AT91SAM7S256-AU-001 Atmel, AT91SAM7S256-AU-001 Datasheet - Page 11

• 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

4.3
4.4
Table 4-2.
Note:
6175FS–ATARM–03-Dec-07
10
11
12
1
2
3
4
5
6
7
8
9
PA17/PGMD5/AD0
PA18/PGMD6/AD1
PA19/PGMD7/AD2
48-lead LQFP and 48-pad QFN Package Outlines
48-lead LQFP and 48-pad QFN Pinout
1. The bottom pad of the QFN package must be connected to ground.
PA20/AD3
VDDOUT
ADVREF
VDDIN
GND
AD4
AD5
AD6
AD7
AT91SAM7S32/16 Pinout
Figure 4-3
age. A detailed mechanical description is given in the section Mechanical Characteristics of the
full datasheet.
Figure 4-3.
Figure 4-4.
13
14
15
16
17
18
19
20
21
22
23
24
and
PA7/PGMNVALID
(1)
PA11/PGMM3
PA10/PGMM2
PA16/PGMD4
PA15/PGMD3
PA14/PGMD2
PA13/PGMD1
PA12/PGMD0
48-lead LQFP Package (Top View)
48-pad QFN Package (Top View)
PA9/PGMM1
PA8/PGMM0
Figure 4-4
VDDCORE
VDDIO
show the orientation of the 48-lead LQFP and the 48-pad QFN pack-
37
48
37
48
36
25
26
27
28
29
30
31
32
33
34
35
36
AT91SAM7S Series Summary
36
1
1
PA4/PGMNCMD
PA6/PGMNOE
PA5/PGMRDY
PA2/PGMEN2
PA1/PGMEN1
PA0/PGMEN0
VDDIO
NRST
GND
TST
PA3
TDI
25
12
12
25
24
13
24
13
37
38
40
41
42
43
44
45
46
47
48
39
XIN/PGMCK
VDDFLASH
VDDCORE
JTAGSEL
VDDPLL
ERASE
PLLRC
XOUT
GND
TDO
TMS
TCK
11