Uart1 Transmit Enable Register (U1Ter - 0Xe001 0030); User Manual - Philips LPC2101 User Manual

Philips Semiconductors
Volume 1
UART1 RX
U1ACR start
rate counter
16xbaud_rate
a. Mode 0 (start bit and LSB are used for auto-baud)
UART1 RX
U1ACR start
rate counter
16xbaud_rate
b. Mode 1 (only start bit is used for auto-baud)
Fig 21. Autobaud a) mode 0 and b) mode 1 waveform

10.3.17 UART1 Transmit Enable Register (U1TER - 0xE001 0030)

LPC2101/02/03's U1TER enables implementation of software and hardware flow control.
When TXEn=1, UART1 transmitter will keep sending data as long as they are available.
As soon as TXEn becomes 0, UART1 transmission will stop.
Table 116

User manual

'A' (0x41) or 'a' (0x61)
start bit0 bit1 bit2
start bit
16 cycles
'A' (0x41) or 'a' (0x61)
start bit0 bit1 bit2
start bit
16 cycles
describes how to use TXEn bit in order to achieve software flow control.
Rev. 01 — 12 January 2006
bit3 bit4 bit5 bit6
LSB of 'A' or 'a'
16 cycles
bit3 bit4 bit5 bit6
LSB of 'A' or 'a'
UM10161
Chapter 10: UART1
bit7 parity stop
bit7 parity stop
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
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