Atmel SAM4L Xplained Pro Evaluation Kit Atmel ATSAM4L-XPRO ATSAM4L-XPRO Data Sheet

Product codes
ATSAM4L-XPRO
Page of 1204
161
42023E–SAM–07/2013
ATSAM4L8/L4/L2
12.3
Block Diagram
Figure 12-1. BSCIF Block Diagram
12.4
I/O Lines Description
ASYNCHRONOUS 
TIMER
WATCHDOG
TIMER
OSC32K
RC32K
XIN32
XOUT32
BACKUP SYSTEM 
CONTROL 
INTERFACE
(BSCIF)
APB BUS
BOD33
BOD18
Voltage Regulation 
System
VOLTAGE 
REGULATOR
BANDGAP
RC1M
BACKUP
REGISTERS
PMCON.CK32S
(from BPM)
NVIC
Reset
Controller
BACKUP DOMAIN
Table 12-1.
I/O Lines Description
Pin Name
Pin Description
Type
XIN32
Crystal 32 Input
Analog/Digital
XOUT32 
Crystal 32 Output
Analog