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83C749 Datasheet(PDF) 2 Page - NXP Semiconductors

Part No. 83C749
Description  80C51 8-bit microcontroller family 2K/64 OTP/ROM, 5 channel 8-bit A/D, PWM, low pin count
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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83C749 Datasheet(HTML) 2 Page - NXP Semiconductors

 
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Philips Semiconductors
Preliminary specification
83C749/87C749
80C51 8-bit microcontroller family
2K/64 OTP/ROM, 5 channel 8-bit A/D, PWM, low pin count
2
1998 Apr 23
DESCRIPTION
The Philips 83C749/87C749 offers many of the advantages of the
80C51 architecture in a small package and at low cost.
The 8XC749 Microcontroller is fabricated with Philips high-density
CMOS technology. Philips epitaxial substrate minimizes CMOS
latch-up sensitivity.
The 8XC749 contains a 2k
× 8 ROM (83C749) EPROM (87C749), a
64
× 8 RAM, 21 I/O lines, a 16-bit auto-reload counter/timer, a
fixed-priority level interrupt structure, an on-chip oscillator, a five
channel multiplexed 8-bit A/D converter, and an 8-bit PWM output.
The EPROM version of this device, the 87C749, is available in
plastic one-time programmable (OTP) packages. Once the array
has been programmed, it is functionally equivalent to the masked
ROM 83C749. Thus, unless explicitly stated otherwise, all
references made to the 83C749 apply equally to the 87C749.
The 83C749 supports two power reduction modes of operation
referred to as the idle mode and the power-down mode.
FEATURES
Available in erasable quartz lid or One-Time Programmable plastic
packages
80C51 based architecture
Small package sizes
– 28-pin DIP
– 28-pin Shrink Small Outline Package (SSOP)
– 28-pin PLCC
Wide oscillator frequency range: 3.5MHz to 16MHz
Low power consumption:
– Normal operation: less than 11mA @ 5V, 12MHz
– Idle mode
– Power-down mode
2k × 8 ROM (83C749)
EPROM (87C749)
64 × 8 RAM
16-bit auto reloadable counter/timer
5-channel 8-bit A/D converter
8-bit PWM output/timer
10-bit fixed-rate timer
Boolean processor
CMOS and TTL compatible
Well suited for logic replacement, consumer and industrial
applications
PART NUMBER SELECTION
ROM
EPROM1
TEMPERATURE RANGE
°C
AND PACKAGE
FREQUENCY
DRAWING
NUMBER
P83C749EBP N
P87C749EBP N
OTP
0 to +70, 28-pin Plastic Dual In-line Package
3.5 to 16MHz
SOT117-2
P83C749EBA A
P87C749EBA A
OTP
0 to +70, 28-pin Plastic Leaded Chip Carrier
3.5 to 16MHz
SOT261-3
P83C749EBD DB
P87C749EBD DB
OTP
0 to +70, 28-pin Shrink Small Outline Package
3.5 to 16MHz
SOT341-1
NOTE:
1. OTP = One Time Programmable EPROM.


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