIGH, the register select and chip select signals are held at the logic levels they were in when the LOW-to-HIGH transition of AS occurred. BAUDOUT 17 12 8 15 O Baud out. BAUDOUT is a 16 × clock signal for the transmitter section of the UART. The clock rate is established by the reference oscillator frequency divided by a divisor specified in the baud generator divisor latches. BAUDOUT may also be used for the receiver section by tying this output to RCLK. |
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