AT91SAM7S256D-AU Atmel, AT91SAM7S256D-AU Datasheet - Page 10
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
AT91SAM7S256D-AU
Manufacturer Part Number
AT91SAM7S256D-AU
Description
ARM Microcontrollers - MCU 256K Flash SRAM 64K ARM based MCU
Manufacturer
Atmel
Series
SAM7S256r
Datasheet
1.AT91SAM7S256D-AU.pdf
(775 pages)
Specifications of AT91SAM7S256D-AU
Rohs
yes
Core
ARM
Processor Series
AT91SAM
Data Bus Width
16 bit/32 bit
Maximum Clock Frequency
55 MHz
Program Memory Size
256 KB
Data Ram Size
64 KB
On-chip Adc
Yes
Operating Supply Voltage
3 V to 3.6 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
LQFP-64
Mounting Style
SMD/SMT
Interface Type
2-Wire, I2S, SPI, USART
Length
7 mm
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT91SAM7S256D-AU
Manufacturer:
ATMEL
Quantity:
101
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4.2
Table 4-1.
Note:
10
12
13
14
15
16
11
1
2
3
4
5
6
7
8
9
64-lead LQFP and 64-pad QFN Pinout
1. The bottom pad of the QFN package must be connected to ground.
PA17/PGMD5/AD0
PA18/PGMD6/AD1
PA19/PGMD7/AD2
PA20/PGMD8/AD3
PA22/PGMD10
PA23/PGMD11
PA21/PGMD9
VDDCORE
SAM7S512/256/128/64/321/161 Pinout
VDDOUT
ADVREF
VDDIN
GND
AD4
AD5
AD6
AD7
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
PA7/PGMNVALID
PA24/PGMD12
PA25/PGMD13
PA26/PGMD14
PA10/PGMM2
PA16/PGMD4
PA15/PGMD3
PA14/PGMD2
PA13/PGMD1
PA12/PGMD0
PA11/PGMM3
PA9/PGMM1
PA8/PGMM0
VDDCORE
VDDIO
GND
(1)
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
PA4/PGMNCMD
PA27/PGMD15
PA6/PGMNOE
PA5/PGMRDY
PA2/PGMEN2
PA1/PGMEN1
PA0/PGMEN0
VDDIO
NRST
PA29
PA30
PA28
GND
TST
PA3
TDI
SAM7S Series [DATASHEET]
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
6175M–ATARM–26-Oct-12
XIN/PGMCK
VDDFLASH
VDDCORE
JTAGSEL
VDDPLL
ERASE
PLLRC
VDDIO
XOUT
PA31
DDM
GND
TDO
TMS
DDP
TCK
10
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