AT91R40807-33AU Atmel, AT91R40807-33AU Datasheet - Page 9

• 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: -

Program Cycle Characteristics
Program Cycle Waveforms
Main Memory or Chip Erase Cycle Waveforms
Notes:
1278D–07/01
Symbol
t
t
t
t
t
t
t
t
BP
AS
AH
DS
DH
WP
WPH
EC
1. OE must be high only when WE and CE are both low.
2. For chip erase, the address should be 10H. For a main memory erase, the data should be 30H.
Parameter
Word Programming Time
Address Setup Time
Address Hold Time
Data Setup Time
Data Hold Time
Write Pulse Width
Write Pulse Width High
Erase Cycle Time
A0-A15
DATA
A0-A15
WE
OE
CE
t
AS
5555
t
WORD 0
AH
AA
t
t
WP
DS
2AAA
WORD 1
t
DH
55
5555
t
WPH
WORD 2
80
5555
WORD 3
AA
2AAA
WORD 4
Min
70
70
70
50
0
0
55
5555
AT49LV1024/1025
WORD 5
NOTE 2
Typ
1.5
20
t
EC
Max
50
5
seconds
Units
µs
ns
ns
ns
ns
ns
ns
9