AT91SAM7S32-AU-001 Atmel, AT91SAM7S32-AU-001 Datasheet - Page 108

• Manufacturer Part Number: AT91SAM7S32-AU-001
• Description: IC ARM7 MCU 32BIT 32K 48LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S32-AU-001

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: I²C, SPI, SSC, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 21
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 8K 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: 48-LQFP
• For Use With: AT91SAM7S-EK - KIT EVAL FOR ARM AT91SAM7S
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: AT91SAM7S32-AU001

Note:
Figure 19-4. Code Read Optimization in Thumb Mode for FWS = 3
Note:
108
ARM Request (16-bit)
Buffer (32 bits)
Data To ARM
Flash Access
Master Clock
When FWS is equal to 1, in case of sequential reads, all the accesses are performed in a single-cycle access (except for the
first one).
When FWS is equal to 2 or 3, in case of sequential reads, the first access takes FWS cycles, the second access one cycle, the
third access FWS cycles, the fourth access one cycle, etc.
Code Fetch
AT91SAM7S Series Preliminary
@Byte 0
3 Wait State Cycles
Bytes 0-3
@2
0-1
3 Wait State Cycles
@4
2-3
Bytes 0-3
Bytes 4-7
@6
4-5
3 Wait State Cycles
@8
6-7
Bytes 8-11
Bytes 4-7
@10
8-9 10-11
3 Wait State Cycles
@12
6175K–ATARM–30-Aug-10
Bytes 12-15
Bytes 8-11
12-13