ATSAM3303 Atmel, ATSAM3303 Datasheet - Page 9

• Manufacturer Part Number: ATSAM3303
• Manufacturer: Atmel

Specifications of ATSAM3303

• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 100
• Package Type: TQFP
• Lead Free Status / RoHS Status: Compliant

Table 6-1.
6091C–DRMSD–21-Apr-06
Pin Name
DFSCK
P1.15
X1 - X2
LFT
RESET
STIN
STOUT
PDWN
TEST
Pinout by Pin Name
Pin Number
72, 71
24
46
74
33
34
35
31
52
Type
Out
Out
I/O
Pu
Pd
Pd
In
In
In
In
-
-
Sharing
-
-
-
-
-
-
-
-
-
Description
DataFlash data clock
General-purpose I/O pin. This pin has built-in pull-up. It may be left
open if not used.
External crystal connection. Standard frequencies are 6.9552 MHz, 9.6
MHz, 11.2896 MHz, 12.288 MHz. Max frequency is 12.5 MHz. An
external clock (max. 1.8V
(22 pF). A built-in PLL multiplies the clock frequency by 4 for internal
use.
PLL decoupling RCR filter
Master reset Schmitt trigger input, active low. RESET should be held
low during at least 10 ms after power is applied. On the rising edge of
RESET, the chip enters an initialization routine, which may involve
firmware download from an external SmartMedia, DataFlash or host.
Serial test input. This is a 57.6 Kbaud asynchronous input used for
firmware debugging. This pin is tested at power-up. The built-in
debugger starts if STIN is found high. STIN has a built-in pull-down. It
should be grounded or left open for normal operation.
Serial test output. 57.6 Kbaud async output used for firmware
debugging.
Power down input, active low. High level on this pin is typ. VC18. When
PDWN is low, the oscillator and PLL are stopped, the power switch
opens, and the chip enters a deep sleep mode (1 µA typ. consumption
when power switch is used). To exit from power down, PDWN has to be
set high then RESET applied. Alternate programmable power-downs
are available which allow warm restart of the chip.
Test input. Should be grounded or left open.
PP
) can be connected to X1 using AC coupling
ATSAM3303
9