HD64570F16 Renesas Electronics America, HD64570F16 Datasheet - Page 199

• Manufacturer Part Number: HD64570F16
• Description: IC SCA SRL COMM ADAPTER 88QFP
• Manufacturer: Renesas Electronics America

Specifications of HD64570F16

• Applications: ISDN
• Interface: Serial
• Voltage - Supply: 4.75 V ~ 5.25 V
• Package / Case: 88-QFP
• Mounting Type: Surface Mount
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temp Range: -20C to 75C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Character
assembly
Receive data
Sampling timing
Start bit search
Start bit check (space detected)
Space detected
(a) True Start Bit Detection
Receive data
Sampling timing
Start bit search
Start bit search
Start bit check (mark detected)
Space detected
(b) False Start Bit (Noise) Detection
Figure 5.18 Start Bit Sampling
Rev. 0, 07/98, page 183 of 453