Ffuart Block Diagram; Ffuart Layout Notes - Intel PXA27 Series Design Manual

UART Interfaces
10.3.1.2

FFUART Block Diagram

See Figure 10-1
and a standard 9-pin DIN connector. The block diagram demonstrates high-level signal usage and
connectivity when using the FFUART.
Figure 10-1. FFUART Interface Block Diagram
PXA27x
Processor
FFUART
10.3.1.3

FFUART Layout Notes

The RS-232 transceiver device converts CMOS logic voltage levels to RS-232 standard line
voltage levels. Locate the RS-232 transceiver close to the 9-pin DIN connector.
II:10-4
for illustration of the block diagram showing the interface between the FFUART
FFDCD
FFDSR
FFRXD
FFRTS
FFTXD
FFCTS
FFDTR
FFRI
RS-232
Transceiver
®
Intel PXA27x Processor Family Design Guide
9-Pin DIN
Serial
Cable
Connector
1
6
2
7
3
8
4
9
5
UART_001_P2