p89c538nbb NXP Semiconductors, p89c538nbb Datasheet - Page 9
p89c538nbb
Manufacturer Part Number
p89c538nbb
Description
Cmos Single-chip 8-bit Microcontrollers With Flash Program Memory
Manufacturer
NXP Semiconductors
Datasheet
1.P89C538NBB.pdf
(32 pages)
Philips Semiconductors
1998 Apr 24
80C51 8-bit microcontroller family
16K/64K/512 FLASH
T2EX Pin
T2EX PIN
T2 Pin
T2 PIN
OSC
OSC
TRANSITION
DETECTOR
12
Transition
12
Detector
C/T2 = 0
C/T2 = 1
C/T2 = 0
C/T2 = 1
EXEN2
EXEN2
Control
CONTROL
Figure 3.
Figure 2.
TR2
TR2
Control
CONTROL
Capture
RELOAD
Timer 2 in Auto-Reload Mode
Timer 2 in Capture Mode
9
RCAP2L
(8-bits)
(8-BITS)
RCAP2L
TL2
TL2
(8-bits)
(8-BITS)
RCAP2H
TH2
RCAP2H
TH2
EXF2
TF2
EXF2
TF2
89C536/89C538
Preliminary specification
INTERRUPT
SU00066
Interrupt
Timer 2
TIMER 2
SU00067
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