AT91SAM9G45-CU-999 Atmel, AT91SAM9G45-CU-999 Datasheet - Page 42

• 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

9.5
42
CP15 Coprocessor
AT91SAM9G45
Coprocessor 15, or System Control Coprocessor CP15, is used to configure and control all the
items in the list below:
To control these features, CP15 provides 16 additional registers. See
Table 9-5.
Notes:
• ARM9EJ-S
• Caches (ICache, DCache and write buffer)
• TCM
• MMU
• Other system options
Register
1. Register locations 0,5, and 13 each provide access to more than one register. The register
2. Register location 9 provides access to more than one register. The register accessed depends
10
11
12
13
13
14
15
0
0
0
1
2
3
4
5
5
6
7
8
9
9
accessed depends on the value of the opcode_2 field.
on the value of the CRm field.
CP15 Registers
Name
ID Code
Cache type
TCM status
Control
Translation Table Base
Domain Access Control
Reserved
Data fault Status
Instruction fault status
Fault Address
Cache Operations
TLB operations
cache lockdown
TCM region
TLB lockdown
Reserved
Reserved
FCSE PID
Context ID
Reserved
Test configuration
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
Read/Unpredictable
Read/Unpredictable
Read/Unpredictable
Read/write
Read/write
Read/write
None
Read/write
Read/write
Read/write
Read/Write
Read/write
Read/write
Read/write
None
None
Read/write
Read/Write
None
Read/Write
Read/Write
Unpredictable/Write
Table
9-5.
6438F–ATARM–21-Jun-10