AT91SAM7SE512B-AU Atmel, AT91SAM7SE512B-AU Datasheet - Page 184

• Manufacturer Part Number: AT91SAM7SE512B-AU
• Description: IC ARM7 MCU FLASH 512K 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE512B-AU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: EBI/EMI, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 88
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Core: ARM7TDMI
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

22.6.7.3
Figure 22-34. Write Access using NWAIT in Byte Select Type Access
Note:
184
synchronized
NWR0/NWE
NWR1/NUB
internally
A0/NLB
NWAIT
NWAIT
D[15:0]
A[22:1]
MCK
NRD
NCS
1. Write access memory, data bus width = 16 bits, WSEN = 1, NWS = 6
SAM7SE512/256/32 Preliminary
Accesses Using NWAIT Input Signal
Chip Select
000008A
Wait
Figure 22-34 on page 184
NWAIT.
Wait Delay Falling
from NWR0/NWE
1312
through
Figure 22-37 on page 187
(1)
show examples of accesses using
6222F–ATARM–14-Jan-11