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NXP Semiconductors Electronic Components Datasheet

80C550 Datasheet

80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless/ 8 channel 8 bit A/D/ watchdog timer

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80C550 pdf
INTEGRATED CIRCUITS
80C550/83C550/87C550
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D,
watchdog timer
Product specification
Supersedes data of 1998 Jan 19
IC20 Data Handbook
1998 May 01
Philips
Semiconductors



NXP Semiconductors Electronic Components Datasheet

80C550 Datasheet

80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless/ 8 channel 8 bit A/D/ watchdog timer

No Preview Available !

80C550 pdf
Philips Semiconductors
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
Product specification
80C550/83C550/87C550
DESCRIPTION
The Philips 8XC550 is a high-performance microcontroller fabricated
with Philips high-density CMOS technology. This Philips CMOS
technology combines the high speed and density characteristics of
HMOS with the low power attributes of CMOS. Philips epitaxial
substrate minimizes latch-up sensitivity. The CMOS 8XC550 has the
same instruction set as the 80C51.
The 8XC550 contains a 4k × 8 EPROM (87C550)/ROM
(83C550)/ROMless (80C550 has no program memory on-chip), a
128 × 8 RAM, 8 channels of 8-bit A/D, four 8-bit ports (port 1 is input
only), a watchdog timer, two 16-bit counter/timers, a seven-source,
two-priority level nested interrupt structure, a serial I/O port for either
multi-processor communications, I/O expansion or full duplex UART,
and an on-chip oscillator and clock circuits.
In addition, the 8XC550 has two software selectable modes of
power reduction—idle mode and power-down mode. 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.
FEATURES
80C51 based architecture
– 4k × 8 EPROM (87C550)/ROM (83C550)
– 128 × 8 RAM
– Eight channels of 8-bit A/D
– Two 16-bit counter/timers
– Watchdog timer
– Full duplex serial channel
– Boolean processor
Memory addressing capability
– 64k ROM and 64k RAM
Power control modes:
– Idle mode
– Power-down mode
CMOS and TTL compatible
One speed range at VCC = 5V ±10%
– 3.5 to 16MHz
Extended temperature ranges
OTP package available
ORDERING INFORMATION
ROMless
ROM
EPROM
P80C550EBP N P83C550EBP N P87C550EBP N
P80C550EBA A P83C550EBA A P87C550EBA A
P80C550EFA A P83C550EFA A P87C550EFA A
NOTES:
1. OTP = One Time Programmable EPROM.
OTP
OTP
OTP
TEMPERATURE RANGE °C
AND PACKAGE 1
0 to +70, Plastic Dual In-Line Package
0 to +70, Plastic Leaded Chip Carrier
–40 to +85, Plastic Leaded Chip Carrier
FREQ
MHz
3.5 to 16
3.5 to 16
3.5 to 16
DRAWING
NUMBER
SOT129-1
SOT187-2
SOT187-2
1998 May 01
2 853-1568 19329



NXP Semiconductors Electronic Components Datasheet

80C550 Datasheet

80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless/ 8 channel 8 bit A/D/ watchdog timer

No Preview Available !

80C550 pdf
Philips Semiconductors
80C51 8-bit microcontroller family
4K/128 OTP/ROM/ROMless, 8 channel 8 bit A/D, watchdog timer
Product specification
80C550/83C550/87C550
BLOCK DIAGRAM
VCC
VSS
RAM ADDR
REGISTER
RAM
P0.0–P0.7
PORT 0
DRIVERS
PORT 0
LATCH
P2.0–P2.7
PORT 2
DRIVERS
PORT 2
LATCH
ROM/EPROM
B
REGISTER
ACC
TMP2
TMP1
STACK
POINTER
ALU
PSW
PCON
TL1
SCON TMOD TCON
TH0 TL0 TH1
SBUF IE
IP
INTERRUPT, SERIAL
PORT AND TIMER BLOCKS
PSEN
ALE/PROG
EA/VPP
RST
TIMING
AND
CONTROL
PD
OSCILLATOR
XTAL1
XTAL2
PORT 1
LATCH
PORT 1
DRIVERS
P1.0–P1.7
PORT 3
LATCH
PORT 3
DRIVERS
P3.0–P3.7
PROGRAM
ADDRESS
REGISTER
BUFFER
PC
INCRE-
MENTER
PROGRAM
COUNTER
DPTR
SU00005
1998 May 01
3




Part Number 80C550
Description 80C51 8-bit microcontroller family 4K/128 OTP/ROM/ROMless/ 8 channel 8 bit A/D/ watchdog timer
Maker NXP
Total Page 28 Pages
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