AT91SAM7SE256B-CUR Atmel, AT91SAM7SE256B-CUR Datasheet - Page 322

• Manufacturer Part Number: AT91SAM7SE256B-CUR
• Description: IC ARM7 MCU FLASH 256K 128-LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7SE256B-CUR

• 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: 256KB (256K 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: *
• Processor Series: SAM7SE256
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 32 KB
• Interface Type: SPI, USB
• Maximum Clock Frequency: 48 MHz
• Number Of Programmable I/os: 88
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Operating Temperature Range: - 40 C to + 85 C
• Processor To Be Evaluated: AT91SAM7SE256B
• Supply Current (max): 60 uA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

30.5.11
Name:
Access:
• EXID: Chip ID Extension
Reads 0 if the bit EXT in DBGU_CIDR is 0.
30.5.12
Name:
Access:
• FNTRST: Force NTRST
0 = NTRST of the ARM processor’s TAP controller is driven by the power_on_reset signal.
1 = NTRST of the ARM processor’s TAP controller is held low.
322
31
23
15
31
23
15
–
–
–
–
7
7
SAM7SE512/256/32 Preliminary
Debug Unit Chip ID Extension Register
Debug Unit Force NTRST Register
30
22
14
30
22
14
–
–
–
6
–
6
DBGU_FNR
Read/Write
DBGU_EXID
Read-only
29
21
13
29
21
13
–
–
–
–
5
5
28
20
12
28
20
12
–
–
–
4
–
4
EXID
EXID
EXID
EXID
27
19
11
–
–
–
–
27
19
11
3
3
26
18
10
–
–
–
–
2
26
18
10
2
25
17
–
–
9
–
1
–
25
17
9
1
6222F–ATARM–14-Jan-11
FNTRST
24
16
24
16
–
–
–
8
0
8
0