AT91SAM7S256-AU-001 Atmel, AT91SAM7S256-AU-001 Datasheet - Page 8

• Manufacturer Part Number: AT91SAM7S256-AU-001
• Description: IC ARM7 MCU 32BIT 256K 64LQFP
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7S256-AU-001

• 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: 64K x 8
• Program Memory Size: 256KB (256K 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: AT91SAM7S256AU001

Table 3-1.
Note:
8
Signal Name
TWD
TWCK
AD0-AD3
AD4-AD7
ADTRG
ADVREF
PGMEN0-PGMEN2
PGMM0-PGMM3
PGMD0-PGMD15
PGMRDY
PGMNVALID
PGMNOE
PGMCK
PGMNCMD
1. Refer to
AT91SAM7S Series Summary
Signal Description List (Continued)
Section 6. “I/O Lines Considerations” on page
ADC Trigger
Programming Enabling
Programming Mode
Programming Data
Programming Ready
Programming Clock
Programming Command
Function
Two-wire Serial Data
Two-wire Serial Clock
Analog Inputs
Analog Inputs
ADC Reference
Data Direction
Programming Read
Fast Flash Programming Interface
Analog-to-Digital Converter
Two-Wire Interface
14.
Analog
Analog
Analog
Output
Output
Type
Input
Input
Input
Input
Input
Input
I/O
I/O
I/O
Active
Level
High
Low
Low
Low
Digital pulled-up inputs at reset
Comments
Analog Inputs
PGMD0-PGMD7 only on
AT91SAM7S32/16
6175FS–ATARM–03-Dec-07