TDA8029 Philips Semiconductors, TDA8029 Datasheet - Page 15

• Manufacturer Part Number: TDA8029
• Description: Low power single card reader
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2003 Oct 30
handbook, full pagewidth
handbook, full pagewidth
Low power single card reader
OSC
OSC
÷
T2
T2EX
12
T2
÷
12
C/T2 = 0
C/T2 = 1
transition
detector
C/T2 = 0
C/T2 = 1
Fig.3 Timer 2 in auto-reload mode with DCEN = 0.
Fig.4 Timer 2 in auto-reload mode with DCEN = 1.
TR2
EXEN2
control
control
TR2
reload
control
(down counting reload value)
(up counting reload value)
RCAP2L
FFh
TL2
15
RCAP2L
(8-bit)
TL2
RCAP2H
FFh
TH2
RCAP2H
(8-bit)
TH2
overflow
EXF2
TF2
T2EX
count
direction
HIGH = up
LOW = down
MGW423
toggle
TF2
Product specification
Timer 2
interrupt
MGW424
TDA8029
EXF2
interrupt