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8-bit microcontroller. P80C31 Datasheet |
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INTEGRATED CIRCUITS
80C51/87C51/80C31
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
Product specification
Supersedes data of 1999 Apr 01
IC28 Data Handbook
2000 Jan 20
Philips
Semiconductors
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Philips Semiconductors
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
Product specification
80C51/87C51/80C31
DESCRIPTION
The Philips 8XC51/31 is a high-performance static 80C51 design
fabricated with Philips high-density CMOS technology with operation
from 2.7V to 5.5V.
The 8XC51/31 contains a 4k × 8 ROM, a 128 × 8 RAM, 32 I/O lines,
three 16-bit counter/timers, a six-source, four-priority level nested
interrupt structure, a serial I/O port for either multi-processor
communications, I/O expansion or full duplex UART, and on-chip
oscillator and clock circuits.
In addition, the device is a low power static design which offers a
wide range of operating frequencies down to zero. Two software
selectable modes of power reduction—idle mode and power-down
mode are available. The idle mode freezes the CPU while allowing
the RAM, timers, serial port, and interrupt system to continue
functioning. The power-down mode saves the RAM contents but
freezes the oscillator, causing all other chip functions to be
inoperative. Since the design is static, the clock can be stopped
without loss of user data and then the execution resumed from the
point the clock was stopped.
SELECTION TABLE
For applications requiring more ROM and RAM,
see the 8XC52/54/58/80C32, 8XC51FA/FB/FC/80C51FA,
and 8XC51RA+/RB+/RC+/80C51RA+ data sheet.
ROM/EPROM
Memory Size
(X by 8)
RAM Size
(X by 8)
Programmable
Timer Counter
(PCA)
80C31/8XC51
0K/4K
128 No
80C32/8XC52/54/58
0K/8K/16K/32K
256
No
80C51FA/8XC51FA/FB/FC
0K/8K/16K/32K
256
Yes
80C51RA+/8XC51RA+/RB+/RC+
0K/8K/16K/32K
512
Yes
8XC51RD+
64K
1024
Yes
Hardware
Watch Dog
Timer
No
No
No
Yes
Yes
FEATURES
• 8051 Central Processing Unit
– 4k × 8 ROM (80C51)
– 128 × 8 RAM
– Three 16-bit counter/timers
– Boolean processor
– Full static operation
– Low voltage (2.7V to 5.5V@ 16MHz) operation
• Memory addressing capability
– 64k ROM and 64k RAM
• Power control modes:
– Clock can be stopped and resumed
– Idle mode
– Power-down mode
• CMOS and TTL compatible
• TWO speed ranges at VCC = 5V
– 0 to 16MHz
– 0 to 33MHz
• Three package styles
• Extended temperature ranges
• Dual Data Pointers
• Security bits:
– ROM (2 bits)
– OTP/EPROM (3 bits)
• Encryption array—64 bytes
• 4 level priority interrupt
• 6 interrupt sources
• Four 8-bit I/O ports
• Full–duplex enhanced UART
– Framing error detection
– Automatic address recognition
• Programmable clock out
• Asynchronous port reset
• Low EMI (inhibit ALE)
• Wake-up from Power Down by an external interrupt (8XC51)
2000 Jan 20
2 853–0169 23001
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Philips Semiconductors
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, low voltage (2.7V–5.5V),
low power, high speed (33 MHz)
Product specification
80C51/87C51/80C31
80C51/87C51 AND 80C31 ORDERING INFORMATION
MEMORY SIZE
4K × 8
ROMless
TEMPERATURE RANGE °C
AND PACKAGE
ROM P80C51SBPN
OTP P87C51SBPN
P80C31SBP N
0 to +70, Plastic Dual In-line Package
ROM P80C51SBAA
OTP P87C51SBAA
P80C31SBA A
0 to +70, Plastic Leaded Chip Carrier
ROM P80C51SBBB
OTP P87C51SBBB
P80C31SBB B
0 to +70, Plastic Quad Flat Pack
ROM P80C51SFP N
OTP P87C51SFP N
P80C31SFP N
–40 to +85, Plastic Dual In-line Package
ROM P80C51SFA A
OTP P87C51SFA A
P80C31SFA A
–40 to +85, Plastic Leaded Chip Carrier
ROM P80C51SFB B
OTP P87C51SFB B
P80C31SFB B
–40 to +85, Plastic Quad Flat Pack
ROM P80C51UBAA
OTP P87C51UBAA
P80C31UBAA
0 to +70, Plastic Leaded Chip Carrier
ROM P80C51UBPN
OTP P87C51UBPN
P80C31UBPN
0 to +70, Plastic Dual In-line Package
ROM P80C51UBBB
OTP P87C51UBBB
P80C31UBBB
0 to +70, Plastic Quad Flat Pack
ROM P80C51UFA A
OTP P87C51UFA A
P80C31UFA A
–40 to +85, Plastic Leaded Chip Carrier
ROM P80C51UFPN
OTP P87C51UFPN
P80C31UFP N
–40 to +85, Plastic Dual In-line Package
ROM P80C51UFBB
OTP P87C51UFBB
P80C31UFB B
–40 to +85, Plastic Quad Flat Pack
VOLTAGE
RANGE
FREQ.
(MHz)
DWG.
#
2.7V to 5.5V 0 to 16 SOT129-1
2.7V to 5.5V 0 to 16 SOT187-2
2.7V to 5.5V 0 to 16 SOT307-2
2.7V to 5.5V 0 to 16 SOT129-1
2.7V to 5.5V 0 to 16 SOT187-2
2.7V to 5.5V 0 to 16 SOT307-2
5V 0 to 33 SOT187-2
5V 0 to 33 SOT129-1
5V 0 to 33 SOT307-2
5V 0 to 33 SOT187-2
5V 0 to 33 SOT129-1
5V 0 to 33 SOT307-2
80C51/87C51 AND 80C31 ORDERING INFORMATION
DEVICE NUMBER (P87C51) OPERATING FREQUENCY, MAX (S)
P80C51 ROM
S = 16 MHz
P87C51 OTP
U = 33 MHz
P80C31 ROMless
TEMPERATURE RANGE (B)
B = 0_ to +70_C
F = –40_C to +85_C
PACKAGE (AA)
AA = PLCC
BB = PQFP
PN = PDIP
2000 Jan 20
3
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