參數(shù)資料
型號(hào): Q67121C452
英文描述: IC-SM-8-BIT CPU-12MHZ
中文描述: 集成電路釤8位CPU - 12MHz的
文件頁數(shù): 68/121頁
文件大?。?/td> 1000K
代理商: Q67121C452
Semiconductor Group
6-34
On-Chip Peripheral Components
C501
6.3.3.2
Using Timer 2 to Generate Baud Rates
Timer 2 is selected as the baud rate generator by setting TCLK and/or RCLK in T2CON. Note then
the baud rates for transmit and receive can be simultaneously different. Setting RCLK and/or TCLK
puts timer 2 into its baud rate generator mode, as shown in
figure 6-18
.
Figure 6-18
Timer 2 in Baud Rate Generator Mode
The baud rate generator mode is similar to the auto-reload mode, in that rollover in TH2 causes the
timer 2 registers to be reloaded with the 16-bit value in registers RC2H and RC2L, which are preset
by software.
Now the baud rates in modes 1 and 3 are determined by timer 2’s overflow rate as follows:
Modes 1, 3 baud rate = timer 2 overflow rate/16
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