AT91SAM9261-CJ-999 Atmel, AT91SAM9261-CJ-999 Datasheet - Page 262

• Manufacturer Part Number: AT91SAM9261-CJ-999
• Description: IC MCU ARM9 ULTRA LP 217LFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM9261-CJ-999

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 190MHz
• Connectivity: EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: DMA, LCD, POR, PWM, WDT
• Number Of I /o: 96
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: ROM
• Ram Size: 192K x 8
• Voltage - Supply (vcc/vdd): 1.08 V ~ 1.32 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 217-LFBGA
• For Use With: AT91SAM9261-EK - KIT EVAL FOR AT91SAM926EJ-SAT91SAM-ICE - EMULATOR FOR AT91 ARM7/ARM9
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -

25.9.11
Name:
Address:
Access Type:Read-write
• CSS: Master Clock Selection
• PRES: Processor Clock Prescaler
• MDIV: Master Clock Division
6062M–ATARM–23-Mar-09
31
23
15
–
–
–
7
–
0
0
1
1
PMC Master Clock Register
PMC_MCKR
0xFFFFFC30
0
0
0
0
1
1
1
1
MDIV
0
0
1
1
30
22
14
–
–
–
6
–
0
1
0
1
29
21
13
–
–
–
5
–
CSS
Master Clock Division
Master Clock is Processor Clock.
Master Clock is Processor Clock divided by 2.
Master Clock is Processor Clock divided by 4.
Reserved.
PRES
0
0
1
1
0
0
1
1
28
20
12
–
–
–
4
0
1
0
1
PRES
27
19
11
–
–
–
3
AT91SAM9261 Preliminary
0
1
0
1
0
1
0
1
Clock Source Selection
Slow Clock is selected
Main Clock is selected
PLL A Clock is selected
PLL B Clock is selected
26
18
10
–
–
–
2
Processor Clock
Selected clock
Selected clock divided by 2
Selected clock divided by 4
Selected clock divided by 8
Selected clock divided by 16
Selected clock divided by 32
Selected clock divided by 64
Reserved
25
17
–
–
9
1
MDIV
CSS
24
16
–
–
8
0
262