AT91RM9200-QI-002 Atmel, AT91RM9200-QI-002 Datasheet - Page 227

• Manufacturer Part Number: AT91RM9200-QI-002
• Description: IC ARM9 MCU 208 PQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91RM9200-QI-002

• Core Processor: ARM9
• Core Size: 16/32-Bit
• Speed: 180MHz
• Connectivity: EBI/EMI, Ethernet, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: POR
• Number Of I /o: 122
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: ROM
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 208-MQFP, 208-PQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

20.7
20.7.1
Register Name:
Access Type:
Reset Value
• BFCOM: Burst Flash Controller Operating Mode
• BFCC: Burst Flash Controller Clock
• AVL: Address Valid Latency
The Address Valid Latency is defined as the number of BFC Clock Cycles from the first BFCK rising edge when BFAVD is
asserted to the BFCK rising edge that samples read data. The Latency is equal to AVL + 1.
1768I–ATARM–09-Jul-09
31
23
15
–
–
–
7
Burst Flash Controller (BFC) User Interface
Burst Flash Controller Mode Register
0
0
1
1
0
0
1
1
30
22
14
BFC_MR
Read/Write
:0x0
–
–
–
6
BFCOM
BFCC
AVL
29
21
13
–
–
5
0
1
0
1
0
1
0
1
OEL
28
20
12
–
–
4
BFC Operating Mode
Disabled.
Asynchronous
Burst Read
Reserved
BFC Clock
Reserved
Master Clock
Master Clock divided by 2
Master Clock divided by 4
RDYEN
27
19
11
–
3
BFCC
MUXEN
26
18
10
–
2
BFOEH
PAGES
AT91RM9200
25
17
–
9
1
BFCOM
BAAEN
24
16
–
8
0
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