Datasheet

Data Sheet ADuC7019/20/21/22/24/25/26/27/28/29
Rev. F | Page 91 of 104
04955-040
UCLK
AD[16:0]
ADDRESS DATA
MSx
AE
RS
Figure 83. External Memory Read Cycle
04955-041
DATAADDRESS
EXTRA ADDRESS
HOLD TIME
XMxPAR (BIT 10)
BUS TURN OUT CYCLE
(BIT 9)
BUS TURN OUT CYCLE
(BIT 9)
UCLK
AD[16:0]
MSx
AE
RS
Figure 84. External Memory Read Cycle with Address Hold and Bus Turn Cycles