SAM4L_14 Datasheet, PDF (63/176 Pages) ATMEL Corporation – Technology for Ultra-low Power Consumption

ATSAM4L8/L4/L2
8.3 Block diagram
Figure 8-1. Debug and Test Block Diagram
ENHANCED
TMS
DEBUG PORT
TDI
PORT
TDO
MUXING
TCK
SWJ-DP
TPIU
DAP Bus
AHB-AP
CORTEX-M4
Core
Instr
Data
RESET_N
POR
Boundary
scan
Hot_plugging
BSCAN-TAP
JTAG-FILTER
FPB
DWT NVIC ITM
EDP Core reset request
Private peripheral Bus (PPB)
M
SMAP Core reset request
RESET
CONTROLLER
Cortex-M4 Core reset
SMAP
M
AHB
APB
Chip Erase
HTOP
S
AHB
AHB
System Bus Matrix
note: Boxes with a plain corner are SAM4L specific.
8.4 I/O Lines Description
Refer to Section 1.1.4 ”I/O Lines Description” on page 4.
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42023GS–SAM–03/2014