HT83C51 Honeywell Microelectronics & Precision Sensors, HT83C51 Datasheet - Page 2

• Manufacturer Part Number: HT83C51
• Description: IC MICROCONTROLLER 8K 40-DIP
• Manufacturer: Honeywell Microelectronics & Precision Sensors
• Series: HTMOS™r

Specifications of HT83C51

• Core Processor: MCS 51
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: Mask ROM
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -55°C ~ 225°C
• Package / Case: 40-CDIP (0.600", 15.24mm)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

HT83C51
FUNCTIONAL BLOCK DIAGRAM
PSENn
RST
ALE
EAn
XTAL1
Register
Register
Osc.
B
B
XTAL2
ACC
TMP2
PSW
RAM
ALU
P1.0 - P1.7
TMP3
Drivers
Port 1
Port 1
Latch
TMP1
P0.0 - P0.7
Port O
Drivers
Latch
Port O
2
Special Function
Serial Port
Registers,
Timers,
PCA,
Port 2
Pointer
Latch
Stack
P2.0 - P2.7
Drivers
Port 2
Program
P3.0 - P3.7
ROM
Drivers
Port 3
Latch
Port 3
Incrementer
Program
Counter
Program
Address
Register
PC
DPTR
Buffer