P87C51RB2BA,512 NXP Semiconductors, P87C51RB2BA,512 Datasheet - Page 51
![IC 80C51 MCU 512 RAM 44PLCC](/photos/6/98/69845/568-44-plcc_sot187-2_sml.jpg)
P87C51RB2BA,512
Manufacturer Part Number
P87C51RB2BA,512
Description
IC 80C51 MCU 512 RAM 44PLCC
Manufacturer
NXP Semiconductors
Series
87Cr
Datasheet
1.P87C51RC2FA512.pdf
(67 pages)
Specifications of P87C51RB2BA,512
Core Processor
8051
Core Size
8-Bit
Speed
33MHz
Connectivity
EBI/EMI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
32
Program Memory Size
16KB (16K x 8)
Program Memory Type
OTP
Ram Size
512 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
512 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
For Use With
OM10064 - EMULATOR 80C51 PDS51-MK2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
935271248512
P87C51RB2BA
P87C51RB2BA
P87C51RB2BA
P87C51RB2BA
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
P87C51RB2BA,512
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Philips Semiconductors
2003 Jan 24
WRITE TO SBUF
INSTRUCTION
PORT 0
PORT 2
INPUT DATA
OUTPUT DATA
80C51 8-bit microcontroller family
with 512B/1KB RAM, low voltage (2.7 to 5.5 V), low power, high
speed (30/33 MHz)
CLEAR RI
PSEN
ALE
WR
CLOCK
ALE
t
AVLL
0
t
QVXH
FROM RI OR DPL
A0–A7
t
t
1
XHDV
LLAX
t
AVWL
0
t
t
XLXL
VALID
LLWL
V
CC
0.45V
8KB/16KB/32KB/64KB OTP
–0.5
P2.0–P2.7 OR A8–A15 FROM DPF
Figure 36. External Data Memory Write Cycle
t
XHQX
2
Figure 37. Shift Register Mode Timing
VALID
1
t
QVWX
Figure 38. External Clock Drive
0.2V
t
CHCL
0.7V
t
CC
t
XHDX
DATA OUT
QVWH
CC
3
t
WLWH
–0.1
VALID
2
51
t
CLCX
4
t
CLCL
VALID
3
t
CHCX
t
CLCH
t
WHLH
t
5
WHQX
P87C51RA2/RB2/RC2/RD2
VALID
SU00009
4
A0–A7 FROM PCL
A0–A15 FROM PCH
6
VALID
5
7
VALID
6
INSTR IN
Product data
8
VALID
SU00026
SET TI
SET RI
SU00027
7