c8051f410 Silicon Laboratories, c8051f410 Datasheet - Page 208
c8051f410
Manufacturer Part Number
c8051f410
Description
2.0 V, 32/16 Kb Flash, Smartclock, 12-bit Adc
Manufacturer
Silicon Laboratories
Datasheet
1.C8051F410.pdf
(270 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
c8051f410-GQ
Manufacturer:
SiliconL
Quantity:
1 928
Company:
Part Number:
c8051f410-GQ
Manufacturer:
SILICON
Quantity:
99
Company:
Part Number:
c8051f410-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
c8051f410-GQR
Manufacturer:
SiliconL
Quantity:
5 500
Company:
Part Number:
c8051f410-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Part Number:
c8051f410-GQR
Manufacturer:
SILICON LABS/芯科
Quantity:
20 000
Company:
Part Number:
c8051f410-GQR..
Manufacturer:
SILICON
Quantity:
15 000
Company:
Part Number:
c8051f410DK
Manufacturer:
Silicon Labs
Quantity:
135
- Current page: 208 of 270
- Download datasheet (4Mb)
C8051F410/1/2/3
22.1. Enhanced Baud Rate Generation
The UART0 baud rate is generated by Timer 1 in 8-bit auto-reload mode. The TX clock is generated by
TL1; the RX clock is generated by a copy of TL1 (shown as RX Timer in Figure 22.2), which is not user-
accessible. Both TX and RX Timer overflows are divided by two to generate the TX and RX baud rates.
The RX Timer runs when Timer 1 is enabled, and uses the same reload value (TH1). However, an
RX Timer reload is forced when a START condition is detected on the RX pin. This allows a receive to
begin any time a START is detected, independent of the TX Timer state.
Timer 1 should be configured for Mode 2, 8-bit auto-reload (see
Counter/Timer with Auto-Reload” on page 233
flows will occur at two times the desired UART baud rate frequency. Note that Timer 1 may be clocked by
one of six sources: SYSCLK, SYSCLK / 4, SYSCLK / 12, SYSCLK / 48, the external oscillator clock / 8, or
an external input T1. The UART0 baud rate is determined by Equation 22.1-A and Equation 22.1-B.
Where T1
auto-reload mode reload value). Timer 1 clock frequency is selected as described in
on page 231
through Table 22.6. Note that the internal oscillator may still generate the system clock when the external
oscillator is driving Timer 1.
208
CLK
. A quick reference for typical baud rates and system clock frequencies is given in Table 22.1
is the frequency of the clock supplied to Timer 1, and T1H is the high byte of Timer 1 (8-bit
Detected
Start
B)
A)
Figure 22.2. UART0 Baud Rate Logic
UartBaudRate
T1_Overflow_Rate
RX Timer
Equation 22.1. UART0 Baud Rate
Timer 1
TH1
TL1
=
Overflow
Overflow
Rev. 1.0
). The Timer 1 reload value should be set so that over-
1
-- -
2
×
=
T1_Overflow_Rate
------------------------- -
256 TH1
T1
–
CLK
2
2
UART
Section “24.1.3. Mode 2: 8-bit
RX Clock
TX Clock
Section “24. Timers”
Related parts for c8051f410
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
SMD/C°/SINGLE-ENDED OUTPUT SILICON OSCILLATOR
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
Manufacturer:
Silicon Laboratories Inc
Datasheet:
Part Number:
Description:
N/A N/A/SI4010 AES KEYFOB DEMO WITH LCD RX
Manufacturer:
Silicon Laboratories Inc
Datasheet:
Part Number:
Description:
N/A N/A/SI4010 SIMPLIFIED KEY FOB DEMO WITH LED RX
Manufacturer:
Silicon Laboratories Inc
Datasheet:
Part Number:
Description:
N/A/-40 TO 85 OC/EZLINK MODULE; F930/4432 HIGH BAND (REV E/B1)
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
EZLink Module; F930/4432 Low Band (rev e/B1)
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4460 10 DBM RADIO TEST CARD 434 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4461 14 DBM RADIO TEST CARD 868 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4463 20 DBM RFSWITCH RADIO TEST CARD 460 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4463 20 DBM RADIO TEST CARD 868 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4463 27 DBM RADIO TEST CARD 868 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4463 SKYWORKS 30 DBM RADIO TEST CARD 915 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
N/A N/A/-40 TO 85 OC/4463 RFMD 30 DBM RADIO TEST CARD 915 MHZ
Manufacturer:
Silicon Laboratories Inc
Part Number:
Description:
I°/4463 20 DBM RADIO TEST CARD 169 MHZ
Manufacturer:
Silicon Laboratories Inc