ATECC608B-SSHDA is placed on the same TWI bus as the MIPI CSI camera, as described below.
Figure 3-51. ECC608 Interface Schematic
GND
4
SDA 5
SCL 6
VCC
8
ATECC608A-SSHDA
U11
ECC608_TWCK
ECC608_TWD
GND
0.1uF
10V
0402
C142
VDD_3V3
ECC608A CryptoAuthentication
Table 3-42. ECC608B TWI Address
Device
7-bit Client Address
Full Address with RD/WR#
ECC608B TWI Read
1100_000
0xC1
ECC608B TWI Write
0xC0
3.4.12
Tamper Pins Connector
The SAMA7G54-EK board features four tamper pins for static or dynamic intrusion detections.
For a description of intrusion detection, refer to the SAMA7G5 Series data sheet, section “Security Module
(SECUMOD)”. See
.
Figure 3-52. Tamper Pin Connector Schematic
GND
PIOBU2
PIOBU3
User available Tamper Pins
GND
1
2
3
4
5
6
7
8
HDR-2.54 Male 2x4
J14
PIOBU0
PIOBU1
The table below describes the pin assignment of PIOBU connector J14.
Table 3-43. PIOBU Connector J14 Pin Assignment
Signal Name
Signal
Description
Pin No.
Pin No.
Signal
Description
Signal Name
GND
Ground
1
2
Ground
GND
PIOBU0
Tamper I/O 0
3
4
Tamper I/O 1
PIOBU1
SAMA7G54-EK
Function Blocks
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2022 Microchip Technology Inc.
and its subsidiaries
User Guide
DS50003273A-page 59