Atmel Xplained Evaluation Board AT32UC3A3-XPLD AT32UC3A3-XPLD Data Sheet
Product codes
AT32UC3A3-XPLD
986
32072H–AVR32–10/2012
AT32UC3A3
36.14 MCI
The High Speed MultiMedia Card Interface (MCI) supports the MultiMedia Card (MMC) Specifi-
cation V4.2, the SD Memory Card Specification V2.0, the SDIO V1.1 specification and CE-ATA
V1.1.
cation V4.2, the SD Memory Card Specification V2.0, the SDIO V1.1 specification and CE-ATA
V1.1.
Table 36-38. SPI Timings
Symbol
Parameter
Conditions
(1)
1. 3.3V domain: V
VDDIO
from 3.0V to 3.6V, maximum external capacitor = 40 pF
Min.
Max.
Unit
SPI
0
MISO Setup time before SPCK rises
(master)
(master)
3.3V domain
22 +
(t
CPMCK
)/2
(2)
2. t
CPMCK
: Master Clock period in ns.
ns
SPI
1
MISO Hold time after SPCK rises
(master)
(master)
3.3V domain
0
ns
SPI
2
SPCK rising to MOSI Delay
(master)
(master)
3.3V domain
7
ns
SPI
3
MISO Setup time before SPCK falls
(master)
(master)
3.3V domain
22 +
(t
CPMCK
)/2
(3)
3. t
CPMCK
: Master Clock period in ns.
ns
SPI
4
MISO Hold time after SPCK falls
(master)
(master)
3.3V domain
0
ns
SPI
5
SPCK falling to MOSI Delay
master)
master)
3.3V domain
7
ns
SPI
6
SPCK falling to MISO Delay
(slave)
(slave)
3.3V domain
26.5
ns
SPI
7
MOSI Setup time before SPCK rises
(slave)
(slave)
3.3V domain
0
ns
SPI
8
MOSI Hold time after SPCK rises
(slave)
(slave)
3.3V domain
1.5
ns
SPI
9
SPCK rising to MISO Delay
(slave)
(slave)
3.3V domain
27
ns
SPI
10
MOSI Setup time before SPCK falls
(slave)
(slave)
3.3V domain
0
ns
SPI
11
MOSI Hold time after SPCK falls
(slave)
(slave)
3.3V domain
1
ns