Datasheet

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