![NXP Semiconductors Kinetis KE1xZ256 Скачать руководство пользователя страница 1216](http://html1.mh-extra.com/html/nxp-semiconductors/kinetis-ke1xz256/kinetis-ke1xz256_reference-manual_17218131216.webp)
receiver synchronizes its bit times to this start bit time. For the rest of the character
reception, the infrared decoder's counter and the receiver's bit time counter count
independently from each other.
46.4.3.4.2 Noise filtering
Any further rising edges detected during the first half of the infrared decoder counter are
ignored by the decoder. Any pulses less than one oversampling baud clock can be
undetected by it regardless of whether it is seen in the first or second half of the count.
46.4.3.4.3 Low-bit detection
During the second half of the decoder count, a rising edge is decoded as a 0, which is sent
to the receiver. The decoder counter is also reset.
46.4.3.4.4 High-bit detection
At OSR oversampling baud rate clocks after the previous rising edge, if a rising edge is
not seen, then the decoder sends a 1 to the receiver.
If the next bit is a 0, which arrives late, then a low-bit is detected according to
. The value sent to the receiver is changed from 1 to a 0. Then, if a noise pulse
occurs outside the receiver's bit time sampling period, then the delay of a 0 is not
recorded as noise.
46.4.4 Additional LPUART functions
The following sections describe additional LPUART functions.
46.4.4.1 Data Modes
The LPUART transmitter and receiver can be configured to operate in 7-bit data mode by
setting LPUART_CTRL[M7], 9-bit data mode by setting the LPUART_CTRL[M] or 10-
bit data mode by setting LPUART_CTRL[M10]. In 9-bit mode, there is a ninth data bit in
10-bit mode there is a tenth data bit. For the transmit data buffer, these bits are stored in
LPUART_CTRL[T8] and LPUART_CTRL[T9]. For the receiver, these bits are held in
LPUART_CTRL[R8] and LPUART_CTRL[R9]. They are also accessible via 16-bit or
32-bit accesses to the LPUART_DATA register.
Functional description
Kinetis KE1xZ256 Sub-Family Reference Manual, Rev. 3, 07/2018
1216
NXP Semiconductors
Содержание Kinetis KE1xZ256
Страница 2: ...Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 2 NXP Semiconductors...
Страница 56: ...SysTick Clock Configuration Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 56 NXP Semiconductors...
Страница 62: ...Interrupt channel assignments Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 62 NXP Semiconductors...
Страница 124: ...Application information Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 124 NXP Semiconductors...
Страница 130: ...Initialization application information Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 130 NXP Semiconductors...
Страница 178: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 178 NXP Semiconductors...
Страница 356: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 356 NXP Semiconductors...
Страница 368: ...Module clocks Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 368 NXP Semiconductors...
Страница 410: ...Interrupts Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 410 NXP Semiconductors...
Страница 562: ...Power supply supervisor Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 562 NXP Semiconductors...
Страница 592: ...General security features Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 592 NXP Semiconductors...
Страница 604: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 604 NXP Semiconductors...
Страница 622: ...Application Information Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 622 NXP Semiconductors...
Страница 634: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 634 NXP Semiconductors...
Страница 674: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 674 NXP Semiconductors...
Страница 690: ...Module Signal Description Tables Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 690 NXP Semiconductors...
Страница 712: ...Functional description Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 712 NXP Semiconductors...
Страница 820: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 820 NXP Semiconductors...
Страница 1030: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 1030 NXP Semiconductors...
Страница 1052: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 1052 NXP Semiconductors...
Страница 1066: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 1066 NXP Semiconductors...
Страница 1268: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 1268 NXP Semiconductors...
Страница 1314: ...Usage Guide Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 1314 NXP Semiconductors...
Страница 1316: ...Kinetis KE1xZ256 Sub Family Reference Manual Rev 3 07 2018 1316 NXP Semiconductors...