HD64570F16 Renesas Electronics America, HD64570F16 Datasheet - Page 124

• 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

Rev. 0, 07/98, page 108 of 453
CLK
HDS, LDS
R/W
RTS
CLK
HDS, LDS
R/W
RTS
RTS
CLK
WR
Figure 5.1 Modem Control Signal Timing (cont)
T1
T1
T1
(c) CPU Mode 1, MPU Write Cycle
(d) CPU Mode 2, MPU Write Cycle
(e) CPU Mode 3, MPU Write Cycle
MPU write cycle
T2
T2
T2
MPU write cycle
MPU write cycle
T3
T3
T3
T4
T4
T4
T5
T5
T5
T6