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UPSD323X Datenblatt(PDF) 58 Page - STMicroelectronics

Teilenummer UPSD323X
Bauteilbeschribung  Flash Programmable System Devices with 8032 Microcontroller Core and 64Kbit SRAM
PDF  176 Pages
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Hersteller  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

UPSD323X Datenblatt(HTML) 58 Page - STMicroelectronics

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Table 42. Timer/Counter2 Operating Modes
Note:
↓ = falling edge
Figure 25. Timer 2 in Capture Mode
Mode
T2CON
T2MOD
DECN
T2CON
EXEN
P1.1
T2EX
Remarks
Inpu t Clock
RxCLK
or
TxCLK
CP/
RL2
TR2
Internal
External
(P1.0/T2)
16-bit
Auto-
reload
0
0
1
0
0
x
reload upon overflow
fOSC/12
MAX
fOSC/24
00
1
0
1
reload trigger (falling edge)
0
0
1
1
x
0
Down counting
0
0
1
1
x
1
Up counting
16-bit
Capture
01
1
x
0
x
16-bit Timer/Counter
(only up counting)
fOSC/12
MAX
fOSC/24
01
1
x
1
Capture (TH1,TL2)
(RCAP2H,RCAP2L)
Baud Rate
Generator
1x
1
x
0
x
No overflow interrupt
request (TF2)
fOSC/12
MAX
fOSC/24
1x
1
x
1
Extra external interrupt
(Timer 2)
Off
x
x
0
x
x
x
Timer 2 stops
AI06625
fOSC
TF2
Capture
TR2
T2 pin
Control
TL2
(8 bits)
TH2
(8 bits)
C/T2 = 0
C/T2 = 1
÷ 12
EXP2
Control
EXEN2
RCAP2L RCAP2H
T2EX pin
Timer 2
Interrupt
Transition
Detector



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