HT83C51 Honeywell Microelectronics & Precision Sensors, HT83C51 Datasheet - Page 9

• 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: -

SERIAL PORT TIMING CHARACTERISTICS—SHIFT REGISTER MODE (MODE 0)
Symbol
TXLXL
TQVXH
TXHQX
TXHDX
TXHDV
SERIAL PORT TIMING WAVEFORMS
OUTPUT
CLOCK
(WRITE TO SBUF)
INPUT
(CLEAR RI)
DATA
DATA
ALE
TQVXH
0
Parameter
Serial Port Clock Period
Output Data Setup to Clock Rising Edge
Output Data Hold after Clock Rising Edge
Input Data Hold after Clock Rising Edge
Clock Rising Edge to Input Data Valid
TXHQX
TXHDV
1
0
VALID
TXLXL
2
1
VALID
3
TXHDX
2
VALID
4
3
VALID
5
4
VALID
6
5
VALID
16 MHz Oscillator
9
Min
750
492
8
0
7
6
VALID
Max
492
8
7
SET TI
VALID
SET RI
10 TCLCL-133
2 TCLCL-117
12 TCLCL
Variable Oscillator
Min
0
10 TCLCL-133
Max
HT83C51
Unit
ns
ns
ns
ns
ns