AT91R40807-33AI Atmel, AT91R40807-33AI Datasheet - Page 40

• Manufacturer Part Number: AT91R40807-33AI
• Description: IC ARM7 MCU 176 TQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91R40807-33AI

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 33MHz
• Connectivity: EBI/EMI, UART/USART
• Peripherals: WDT
• Number Of I /o: 32
• Program Memory Type: ROMless
• Ram Size: 136K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Figure 28. 1 Wait State, 16-bit Bus Width, Half-word Transfer
40
·
·
·
Byte Write/
Byte Select Option
Early Protocol
Standard Protocol
READ ACCESS
WRITE ACCESS
AT91X40 Series
Internal Bus
D0 - D15
A1 - A23
D0 - D15
D0 - D15
NWE
MCK
NCS
NRD
NLB
NUB
NRD
1 Wait State
B
B
2
2
B
B
B
X X B
1
2
1
B
1
2
B
1
1354D–ATARM–08/02