P87C51RA2FA,512 NXP Semiconductors, P87C51RA2FA,512 Datasheet - Page 15

• Manufacturer Part Number: P87C51RA2FA,512
• Description: Microcontrollers (MCU) 8B MCU 8K-64K/256-1K 2.7-5.5V 33MHZ
• Manufacturer: NXP Semiconductors
• Series: 87Cr

Specifications of P87C51RA2FA,512

• Data Bus Width: 8 bit
• Program Memory Type: EPROM
• Program Memory Size: 8 KB
• Data Ram Size: 512 B
• Interface Type: UART
• Maximum Clock Frequency: 33 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: PLCC-44
• Minimum Operating Temperature: - 40 C
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Eeprom Size: -
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: -
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Lead Free Status / Rohs Status: Details
• Other names: 935271890512

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