AT91SAM9G45-CU-999 Atmel, AT91SAM9G45-CU-999 Datasheet - Page 1197
AT91SAM9G45-CU-999
Manufacturer Part Number
AT91SAM9G45-CU-999
Description
IC MCU ARM9 APMC 324TFBGA
Manufacturer
Atmel
Series
AT91SAMr
Datasheet
1.AT91SAM9G45-EKES.pdf
(1218 pages)
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
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Manufacturer
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49.2.4
49.2.4.1
49.2.5
49.2.5.1
49.2.5.2
49.2.6
49.2.6.1
6438F–ATARM–21-Jun-10
Static Memory Controller (SMC)
Serial Synchronous Controller (SSC)
Touch Screen (TSADCC)
SMC Delay: Access
SSC: Data sent without any frame synchro
SSC: Unexpected delay on TD output
TSADCC: Pen detect accuracy is not good
In this document, the Access is “Read-write” in the Register Mapping Table (SMC_DELAY1 to
SMC_DELAY8 rows), and in the SMC DELAY I/O Register.
The current access is “Write-only”.
None
When SSC is configured with the following conditions:
The data is sent but there is not any toggle of the TF line
Transmit STTDLY must be different from 0.
When SSC is configured with the following conditions:
Unexpected delay of 2 or 3 system clock cycles is added to TD output.
None
Depending on LCD panels, the pen detect is noisy, leading to an unpredictable behavior.
An additional resistor solves the problem. Its value (between 100 kOhm and 250 kOhm) is to be
tuned for the LCD panel.
• RF is in input,
• TD is synchronized on a receive START (any condition: START field = 2 to 7)
• TF toggles at each start of data transfer
• Transmit STTDLY = 0
• Check TD and TF after a receive START,
• TCMR.STTDLY more than 0
• RCMR.START = Start on falling edge/Start on Rising edge/Start on any edge
• RFMR.FSOS = None (input)
• TCMR.START = Receive Start
Problem/Fix Workaround
Problem/Fix Workaround
Problem/Fix Workaround
Problem/Fix Workaround
AT91SAM9G45
1197
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