P87C54SBAA,512 NXP Semiconductors, P87C54SBAA,512 Datasheet - Page 16

• Manufacturer Part Number: P87C54SBAA,512
• Description: IC 80C51 MCU 16K OTP 44-PLCC
• Manufacturer: NXP Semiconductors
• Series: 87Cr

Specifications of P87C54SBAA,512

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR
• Number Of I /o: 32
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: OTP
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Processor Series: P87C5x
• Core: 80C51
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: UART
• Maximum Clock Frequency: 16 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• Operating Supply Voltage: 2.7 V to 5.5 V
• Maximum Operating Temperature: + 70 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details
• Other names: 568-1252-5; 935258650512; P87C54SBAA

Philips Semiconductors
2000 Aug 07
80C51 8-bit microcontroller family
8K–64K/256–1K OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33MHz)
T2EX PIN
OSC
T2 PIN
OSC
T2 PIN
12
TRANSITION
DETECTOR
12
C/T2 = 0
C/T2 = 1
C/T2 = 0
C/T2 = 1
EXEN2
TR2
Figure 4. Timer 2 in Auto-Reload Mode (DCEN = 0)
CONTROL
Figure 5. Timer 2 Auto Reload Mode (DCEN = 1)
CONTROL
TR2
(DOWN COUNTING RELOAD VALUE)
CONTROL
(UP COUNTING RELOAD VALUE)
RELOAD
RCAP2L
FFH
TL2
16
(8-BITS)
RCAP2L
RCAP2H
TL2
FFH
TH2
(8-BITS)
OVERFLOW
RCAP2H
TH2
8XC51RA+/RB+/RC+/RD+/80C51RA+
T2EX PIN
8XC51FA/FB/FC/80C51FA
EXF2
TF2
COUNT
DIRECTION
1 = UP
0 = DOWN
TOGGLE
TF2
Product specification
EXF2
INTERRUPT
8XC54/58
INTERRUPT
SU00730
TIMER 2
SU00067