Datasheet

ADuC7019/20/21/22/24/25/26/27/28/29 Data Sheet
Rev. F | Page 92 of 104
04955-042
DATAADDRESS
EXTRA ADDRESS
HOLD TIME
(BIT 10)
WRITE HOLD ADDRESS
AND DATA CYCLES
(BIT 8)
WRITE HOLD ADDRESS
AND DATA CYCLES
(BIT 8)
UCLK
AD[16:0]
MSx
AE
WS
Figure 85. External Memory Write Cycle with Address and Write Hold Cycles
0
4955-043
DATAADDRESS
1 WRITE STROBE WAIT STATE
(BIT 7 TO BIT 4)
1 ADDRESS WAIT STATE
(BIT 14 TO BIT 12)
UCLK
AD[16:0]
MSx
AE
WS
Figure 86. External Memory Write Cycle with Wait States