Microchip Technology SAM E70 Xplained Ultra, Руководство пользователя

Страница: 21 / 58

...........continued
Pin Number Name Description Interface
2 GND Ground Power
3 UART RX UART RX, receive to MCU from DB UART
4 UART CTS UART Clear to send UART
5 UART TX UART TX, transmit from MCU to DB UART
6 UART RTS UART Ready to send UART
7 I
2
C SCL Clock line for I
2
C interface I
2
C
8 STBY/RST Standby/Reset control GPIO
9 I
2
C SDA Data line for I
2
C interface I
2
C
10 Audio WS/LRCLK Audio Word Select/ Left Right Clock SSC
11 Audio In Audio into MCU, out from CODEC SSC
12 Audio CLK Audio clock SSC
13 Audio out Audio out of MCU, in to CODEC/DAC SSC
14 REFCLK/MCK Reference clock #1 REFCLK
15 GND Ground -
16 GND Ground -
17 NC Legacy hold over -
18 +3.3v V
DD
-
19 NC Legacy hold over -
20 +5.0v V
DD
-
21 (1) Audio WS/ Audio LRCLK Audio Word Select/ Left Right Clock I
2
S
22 (2) ADC/Card ID pin Analog-to-Digital Converter to read voltage on the
daughter card ADC
23 (3) Audio CLK Audio Clock I
2
S
24 (4) NC - -
25 (5) Audio IN Audio into MCU, out from CODEC I
2
S
26 (6) NC -
27 (7) Audio OUT Audio out of MCU, in to CODEC/DAC I
2
S
28 (8) NC - -
29 (9) REFCLK2/MCK2 Reference clock #2 REFCLK
30 (10) NC - -
31 (11) GND Ground -
Hardware Features
©
2019 Microchip Technology Inc.
DS70005389A-page 21