AM186ES Advanced Micro Devices, AM186ES Datasheet - Page 82

• Manufacturer Part Number: AM186ES
• Description: microcontrollers provide a low-cost/ high-performance solution for embedded system designers who wish to use the x86 architecture.
• Manufacturer: Advanced Micro Devices

82
A17, A15, A13, A11,
A17, A15, A13, A11,
A9, A7, A5, A3, A1
A9, A7, A5, A3, A1
RAS0, RAS1
CAS0, CAS1
RAS0, RAS1
CAS0, CAS1
AD15–AD0
AD15–AD0
CLKOUT
CLKOUT
WR
RD
Figure 41. DRAM Write Cycle with Wait-States Waveform
Am186™CC Communications Controller Data Sheet
Figure 42. DRAM Refresh Cycle Waveform
T4
Row (Invalid)
T4
68
T1
68
Addr.
5
5
Row
T1
404
403
Addr.
T2
402
15
25
7
403
403
T2
TW1
402
20
Column (Invalid)
404
TW2
TW
Column
TW3
Data
T3
403
T3
403
403
404
T4
404
31
T4
27
30