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80C32E View Datasheet(PDF) - Philips Electronics

Part NameDescriptionManufacturer
80C32E CMOS single-chip 8-bit microcontrollers Philips
Philips Electronics Philips
80C32E Datasheet PDF : 62 Pages
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Philips Semiconductors
CMOS single-chip 8-bit microcontrollers
Product specification
80C52/80C54/80C58
Table 2. Timer 2 Operating Modes
RCLK + TCLK
CP/RL2
0
0
0
1
1
X
X
X
TR2
MODE
1
16-bit Auto-reload
1
16-bit Capture
1
Baud rate generator
0
(off)
OSC
÷ 12
T2 Pin
C/T2 = 0
C/T2 = 1
TL2
(8-bits)
TH2
(8-bits)
TF2
Control
Transition
Detector
TR2 Capture
RCAP2L
RCAP2H
Timer 2
Interrupt
T2EX Pin
Control
EXEN2
Figure 2. Timer 2 in Capture Mode
EXF2
SU00066
T2MOD Address = 0C9H
Reset Value = XXXX XX00B
Not Bit Addressable
T2OE DCEN
Bit
7
6
5
4
3
2
1
0
Symbol Function
T2OE
DCEN
Not implemented, reserved for future use.*
Timer 2 Output Enable bit. See details in Programmable Clock-Out.
Down Count Enable bit. When set, this allows Timer 2 to be configured as an up/down counter.
* User software should not write 1s to reserved bits. These bits may be used in future 8051 family products to invoke new features.
In that case, the reset or inactive value of the new bit will be 0, and its active value will be 1. The value read from a reserved bit is
indeterminate.
SU00746
Figure 3. Timer 2 Mode (T2MOD) Control Register
1996 Aug 16
9
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