A8351601 Series
OSC
DIVIDE 12
C/T2=0
T2 PIN
C/T2=1
TL2
TH2
(8 BITS) (8 BITS)
CONTROL
TR2
RELOAD
TRANSITION
DETECTOR
RCAP2L RCAP2H
TF2
T2EX PIN
EXF2
CONTROL
EXEN2
Figure 7. Timer 2 in Auto-Reload Mode
TIMER 2
INTERRUPT
TIMER 1
OVERFLOW
OSC
NOTE:OSC FREQ.
IS DIV BY 2, NOT 12
DIVIDE 12
C/T2=0
DIVIDE 2
"0" "1"
SMOD
T2 PIN
C/T2=1
TL2
TH2
(8 BITS) (8 BITS)
"1" "0"
CONTROL
TR2
RELOAD "1" "0"
TRANSITION
DETECTOR
RCAP2L RCAP2H
RCLK
DIVIDE 16
RX
CLOCK
TCLK
DIVIDE 16
TX
CLOCK
T2EX PIN
EXF2
CONTROL
EXEN2
TIMER 2
INTERRUPT
Figure 8. Timer 2 in Baud Rate Generator Mode
Note:
1. T2EX can be used as an additional external interrupt.
(July, 2002, Version 1.0)
17
AMIC Technology, Inc.