P87C52SBPN,112 NXP Semiconductors, P87C52SBPN,112 Datasheet - Page 17

• Manufacturer Part Number: P87C52SBPN,112
• Description: IC 80C51 MCU 8K OTP 40-DIP
• Manufacturer: NXP Semiconductors
• Series: 87Cr

Specifications of P87C52SBPN,112

• Program Memory Type: OTP
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 40-DIP (0.600", 15.24mm)
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR
• Number Of I /o: 32
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Processor Series: P87C5x
• Core: 80C51
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: UART
• Maximum Clock Frequency: 33 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: Lead free / RoHS Compliant
• Other names: 568-1012-5; 935253690112; P87C52SBPN

Philips Semiconductors
2000 Aug 07
80C51 8-bit microcontroller family
4 K/8 K OTP/ROM low voltage (2.7 V–5.5 V),
low power, high speed (33 MHz), 128/256 B RAM
Figure 9. UART Multiprocessor Communication, Automatic Address Recognition
START
BIT
IN UART MODE 2 OR MODE 3 AND SM2 = 1:
– WHEN OWN ADDRESS RECEIVED, CLEAR SM2 TO RECEIVE DATA BYTES
– WHEN ALL DATA BYTES HAVE BEEN RECEIVED: SET SM2 TO WAIT FOR NEXT ADDRESS.
D0
SM0 / FE
INTERRUPT IF REN=1, RB8=1 AND “RECEIVED ADDRESS” = “PROGRAMMED ADDRESS”
RECEIVED ADDRESS D0 TO D7
SMOD1
PROGRAMMED ADDRESS
D0
0 : SCON.7 = SM0
1 : SCON.7 = FE
D1
SMOD0
SM1
D1
Figure 8. UART Framing Error Detection
D2
SM2
SM0
D2
–
1
1
D3
REN
SM1
D3
POF
DATA BYTE
1
0
SET FE BIT IF STOP BIT IS 0 (FRAMING ERROR)
SM0 TO UART MODE CONTROL
D4
17
TB8
D4
SM2
GF1
COMPARATOR
D5
1
D5
RB8
GF0
REN
1
D6
D6
80C51/87C51/80C52/87C52
PD
TB8
TI
D7
X
D7
RB8
IDL
D8
RI
MODE 2, 3
ONLY IN
D8
SCON
(98H)
PCON
(87H)
TI
STOP
BIT
SU01191
RI
Product specification
SU00045
SCON
(98H)