SC16IS740/750/760 Single UART with I2C-bus/SPI interface, 64 ...
SC16IS740/750/760 Single UART with I2C-bus/SPI interface, 64 ...
SC16IS740/750/760 Single UART with I2C-bus/SPI interface, 64 ...
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NXP Semiconductors<br />
<strong>SC16IS740</strong>/<strong>750</strong>/<strong>760</strong><br />
<strong>Single</strong> <strong>UART</strong> <strong>with</strong> I 2 C-<strong>bus</strong>/<strong>SPI</strong> <strong>interface</strong>, <strong>64</strong>-byte FIFOs, IrDA SIR<br />
CS<br />
SCLK<br />
SI<br />
R/W<br />
A3<br />
A2<br />
A1<br />
A0<br />
CH1<br />
CH0<br />
X<br />
SO<br />
D7<br />
D6<br />
D5<br />
D4<br />
D3<br />
D2<br />
D1<br />
D0<br />
IRQ<br />
t d12<br />
002aab441<br />
Fig 38.<br />
R/W = 1; A[3:0] = MSR (0x06); CH1 = 0; CH0 = 0<br />
Read MSR to clear modem INT (SC16IS<strong>750</strong> and SC16IS<strong>760</strong> only)<br />
CS<br />
SCLK<br />
SI<br />
R/W<br />
A3<br />
A2<br />
A1<br />
A0<br />
CH1<br />
CH0<br />
X<br />
SO<br />
D7<br />
D6<br />
D5<br />
D4<br />
D3<br />
D2<br />
D1<br />
D0<br />
IRQ<br />
t d13<br />
002aab442<br />
Fig 39.<br />
R/W = 1; A[3:0] = IOState (0x0B); CH1 = 0; CH0 = 0<br />
Read IOState to clear GPIO INT (SC16IS<strong>750</strong> and SC16IS<strong>760</strong> only)<br />
CS<br />
SCLK<br />
SI<br />
R/W<br />
A3<br />
A2<br />
A1<br />
A0<br />
CH1<br />
CH0<br />
X<br />
SO<br />
D7<br />
D6<br />
D5<br />
D4<br />
D3<br />
D2<br />
D1<br />
D0<br />
IRQ<br />
t d14<br />
002aab443<br />
Fig 40.<br />
R/W = 1; A[3:0] = RHR (0x00); CH1 = 0; CH0 = 0<br />
Read RHR to clear RX INT<br />
<strong>SC16IS740</strong>_<strong>750</strong>_<strong>760</strong>_6<br />
© NXP B.V. 2008. All rights reserved.<br />
Product data sheet Rev. 06 — 13 May 2008 53 of 62
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