參數(shù)資料
型號(hào): 8XC51
廠商: Intel Corp.
英文描述: CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER
中文描述: CHMOS單片8位微控制器
文件頁數(shù): 17/58頁
文件大?。?/td> 233K
代理商: 8XC51
2003 Oct 30
17
Philips Semiconductors
Product specification
Low power single card reader
TDA8029
Summary of baud rate equations: Timer 2 is in baud rate
generating mode. If timer 2 is being clocked through T2
(P1.0) the baud rate is:
(3)
If timer 2 is being clocked internally, the baud rate is:
65536
[
×
(4)
To obtain the reload value for RCAP2H and RCAP2L, the
above equation can be rewritten as:
(5)
Where f
osc
= oscillator frequency.
Baud rate
16
Timer 2 overflow rate
=
Baud rate
RCAP2H, RCAP2L
(
)
]
32
=
RCAP2H, RCAP2L
65536
f
×
32
=
handbook, full pagewidth
MGW425
TR2
TL2
(8-bit)
TH2
(8-bit)
RCAP2L
EXF2
RCAP2H
reload
SMOD
RCLK
TCLK
1
0
0
Timer 1
overflow
1
1
0
transition
detector
control
control
Note availability of additional external interrupt
note fosc is divided by 2, not 12
Timer 2
interrupt
RX clock
T2EX
EXEN2
÷
2
÷
16
TX clock
÷
16
÷
2
C/T2 = 0
C/T2 = 1
T2
OSC
Fig.5 Timer 2 in baud rate generator mode.
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