SAM4L Datasheet, PDF (57/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

ATSAM4L4/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
8.4 I/O Lines Description
Refer to Section 8.7.4 ”I/O Lines Description” on page 62.
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42023C–SAM–02/2013