P87C51RB2BBD NXP Semiconductors, P87C51RB2BBD Datasheet - Page 15

• Manufacturer Part Number: P87C51RB2BBD
• Description: MCU 8-Bit 87C 80C51 CISC 16KB EPROM 3.3V/5V 44-Pin LQFP Tray
• Manufacturer: NXP Semiconductors

Specifications of P87C51RB2BBD

• Package: 44LQFP
• Device Core: 80C51
• Family Name: 87C
• Maximum Speed: 33 MHz
• Ram Size: 512 Byte
• Program Memory Size: 16 KB
• Operating Supply Voltage: 3.3|5 V
• Data Bus Width: 8 Bit
• Program Memory Type: EPROM
• Number Of Programmable I/os: 32
• Interface Type: UART
• Operating Temperature: 0 to 70 °C
• Number Of Timers: 3

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
Product data