AT80C51RA2-3CSCV View Datasheet(PDF) - International Rectifier
Part Name
Description
MFG CO.
'AT80C51RA2-3CSCV' PDF : 85 Pages View PDF
AT/TS8xC51Rx2
It is possible to use timer 2 as a baud rate generator and a clock generator simultaneously. For
this configuration, the baud rates and clock frequencies are not independent since both func-
tions use the values in the RCAP2H and RCAP2L registers.
Figure 6-3. Clock-Out Mode C/T2 = 0
XTAL1
:2
(:1 in X2 mode)
TR2
T2CON reg
TL2
TH2
(8-bit) (8-bit)
OVERFLOW
T2
T2EX
Toggle
QD
EXEN2
T2CON reg
RCAP2L RCAP2H
(8-bit) (8-bit)
T2OE
T2MOD reg
EXF2
T2CON reg
TIMER 2
INTERRUPT
Table 6-2. T2CON Register
T2CON - Timer 2 Control Register (C8h)
7
6
5
4
3
2
TF2
EXF2
RCLK
TCLK
EXEN2
TR2
1
C/T2#
0
CP/RL2#
21
4188E–8051–08/06
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