TS80C54 ATMEL [ATMEL Corporation], TS80C54 Datasheet - Page 16

• Manufacturer Part Number: TS80C54
• Description: 8-bit CMOS Microcontroller 16/32 Kbytes ROM/OTP
• Manufacturer: ATMEL [ATMEL Corporation]

Figure 8-2.
16
AT/TS8xC54/8X2
Clock-Out Mode C/T2 = 0
T2EX
T2
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.
XTAL1
• Enter a 16-bit initial value in timer registers TH2/TL2. It can be the same as the reload value
• To start the timer, set TR2 run control bit in T2CON register.
or a different one depending on the application.
( : 1 i n X 2 m o d e )
:2
T2CON reg
EXEN2
Q
Toggle
T2CON reg
TR2
D
T2CON reg
RCAP2L
EXF2
(8-bit)
(8-bit)
TL2
T2MOD reg
T2OE
RCAP2H
(8-bit)
(8-bit)
TH2
INTERRUPT
T I M E R 2
OVERFLOW
4431E–8051–04/06