TS80C52X2
q To start the timer, set TR2 run control bit in T2CON register.
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 functions use the values in the RCAP2H and
RCAP2L registers.
XTAL1
:2
TR2
T2CON reg
TL2 TH2
(8-bit) (8-bit)
OVEFLOW
T2
T2EX
Toggle
QD
EXEN2
T2CON reg
RCAP2L RCAP2H
(8-bit) (8-bit)
T2OE
T2MOD reg
EXF2
T2CON reg
TIMER 2
INTERRUPT
Figure 5. Clock-Out Mode C/T2 = 0
Rev. B - Jan. 25, 1999
15
Preliminary