AT91SAM9G45-EKES Atmel, AT91SAM9G45-EKES Datasheet - Page 763

• Manufacturer Part Number: AT91SAM9G45-EKES
• Description: KIT EVAL FOR AT91SAM9G45
• Manufacturer: Atmel
• Series: AT91SAM Smart ARMr
• Type: MCUr

Specifications of AT91SAM9G45-EKES

• Contents: Board
• Processor To Be Evaluated: SAM9G45
• Data Bus Width: 32 bit
• Interface Type: I2C, SPI, UART
• Maximum Operating Temperature: + 50 C
• Minimum Operating Temperature: - 10 C
• Operating Supply Voltage: 1.8 V to 3.3 V
• For Use With/related Products: AT91SAM9G45
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q4626953

36.7
Figure 36-3. High Speed MultiMedia Memory Card Bus Topology
6438F–ATARM–21-Jun-10
Bus Topology
The High Speed MultiMedia Card communication is based on a 13-pin serial bus interface. It has
three communication lines and four supply lines.
Table 36-4.
Notes:
Pin
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
2. When several HSMCI (x HSMCI) are embedded in a product, MCCK refers to HSMCIx_CK,
1. I: Input, O: Output, PP: Push/Pull, OD: Open Drain.
MCCDA to HSMCIx_CDA, MCDAy to HSMCIx_DAy.
Bus Topology
Name
DAT[3]
CMD
VSS1
VDD
CLK
VSS2
DAT[0]
DAT[1]
DAT[2]
DAT[4]
DAT[5]
DAT[6]
DAT[7]
1
9 1011
Type
I/O/PP
I/O/PP/OD
S
S
I/O
S
I/O/PP
I/O/PP
I/O/PP
I/O/PP
I/O/PP
I/O/PP
I/O/PP
2 3 4 5 6
MMC
(1)
1213 8
7
Description
Data
Command/response
Supply voltage ground
Supply voltage
Clock
Supply voltage ground
Data 0
Data 1
Data 2
Data 4
Data 5
Data 6
Data 7
AT91SAM9G45
MCCDz
VSS
VDD
VSS
MCDz4
MCDz5
MCDz6
MCDz7
HSMCI Pin
Name
(Slot z)
MCDz3
MCCK
MCDz0
MCDz1
MCDz2
((2)
763