C8051F226DK Silicon Laboratories Inc, C8051F226DK Datasheet - Page 120
C8051F226DK
Manufacturer Part Number
C8051F226DK
Description
DEV KIT F220/221/226/230/231/236
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Datasheet
1.C8051F226DK.pdf
(146 pages)
Specifications of C8051F226DK
Contents
Evaluation Board, Power Supply, USB Cables, Adapter and Documentation
Processor To Be Evaluated
C8051F22x and C8051F23x
Interface Type
USB
Silicon Manufacturer
Silicon Labs
Core Architecture
8051
Silicon Core Number
C8051F226
Silicon Family Name
C8051F2xx
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F220, 221, 226, 230, 231, 236
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1241
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C8051F2xx
If T1M (CKCON.4) is logic 1, then the above equation becomes:
If T1M (CKCON.4) is logic 0, then the above equation becomes:
The Timer 2 overflow rate, when in Baud Rate Generator Mode and using an internal clock source, is
determined solely by the Timer 2 16-bit reload value (RCAP2H:RCAP2L). The Timer 2 clock source is
fixed at SYSCLK/2. The Timer 2 overflow rate can be calculated as follows:
Timer 2 can be selected as the baud rate generator for RX and/or TX by setting RCLK (T2CON.5) and/or
TCLK (T2CON.4), respectively. When either RCLK or TCLK is set to logic 1, Timer 2 interrupts are auto-
matically disabled and the timer is forced into Baud Rate Generator Mode with SYSCLK/2 as its clock
source. If a different timebase is required, setting the C/T2 bit (T2CON.1) to logic 1 will allow Timer 2 to be
clocked from the external input pin T2. See the Timers section for complete timer configuration details.
120
Figure 16.5. UART Modes 1, 2, and 3 Interconnect Diagram
T2_OVERFLOWRATE = (SYSCLK/2) / (65536 – [RCAP2H:RCAP2L]).
RS-232
T1_OVERFLOWRATE = (SYSCLK/12) / (256 – TH1).
T1_OVERFLOWRATE = (SYSCLK) / (256 – TH1).
MCU
TX
RX
RS-232
LEVEL
Rev. 1.6
XLTR
OR
RX
RX
TX
TX
C8051Fxxx
C8051Fxxx
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