Information
48.3.24 UART 7816 Interrupt Enable Register (UARTx_IE7816)
The IE7816 register controls which flags result in an interrupt being issued. This register
is specific to 7816 functionality, the corresponding flags that drive the interrupts are not
asserted when 7816E is not set/enabled. However, these flags may remain set if they are
asserted while 7816E was set and not subsequently cleared. This register may be read or
written to at any time.
Address: Base address + 19h offset
Bit 7 6 5 4 3 2 1 0
Read
WTE CWTE BWTE INITDE
0
GTVE TXTE RXTE
Write
Reset
0 0 0 0 0 0 0 0
UARTx_IE7816 field descriptions
Field Description
7
WTE
Wait Timer Interrupt Enable
0 The assertion of IS7816[WT] does not result in the generation of an interrupt.
1 The assertion of IS7816[WT] results in the generation of an interrupt.
6
CWTE
Character Wait Timer Interrupt Enable
0 The assertion of IS7816[CWT] does not result in the generation of an interrupt.
1 The assertion of IS7816[CWT] results in the generation of an interrupt.
5
BWTE
Block Wait Timer Interrupt Enable
0 The assertion of IS7816[BWT] does not result in the generation of an interrupt.
1 The assertion of IS7816[BWT] results in the generation of an interrupt.
4
INITDE
Initial Character Detected Interrupt Enable
0 The assertion of IS7816[INITD] does not result in the generation of an interrupt.
1 The assertion of IS7816[INITD] results in the generation of an interrupt.
3
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
2
GTVE
Guard Timer Violated Interrupt Enable
0 The assertion of IS7816[GTV] does not result in the generation of an interrupt.
1 The assertion of IS7816[GTV] results in the generation of an interrupt.
1
TXTE
Transmit Threshold Exceeded Interrupt Enable
0 The assertion of IS7816[TXT] does not result in the generation of an interrupt.
1 The assertion of IS7816[TXT] results in the generation of an interrupt.
0
RXTE
Receive Threshold Exceeded Interrupt Enable
0 The assertion of IS7816[RXT] does not result in the generation of an interrupt.
1 The assertion of IS7816[RXT] results in the generation of an interrupt.
Chapter 48 Universal Asynchronous Receiver/Transmitter (UART)
K20 Sub-Family Reference Manual, Rev. 1.1, Dec 2012
Freescale Semiconductor, Inc.
Preliminary
1305
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