P87C51RB2 PHILIPS [NXP Semiconductors], P87C51RB2 Datasheet - Page 15
P87C51RB2
Manufacturer Part Number
P87C51RB2
Description
80C51 8-bit microcontroller family
Manufacturer
PHILIPS [NXP Semiconductors]
Datasheet
1.P87C51RB2.pdf
(67 pages)
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Philips Semiconductors
2003 Jan 24
80C51 8-bit microcontroller family
with 512B/1KB RAM, low voltage (2.7 to 5.5 V), low power, high
speed (30/33 MHz)
*d = 6 in 6-clock mode; d = 12 in 12-clock mode.
*d = 6 in 6-clock mode; d = 12 in 12-clock mode.
Timer n
Gate bit
INTn Pin
Timer 0
Gate bit
INT0 Pin
OSC
OSC
OSC
Tn Pin
T0 Pin
TRn
d*
TR0
d*
d*
Figure 5. Timer/Counter 0/1 Mode 2: 8-Bit Auto-Reload
Figure 6. Timer/Counter 0 Mode 3: Two 8-Bit Counters
8KB/16KB/32KB/64KB OTP
TR1
C/T = 0
C/T = 1
C/T = 0
C/T = 1
Control
15
Control
Control
(8 Bits)
(8 Bits)
TLn
THn
(8 Bits)
(8 Bits)
TH0
TL0
P87C51RA2/RB2/RC2/RD2
Reload
TFn
TF0
TF1
SU01619
Interrupt
SU01620
Interrupt
Interrupt
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