AT91SAM7S64C-AU Atmel, AT91SAM7S64C-AU Datasheet - Page 116

• Manufacturer Part Number: AT91SAM7S64C-AU
• Description: IC ARM7 MCU 32BIT 64K 64LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S64C-AU

• Package / Case: 64-LQFP
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 55MHz
• Number Of I /o: 32
• Core Processor: ARM7
• Program Memory Type: FLASH
• Ram Size: 16K x 8
• Program Memory Size: 64KB (64K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Connectivity: I²C, SPI, SSC, UART/USART, USB
• Core Size: 16/32-Bit
• Core: ARM7TDMI
• Package: 64LQFP
• Device Core: ARM7TDMI
• Family Name: AT91
• Maximum Speed: 55 MHz
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 32
• Interface Type: SPI/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Number Of Timers: 3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details
• Other names: AT91SAM7S64B-AU::AT91SAM7S64B-AU

19.3.1
Register Name:
Access Type:
Offset: (EFC0)
Offset: (EFC1)
• FRDY: Flash Ready Interrupt Enable
0: Flash Ready does not generate an interrupt.
1: Flash Ready generates an interrupt.
• LOCKE: Lock Error Interrupt Enable
0: Lock Error does not generate an interrupt.
1: Lock Error generates an interrupt.
• PROGE: Programming Error Interrupt Enable
0: Programming Error does not generate an interrupt.
1: Programming Error generates an interrupt.
• NEBP: No Erase Before Programming
0: A page erase is performed before programming.
1: No erase is performed before programming.
• FWS: Flash Wait State
This field defines the number of wait states for read and write operations:
116
NEBP
31
23
15
–
–
7
AT91SAM7S Series Preliminary
MC Flash Mode Register
FWS
0
1
2
3
30
22
14
MC_FMR
Read-write
0x60
0x70
–
–
6
–
29
21
13
–
–
5
–
28
20
12
–
–
4
–
Read Operations
2 cycles
3 cycles
4 cycles
1 cycle
FMCN
PROGE
27
19
11
–
–
3
LOCKE
26
18
10
–
–
2
Write Operations
25
17
2 cycles
3 cycles
4 cycles
4 cycles
–
9
1
–
6175K–ATARM–30-Aug-10
FWS
FRDY
24
16
–
8
0