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EP9315-IBZ
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P39
P40-P42
P43-P45
P46-P48
P49-P51
P52-P54
P55-P57
P58-P60
P61-P63
P64-P64
DS638F2
Copyright 201
0 Cirrus Logic (A
ll Rights Reser
ved)
37
EP9315
Enhanced Univ
ersal Platform SOC Processor
Note:
The definitions for the DIOWn:ST
OP
, DIORn:HDMARDYn
:HSTR
OBE and IORDY:DDMARDYn:DSTROBE signal lines are not
in effect until DMARQ and DMACKn are a
sserted.
Figure 21. Initiating an Ultra DMA data-in Bu
rst
DMARQ
(device)
DMACKn
(host)
STOP
(host)
HDMARDYn
(host)
DSTROBE
(device
)
DD (15:0)
IDEDA[
2:0]
IDECS0n,
IDECS1n
t
UI
t
ACK
t
ACK
t
ACK
t
AZ
t
ZIORDY
t
ENV
t
ZAD
t
DVS
t
DVH
t
FS
t
ZAD
t
ENV
38
Copyright 20
10 Cirrus Logi
c (All Rights Rese
rved)
DS638F2
EP9315
Enhanced Universal Platform
SOC Processor
Note:
DD (15:0) and DSTROBE signals are shown at both the h
ost an
d the device to emphasize that cable settling time as well as
cable propagation delay shall not allow the da
ta signals to be considered stable at the
host until some
time after they are dri
ven
by the device.
Figure 22. Sustained Ultra D
MA data-in Burst
Figure 23. Host Pausing an U
ltra DMA data-in Burst
DSTROBE
(device)
DD (15:0)
(device)
DSTROBE
(host)
DD (15:0)
(host)
t
CYCRD
t
2CYCRD
t
2CYCRD
t
CYCRD
t
DVH
t
DVS
t
DVH
t
DVS
t
DVH
t
DH
t
DS
t
DS
t
DH
t
DH
DD(15:0)
(device)
DSTROBE
(device)
HDMARDYn
(host)
STOP
(host)
DMACKn
(host)
DMARQ
(device)
t
RP
t
SR
t
RFS
DS638F2
Copyright 201
0 Cirrus Logic (A
ll Rights Reser
ved)
39
EP9315
Enhanced Univ
ersal Platform SOC Processor
Note:
The definitions for the DIOWn:STOP
, DI
ORn:HDMARDY
n:HSTROBE and IORDY:DDMARDYn:
DSTROBE signal lines are no
longer in effect after DMARQ and DMACKn are negated.
Figure 24. Device Terminating an Ul
tra DMA data-in Burst
DMARQ
(device)
DMACKn
(host)
STOP
(host)
HDMARDYn
(host)
DSTROBE
(device)
DD (15:0)
IDEDA[2:0]
IDECS0n,
IDECS1n
t
LI
t
MLI
t
ZAH
t
ACK
t
SS
t
AZ
t
DVS
t
DVH
t
IORDYZ
t
LI
t
LI
t
ACK
t
ACK
CRC
P1-P3
P4-P6
P7-P9
P10-P12
P13-P15
P16-P18
P19-P21
P22-P24
P25-P27
P28-P30
P31-P33
P34-P36
P37-P39
P40-P42
P43-P45
P46-P48
P49-P51
P52-P54
P55-P57
P58-P60
P61-P63
P64-P64
EP9315-IBZ
Mfr. #:
Buy EP9315-IBZ
Manufacturer:
Cirrus Logic
Description:
Microprocessors - MPU IC Universal Platfrm ARM9 SOC Prcessor
Lifecycle:
New from this manufacturer.
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