N80C251TB24 Intel, N80C251TB24 Datasheet - Page 7
![no-image](/images/manufacturer_photos/0/3/336/intel_sml.jpg)
N80C251TB24
Manufacturer Part Number
N80C251TB24
Description
IC MPU 8-BIT 5V 24MHZ 44-PLCC
Manufacturer
Intel
Series
80Cr
Datasheet
1.N80C251TQ24.pdf
(36 pages)
Specifications of N80C251TB24
Rohs Status
RoHS non-compliant
Core Processor
MCS 251
Core Size
8-Bit
Speed
24MHz
Connectivity
SIO
Peripherals
PWM, WDT
Number Of I /o
32
Program Memory Type
ROMless
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
44-PLCC
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Other names
816721
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
N80C251TB24
Manufacturer:
INTEL
Quantity:
12 388
Part Number:
N80C251TB24
Manufacturer:
INTEL
Quantity:
20 000
1.0
A member of the Intel family of 8-bit MCS 251 micro-
controllers,
compatible with MCS 51 microcontrollers and pin
compatible with 40-pin PDIP and 44-pin PLCC
MCS 51 microcontrollers. MCS 251 microcontrollers
INTRODUCTION
System Bus and I/O Ports
the
SRC2 (8)
SRC1 (8)
Code Bus (16)
Drivers
P0.7:0
Port 0
ALU
DST (16)
8xC251TB/TQ
Instruction Sequencer
Drivers
Memory Data (16)
P2.7:0
Memory Address (16)
Port 2
Bus Interface
Register
File
Figure 1. 8xC251TB/TQ Block Diagram
MCS
is
Code Address (24)
OTPROM/ROM
8xC251TB/TQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
16 Kbytes
8 Kbytes
®
Interface
Memory
binary-code
Code
Data
251 Microcontroller Core
or
feature
addressing, and efficient C-language support. The
8xC251TB/TQ has 512 bytes or 1 Kbyte of on-chip
RAM and is available with 8 Kbytes or 16 Kbytes of
on-chip ROM, or without ROM. A variety of features
can be selected by new user-programmable configu-
rations.
Peripheral
1024 Bytes
Interface
Interrupt
Data RAM
an
512 Bytes
Handler
Clock
Reset
or
&
enriched
Clock & Reset
Drivers
P1.7:0
Port 1
Peripheral Signals
instruction
I/O Ports and
Peripherals
Watchdog
Serial I/O
Counters
Timer/
Timer
PCA
Ports
Drivers
P3.7:0
Two
Port 3
set,
B2976-01
linear
1