P87C51X2BBD,157 NXP Semiconductors, P87C51X2BBD,157 Datasheet - Page 26

• Manufacturer Part Number: P87C51X2BBD,157
• Description: IC 80C51 MCU 128 RAM 44LQFP
• Manufacturer: NXP Semiconductors
• Series: 87Cr

Specifications of P87C51X2BBD,157

• Program Memory Type: OTP
• Program Memory Size: 4KB (4K x 8)
• Package / Case: 44-LQFP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR
• Number Of I /o: 32
• Ram Size: 128 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: 128 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
• For Use With: OM10064 - EMULATOR 80C51 PDS51-MK2
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 935271374157; P87C51X2BBD; P87C51X2BBD

Philips Semiconductors
2003 Jan 24
80C51 8-bit microcontroller family
4K/8K/16K/32K ROM/OTP, low voltage (2.7 to 5.5 V),
low power, high speed (30/33 MHz)
TxD (Shift Clock)
TI
RI
Receive
Shift
RxD (Data In)
TxD (Shift Clock)
Send
Shift
RxD (Data Out)
S4 . .
ALE
S1
Write to SBUF
Write to SCON (Clear RI)
. . . .
S6P2
SBUF
Write
to
S6
S6
REN
RI
S1
. . . .
D0
S3P1
S6
D0
S1
Interrupt
S5P2
Serial
Port
. . . .
D1
D
S6P1
CL
S
S6
D1
Q
S1
LSB
. . . .
TX Clock
Start
Read
SBUF
Start
RX Clock
D2
S6
LSB
Load
SBUF
Figure 14. Serial Port Mode 0
D2
Zero Detector
S1
TX Control
RX Control
1
. . . .
D3
80C51 Internal Bus
80C51 Internal Bus
1
T1
R1
Input Shift Register
SBUF
1
S6
D3
1
SBUF
S1
26
1
. . . .
D4
1
Receive
1
S6
Shift
Send
Shift
D4
0
S1
Shift
MSB
. . . .
D5
MSB
S6
D5
S1
. . . .
D6
Shift
Clock
S6
P80C3xX2; P80C5xX2;
D6
S1
. . . .
D7
Function
P3.0 Alt
Input
RxD
S6
D7
S1
Function
P3.0 Alt
Output
. . . .
RxD
S6
P87C5xX2
Function
P3.1 Alt
Output
S1
TxD
Product data
Transmit
Receive
SU00539