HD64570F Renesas Electronics America, HD64570F Datasheet - Page 94

• Manufacturer Part Number: HD64570F
• Description: IC SCA SRL COMM ADAPTER 88QFP
• Manufacturer: Renesas Electronics America

Specifications of HD64570F

• Applications: ISDN
• Interface: Serial
• Voltage - Supply: 4.5 V ~ 5.5 V
• Package / Case: 88-QFP
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Rev. 0, 07/98, page 78 of 453
CLK
BHE
A to A
AS (ME)
WAIT
RD
WR
D to D
(Out)
D to D
(In)
0
0
0
CLK
BHE
A to A
AS (ME)
WAIT
RD
WR
D to D
(Out)
D to D
(In)
0
0
0
Figure 3.15 Master Mode Bus Timing Sequence in CPU Mode 0
23
15
15
23
15
15
T
1
DMA read cycle
T
DMA read cycle
1
Memory address
Memory address
T
2
T
2
Data
latch point
T
W
With T
Data
latch point
No T
T
3
T
W
3
W
Transmit data
states
states
T
DMA write cycle
Transmit data
1
Memory address
T
DMA write cycle
1
Receive data
T
2
Memory address
T
Receive data
2
T
3
T
W
T
3