AT91R40807-33AU Atmel, AT91R40807-33AU Datasheet - Page 13

• Manufacturer Part Number: AT91R40807-33AU
• Description: IC ARM7 MCU 100TQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91R40807-33AU

• 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: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Table 13. EBI Read and Write Control Signals. Capacitance Limitation
Notes:
1367C–01/02
Symbol
T
T
CPLNRD
CPLNWR
1. If this condition is not met, the action depends on the read protocol intended for use.
2. Applicable only for chip select programmed with 0 wait state. If this condition is not met, at least one wait state must be
(1)
(2)
• Early Read Protocol: Programing an additional t
• Standard Read Protocol: Programming an additional t
programmed.
Parameter
Master Clock Low Due to NRD Capacitance
Master CLock Low Due to NWR Capacitance
DF
(Data Float Output Time) cycle.
Conditions
C
C
C
C
DF
NRD
NRD
NWR
NWR
Cycle and an additional wait state.
= 0 pF
derating
= 0 pF
derating
0.048
0.049
Min
9.2
9.6
AT91R40807
Max
Units
ns/pF
ns/pF
ns
ns
13