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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
46
Copyright 20
10 Cirrus Logi
c (All Rights Rese
rved)
DS638F2
EP9315
Enhanced Universal Platform
SOC Processor
Figure 31. Ethernet MA
C Timing Measurement
TXCLK
TXD[3:0]/
TXEN/
TXERR
RXCLK
RXD[3:0]/
RXDVAL/
RXERR
MDC
MDIO
(Sourced
by STA)
MDC
MDIO
(Sourced
by PHY)
t
TXd
t
RXs
t
RXh
t
MDIOs
t
MDIOh
t
TX_high
t
TX_low
t
RX_high
t
RX_low
t
MDC_high
t
MDC_low
t
TX_per
t
RX_per
t
MDC_per
t
MDIOd
DS638F2
Copyright 201
0 Cirrus Logic (A
ll Rights Reser
ved)
47
EP9315
Enhanced Univ
ersal Platform SOC Processor
Audio Interface
Note:
The tspix_clk is programmable by the user
.
The following table
contains the values fo
r the timings of ea
ch of the SPI modes.
Parameter
Symbol
Min
T
yp
Max
Unit
SCLK cycle time
t
clk_per
-
tspix_clk
-
ns
SCLK high time
t
clk_high
-
(
tspi
x_clk) / 2
-
ns
SCLK low time
t
clk_low
-
(
tspi
x_clk) / 2
-
ns
SCLK rise/fall time
t
clkrf
1-8
n
s
Data from master valid delay time
t
DMd
--
3
n
s
Data from master setup time
t
DMs
20
-
-
ns
Data from master hold time
t
DMh
40
-
-
ns
Data from slave setup time
t
DSs
20
-
-
ns
Data from slave hold time
t
DSh
40
-
-
ns
48
Copyright 20
10 Cirrus Logi
c (All Rights Rese
rved)
DS638F2
EP9315
Enhanced Universal Platform
SOC Processor
T
exas Instruments’ Synchronous Serial Format
Microwire
Figure 32.
TI
Single Transfer Timing Measurement
Figure 33. Microwire Frame Format, Single Tran
sfer
SCLK
SFRM
SSPTXD/
SSPRXD
4 to 16 bits
MS
B
LS
B
t
clk_pe
r
t
clk_l
ow
t
clk_high
t
clkrf
SCLK
SFRM
SSPTXD
SSPRXD
0
MSB
LSB
4 to
16
bits
ou
tpu
t
da
ta
t
clkr
f
t
clk_h
igh
t
clk_l
ow
t
clk_per
MSB
LSB
8-bi
t cont
rol
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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Products related to this Datasheet
EP9315-IBZ
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