P87C52SBBB NXP Semiconductors, P87C52SBBB Datasheet - Page 27
P87C52SBBB
Manufacturer Part Number
P87C52SBBB
Description
MCU 8-Bit 87C 80C51 CISC 8KB EPROM 3.3V/5V 44-Pin PQFP
Manufacturer
NXP Semiconductors
Datasheet
1.P87C52UBAA512.pdf
(38 pages)
Specifications of P87C52SBBB
Package
44PQFP
Device Core
80C51
Family Name
87C
Maximum Speed
33 MHz
Ram Size
256 Byte
Program Memory Size
8 KB
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Program Memory Type
EPROM
Number Of Programmable I/os
32
Interface Type
UART
Operating Temperature
0 to 70 °C
Number Of Timers
3
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
P87C52SBBB
Manufacturer:
PHILIPS
Quantity:
672
Part Number:
P87C52SBBB
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Company:
Part Number:
P87C52SBBB,557
Manufacturer:
NXP Semiconductors
Quantity:
10 000
Company:
Part Number:
P87C52SBBB557
Manufacturer:
NXP Semiconductors
Quantity:
26 740
Philips Semiconductors
2000 Aug 07
WRITE TO SBUF
INSTRUCTION
PORT 0
PORT 2
INPUT DATA
OUTPUT DATA
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
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
–0.5
P2.0–P2.7 OR A8–A15 FROM DPF
Figure 16. External Data Memory Write Cycle
t
XHQX
2
Figure 17. Shift Register Mode Timing
1
VALID
t
QVWX
Figure 18. External Clock Drive
0.2V
t
CHCL
0.7V
t
CC
t
XHDX
DATA OUT
QVWH
CC
3
t
WLWH
–0.1
2
VALID
27
t
CLCX
4
t
CLCL
VALID
3
t
CHCX
t
CLCH
t
WHLH
t
5
WHQX
80C51/87C51/80C52/87C52
SU00009
VALID
4
A0–A7 FROM PCL
A0–A15 FROM PCH
6
VALID
5
7
VALID
6
Product specification
INSTR IN
8
SU00026
SET TI
VALID
SET RI
SU00027
7