AT91M40800-33AU Atmel, AT91M40800-33AU Datasheet - Page 46

• Manufacturer Part Number: AT91M40800-33AU
• Description: IC ARM7 MCU 100 LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91M40800-33AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• Package: 100TQFP
• Device Core: ARM7TDMI
• Family Name: 91M
• Maximum Speed: 33 MHz
• Operating Supply Voltage: 2.5|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 32
• Interface Type: EBI/USART
• Number Of Timers: 3
• Processor Series: AT91Mx
• Core: ARM7TDMI
• Data Ram Size: 8 KB
• Maximum Clock Frequency: 33 MHz
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: JTRACE-ARM-2M, MDK-ARM, RL-ARM, ULINK2
• Minimum Operating Temperature: - 40 C
• Eeprom Memory: 0 Bytes
• Input Output: 32
• Interface: EBI/EMI, UART/USART
• Ios: 32
• Memory Type: ROMless
• Number Of Bits: 32
• Package Type: 100-pin LQFP
• Programmable Memory: 0 Bytes
• Timers: 3-16-bit
• Voltage, Range: 1.8-3.6 V
• Cpu Family: 91M
• Device Core Size: 32b
• Frequency (max): 33MHz
• Program Memory Size: Not Required
• Total Internal Ram Size: 8KB
• # I/os (max): 32
• Number Of Timers - General Purpose: 3
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 1.8V
• Instruction Set Architecture: RISC
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 100
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

EBI Chip Select Register
Register Name: EBI_CSR0 - EBI_CSR7
Access Type:
Reset Value:
Absolute Address:0xFFE00000 - 0xFFE0001C
Offset:
• DBW: Data Bus Width
• NWS: Number of Wait States
This field is valid only if WSE is set.
• WSE: Wait State Enable (Code Label EBI_WSE)
0 = Wait state generation is disabled. No wait states are inserted.
1 = Wait state generation is enabled.
46
PAGES
0
0
0
0
1
1
1
1
31
23
15
–
7
0
0
1
1
AT91X40 Series
DBW
NWS
0
0
1
1
0
0
1
1
Read/Write
See Table 6
0x00 - 0x1C
30
22
14
–
6
–
0
1
0
1
0
1
0
1
0
1
0
1
BA
Data Bus Width
Reserved
16-bit data bus width
8-bit data bus width
Reserved
CSEN
WSE
29
21
13
5
Number of Standard Wait States
BAT
28
20
12
4
1
2
3
4
5
6
7
8
BA
NWS
27
19
11
–
3
TDF
26
18
10
–
2
EBI_DBW_16
Code Label
EBI_DBW_8
Code Label
EBI_NWS_1
EBI_NWS_2
EBI_NWS_3
EBI_NWS_4
EBI_NWS_5
EBI_NWS_6
EBI_NWS_7
EBI_NWS_8
EBI_DBW
EBI_NWS
25
17
–
9
1
–
–
DBW
1354D–ATARM–08/02
PAGES
24
16
–
8
0