AT91SAM9G45-CU Atmel, AT91SAM9G45-CU Datasheet - Page 1146

MCU ARM9 324-TFBGA

AT91SAM9G45-CU

Manufacturer Part Number
AT91SAM9G45-CU
Description
MCU ARM9 324-TFBGA
Manufacturer
Atmel
Series
AT91SAMr

Specifications of AT91SAM9G45-CU

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
Processor Series
AT91SAMx
Core
ARM926EJ-S
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
800 MHz
Number Of Programmable I/os
160
Number Of Timers
5
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
AT91SAM-ICE, AT91-ISP
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Controller Family/series
AT91
No. Of I/o's
160
Ram Memory Size
64KB
Cpu Speed
400MHz
No. Of Timers
2
Rohs Compliant
Yes
For Use With
AT91SAM9G45-EKES - KIT EVAL FOR AT91SAM9G45
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant

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45.12.26 Contrast Control Register
Name: CONTRAST_CTR
Address:0x00500840
Access: Read-write
Reset value: 0x00000000
• PS
This 2-bit value selects the configuration of a counter prescaler. The meaning of each combination is as follows:
• POL
This bit defines the polarity of the output. If 1, the output pulses are high level (the output will be high whenever the value in
the counter is less than the value in the compare register CONSTRAST_VAL). If 0, the output pulses are low level.
• ENA
When 1, this bit enables the operation of the PWM generator. When 0, the PWM counter is stopped.
6438F–ATARM–21-Jun-10
31
23
15
7
0
0
1
1
PS
30
22
14
6
0
1
0
1
The counter advances at a rate of fCOUNTER = fLCDC_CLOCK.
The counter advances at a rate of fCOUNTER = fLCDC_CLOCK/2.
The counter advances at a rate of fCOUNTER = fLCDC_CLOCK/4.
The counter advances at a rate of fCOUNTER = fLCDC_CLOCK/8.
29
21
13
5
28
20
12
4
ENA
27
19
11
3
POL
26
18
10
2
AT91SAM9G45
25
17
9
1
PS
24
16
8
0
1146

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