XA-G39 NXP Semiconductors, XA-G39 Datasheet - Page 23

• Manufacturer Part Number: XA-G39
• Description: Xa 16-bit Microcontroller Family Xa 16-bit Microcontroller 32k Flash/1k Ram, Watchdog, 2 Uarts
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2002 Mar 13
XA 16-bit microcontroller family
32K Flash/1K RAM, watchdog, 2 UARTs
T2 PIN
T2EX Pin
T2EX Pin
T2 Pin
TCLK
T2 Pin
C/T2 = 0
C/T2 = 1
TCLK
TCLK
Transition
Transition
Detector
Detector
C/T2 = 0
C/T2 = 1
C/T2 = 0
C/T2 = 1
TR2
EXEN2
EXEN2
CONTROL
Figure 12. Timer 2 in Auto-Reload Mode (DCEN = 0)
Figure 13. Timer 2 Auto Reload Mode (DCEN = 1)
Control
Control
Figure 11. Timer 2 in Capture Mode
TR2
TR2
Control
Control
(DOWN COUNTING RELOAD VALUE)
(UP COUNTING RELOAD VALUE)
Capture
Reload
T2CAPL
FFH
TL2
23
T2CAPL
(8-bits)
(8-bits)
T2CAPL
TL2
TL2
T2CAPH
FFH
TH2
(8-bits)
(8-bits)
TH2
T2CAPH
TH2
T2CAPH
OVERFLOW
T2EX PIN
EXF2
TF2
EXF2
TF2
COUNT
DIRECTION
1 = UP
0 = DOWN
TOGGLE
TF2
XA-G39
Preliminary data
EXF2
INTERRUPT
Interrupt
Timer 2
Interrupt
SU00705
Timer 2
SU00706
SU00704