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TMP89FM42
RA001
16.10Received Data Noise Rejection
When noise rejection is enabled at UART0CR2<RXDNC>, the time of pulses to be regarded as signals is as
shown in Table 16-8.
Note 1: The transfer base clock frequency is the clock frequency selected at UARTCR1<BRG>.
Figure 16-9 Received Data Noise Rejection
Table 16-8 Received Data Noise Rejection Time
RXDNC
Noise rejection time [s]
Time of pulses to be regarded as signals
00
No noise rejection
-
01
(1)/(Transfer base clock frequency)
2
×
(1)/(Transfer base clock frequency)
10
2
×
(1)/(Transfer base clock frequency)
4
×
(1)/(Transfer base clock frequency)
11
4
×
(1)/(Transfer base clock frequency)
8
×
(1)/(Transfer base clock frequency)
Receiving continues
because the start bit is 0
The received data is taken into
the shift register
15
14
13
12
11
10 9 8 7 6 5 4 3 2 1 0 15
14
13
12
11
10 9 8 7 6 5 4 3
Bit 0
Start bit
Start bit
Bit 0
RT clock
Internal received
data
Shift register
Bit 0
RXD0 pin
Noise
Noise is removed
A falling edge
is detected
When the noise rejection
circuit is used
Содержание TLCS-870/C1 Series
Страница 1: ...8 Bit Microcontroller TLCS 870 C1 Series TMP89FM42 查询TMP89FM42供应商 捷多邦 专业PCB打样工厂 24小时加急出货 ...
Страница 3: ...Revision History Date Revision 2007 10 25 1 First Release 2007 11 3 2 Contents Revised ...
Страница 4: ......
Страница 14: ......
Страница 18: ...1 3 Block Diagram TMP89FM42 1 3 Block Diagram Figure 1 2 Block Diagram ...
Страница 22: ...1 4 Pin Names and Functions TMP89FM42 ...
Страница 60: ...2 CPU Core 2 5 Revision History TMP89FM42 ...
Страница 76: ...3 Interrupt Control Circuit 3 8 Revision History TMP89FM42 ...
Страница 86: ...4 External Interrupt control circuit 4 3 Function TMP89FM42 ...
Страница 102: ...7 Voltage Detection Circuit 7 5 Revision History TMP89FM42 ...
Страница 126: ...8 I O Ports 8 3 I O Port Registers TMP89FM42 Note 2 i 0 to 1 ...
Страница 136: ...8 I O Ports 8 5 Revision History TMP89FM42 ...
Страница 142: ...9 Special Function Registers 9 3 SFR3 0x0E40 to 0x0EFF TMP89FM42 ...
Страница 146: ...10 Low Power Consumption Function for Peripherals TMP89FM42 ...
Страница 149: ...TMP89FM42 11 3 Revision History Rev Description RA001 Deleted SLEEP2 description ...
Страница 150: ...11 Divider Output DVO 11 3 Revision History TMP89FM42 ...
Страница 220: ...15 Real Time Clock RTC 15 4 Real Time Clock Operation TMP89FM42 ...
Страница 250: ...16 Asynchronous Serial Interface UART 16 15 Revision History TMP89FM42 ...
Страница 302: ...18 Serial Bus Interface SBI 18 7 Revision History TMP89FM42 ...
Страница 336: ...21 Flash Memory 21 4 Toggle Bit D6 TMP89FM42 Note 1 Make sure that you set the C register to 0x00 LD FLSCR2 0xD5 ...
Страница 338: ...21 Flash Memory 21 4 Toggle Bit D6 TMP89FM42 ...
Страница 384: ...22 Serial PROM Mode 22 15 Revision History TMP89FM42 ...
Страница 388: ...24 Input Output Circuit 24 1 Control Pins TMP89FM42 ...
Страница 404: ...25 Electrical Characteristics 25 11 Revision History TMP89FM42 ...
Страница 406: ...26 Package Dimensions TMP89FM42 ...
Страница 408: ......