HT83C51 Honeywell Microelectronics & Precision Sensors, HT83C51 Datasheet - Page 8

• 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
EXTERNAL PROGRAM MEMORY READ CYCLE
EXTERNAL DATA MEMORY READ CYCLE
EXTERNAL DATA MEMORY WRITE CYCLE
PORT 0
PORT 2
PSENn
ALE
PORT 0
PORT 2
PSENn
PORT 0
PORT 2
RDn
PSENn
ALE
WRn
ALE
TLHLL
TAVLL
A0 - A7 from RI or DPL
TLHLL
TAVLL
A0 - A7 from RI or DPL
TLHLL
TAVLL
TLLPL
P2.0 - P2.7 or A8 - A15 from DPH
A0 - A7
TAVDV
TAVWL
P2.0 - P2.7 or A8 - A15 from DPH
TAVWL
TLLAX
TLLWL
TAVIV
TLLAX
TLLWL
TLLAX
TLLDV
TRLDV
A8 - A15
TLLIV
TPLAZ
TRLAZ
TRLRH
TPLPH
TPLIV
TQVWH
TQVWX
DATA OUT
INSTR IN
TWLWH
8
TPXIX
DATA IN
A0 - A7 from PCL
A0 - A7 from PCL
TWHLH
TRHDX
TPXIZ
A8 - A15 from PCH
TRHDZ
TWHQX
TWHLH
A8 - A15 from PCH
A0 - A7
A8 - A15
INSTR. IN
INSTR. IN