AMIC110 Datasheet, PDF (200/214 Pages) Texas Instruments – Sitara Processors

AMIC110
SPRS971A – AUGUST 2016 – REVISED SEPTEMBER 2016
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7.15 Universal Asynchronous Receiver Transmitter (UART)
For more information, see the Universal Asynchronous Receiver Transmitter (UART) section of the
AM335x and AMIC110 Sitara Processors Technical Reference Manual.
7.15.1 UART Electrical Data and Timing
Table 7-94. Timing Requirements for UARTx Receive
(see Figure 7-85)
NO.
3 t_w(RX)
Pulse duration, receive start, stop, data bit
(1) U = UART baud time = 1/programmed baud rate.
MIN
0.96U⁽¹⁾
Table 7-95. Switching Characteristics for UARTx Transmit
(see Figure 7-85)
NO.
PARAMETER
MIN
1
ƒ_baud(baud)
Maximum programmable baud rate
2 t_w(TX)
Pulse duration, transmit start, stop, data bit
(1) U = UART baud time = 1 / programmed baud rate
U – 2⁽¹⁾
UARTx_TXD
2
2
Start
Bit
Data Bits
2
Stop Bit
MAX
1.05U⁽¹⁾
MAX
3.6864
U + 2⁽¹⁾
UNIT
ns
UNIT
MHz
ns
UARTx_RXD
3
3
Start
Bit
Data Bits
Figure 7-85. UART Timings
3
Stop Bit
200 Peripheral Information and Timings
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