HD64570 HITACHI [Hitachi Semiconductor], HD64570 Datasheet - Page 124

• Manufacturer Part Number: HD64570
• Description: Serial Communications Adaptor
• Manufacturer: HITACHI [Hitachi Semiconductor]

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