AT91M63200-25AI Atmel, AT91M63200-25AI Datasheet - Page 18

• Manufacturer Part Number: AT91M63200-25AI
• Description: IC ARM7 MCU 176 TQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91M63200-25AI

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 25MHz
• Connectivity: EBI/EMI, SPI, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 58
• Program Memory Type: OTP
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 176-TQFP, 176-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -

Chip Select Change Wait States
A chip select wait state is automatically inserted when con-
secutive accesses are made to two different external mem-
ories (if no wait states have already been inserted). If any
wait states have already been inserted (e.g. data float
wait), then none are added.
18
AT91M63200
NCS 1
NCS 2
Figure 20. Chip Select Wait
Notes:
NWE
MCKI
NRD
1. Early read protocol
2. Standard read protocol
(1)
mem 1
(2)
chip select wait
mem 2