P89V51RB2BBC,557 NXP Semiconductors, P89V51RB2BBC,557 Datasheet - Page 56

• Manufacturer Part Number: P89V51RB2BBC,557
• Description: IC 80C51 MCU 1024 RAM 44TQFP
• Manufacturer: NXP Semiconductors
• Series: 89Vr

Specifications of P89V51RB2BBC,557

• Program Memory Type: FLASH
• Program Memory Size: 16KB (16K x 8)
• Package / Case: 44-TQFP, 44-VQFP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Processor Series: P89V5x
• Core: 80C51
• Data Bus Width: 8 bit
• Data Ram Size: 1 KB
• Interface Type: SPI, UART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 32
• Number Of Timers: 3
• 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: 622-1017 - BOARD 44-ZIF PLCC SOCKET
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 935277723557; P89V51RB2BBC; P89V51RB2BBC

NXP Semiconductors
P89V51RB2_RC2_RD2_5
Product data sheet
Fig 27. Interrupt structure
CCFn
SPIF
CF
brownout
ECCFn
SPIE
INT0#
INT1#
ECF
TF1
TF0
EXF2
TF2
RI
TI
0
1
0
1
Table 44.
Bit addressable; Reset value: 00H
Bit
Symbol
IT0
IT1
individual
enables
IEN0 - Interrupt enable register 0 (address A8H) bit allocation
IE0
IE1
EA
7
IE and IEA
registers
Rev. 05 — 12 November 2009
EC
6
global
disable
ET2
5
IP/IPH/IPA/IPAH
registers
ES
4
P89V51RB2/RC2/RD2
8-bit microcontrollers with 80C51 core
ET1
3
EX1
2
© NXP B.V. 2009. All rights reserved.
ET0
highest
priority
interrupt
1
002aaa544
interrupt
polling
sequence
lowest
priority
interrupt
EX0
56 of 80
0