AT91SAM9G45-CU-999 Atmel, AT91SAM9G45-CU-999 Datasheet - Page 764

• Manufacturer Part Number: AT91SAM9G45-CU-999
• Description: IC MCU ARM9 APMC 324TFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM9G45-CU-999

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 400MHz
• Connectivity: EBI/EMI, Ethernet, I²C, IrDA, MMC, SPI, SSC, UART/USART, USB
• Peripherals: AC'97, DMA, I²S, LCD, POR, PWM, WDT
• Number Of I /o: 160
• Program Memory Size: 64KB (64K x 8)
• Program Memory Type: ROM
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 0.9 V ~ 1.1 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 324-TFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed

Figure 36-4. MMC Bus Connections (One Slot)
Note:
Figure 36-5. SD Memory Card Bus Topology
6438F–ATARM–21-Jun-10
When several HSMCI (x HSMCI) are embedded in a product, MCCK refers to HSMCIx_CK, MCCDA to HSMCIx_CDA MCDAy
to HSMCIx_DAy.
HSMCI
The SD Memory Card bus includes the signals listed in
Table 36-5.
Notes:
Pin
Number
1
2
3
4
5
6
7
8
9
MCCDA
MCCK
MCDA0
1. I: input, O: output, PP: Push Pull, OD: Open Drain.
2. When several HSMCI (x HSMCI) are embedded in a product, MCCK refers to HSMCIx_CK,
MCCDA to HSMCIx_CDA, MCDAy to HSMCIx_DAy.
SD Memory Card Bus Signals
Name
CD/DAT[3]
CMD
VSS1
VDD
CLK
VSS2
DAT[0]
DAT[1]
DAT[2]
1
9 1011
2 3 4 5 6
MMC1
9
1
Type
I/O/PP
PP
S
S
I/O
S
I/O/PP
I/O/PP
I/O/PP
1213 8
2 3 4 5 6
SD CARD
7
(1)
7 8
1
9 1011
2 3 4 5 6
Description
Card detect/ Data line Bit 3
Command/response
Supply voltage ground
Supply voltage
Clock
Supply voltage ground
Data line Bit 0
Data line Bit 1 or Interrupt
Data line Bit 2
MMC2
1213 8
7
Table
1
9 1011
2 3 4 5 6
MMC3
36-5.
1213 8
AT91SAM9G45
7
HSMCI Pin
Name
(Slot z)
MCDz3
MCCDz
VSS
VDD
MCCK
VSS
MCDz0
MCDz1
MCDz2
(2)
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