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SAME70 Xplained: Updated README

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This commit is contained in:
Gregory Nutt
2015-11-19 10:25:08 -06:00
parent f4213873f3
commit 5106a8a9ca
1 changed files with 39 additions and 37 deletions
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configs/same70-xplained/README.txt
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@@ -44,8 +44,8 @@ use either the VCOM or an external RS-232 driver. Here are some options.
Pin on SAME70 Arduino Arduino SAME70 Pin on SAME70 Arduino Arduino SAME70
J503 PIO Name Pin Function J503 PIO Name Pin Function
------ ------ ------- ------- -------- ------ ------ ------- ------- --------
1 PD28 RX0 0 URXD3 1 PD28 D0/RX0 0 URXD3
2 PD30 TX0 1 UTXD3 2 PD30 D1/TX0 1 UTXD3
------ ------ ------- ------- -------- ------ ------ ------- ------- --------
In this configuration, an external RS232 driver can also be used In this configuration, an external RS232 driver can also be used
@@ -62,47 +62,49 @@ use either the VCOM or an external RS-232 driver. Here are some options.
--------- ----------- --------- -----------
- Arduino Communications. Additional UART/USART connections are available - Arduino Communications. Additional UART/USART connections are available
on the Arduino Communications connection J505: on the Arduino Communications connection J505 and J507:
------ ------ ------- ------- -------- --------- ---------- --------------------------------
Pin on SAME70 Arduino Arduino SAME70 Connector SAME70 Pin Description
J503 PIO Name Pin Function --------- ---------- --------------------------------
------ ------ ------- ------- -------- J503 1 URXD3 PD28 Standard Arduino serial (D0/RXD)
3 PD18 RX1 0 URXD4 J503 2 UTXD3 PD30 Standard Arduino serial (D1/TXD)
4 PD19 TX1 0 UTXD4 --------- ---------- --------------------------------
5 PD15 RX2 0 RXD2 J505 3 URXD4 PD18 Arduino D19
6 PD16 TX2 0 TXD2 J505 4 UTXD4 PD19 Arduino D18
7 PB0 RX3 0 RXD0 J505 5 RXD2 PD15 Arduino D17
8 PB1 TX3 1 TXD0 J505 6 TXD2 PD16 Arduino D16
------ ------ ------- ------- -------- J505 7 RXD0 PB0 Arduino D15
J505 8 TXD0 PB1 Arduino D14
--------- ---------- --------------------------------
J507 27 RXD1 PA21 Arduino D46
J507 28 TXD1 PB4 Arduino D47
--------- ---------- --------------------------------
- SAMV7-XULT EXTn connectors. USART pins are also available the EXTn - SAMV7-XULT EXTn connectors. USART pins are also available the EXTn
connectors. The following are labelled in the User Guide for USART connectors. The following are labelled in the User Guide for USART
functionality: functionality:
---- -------- ------ -------- SAME70 Xplained Connectors
EXT1 EXTI1 SAME70 SAME70 --------- ---------- --------------------------------
Pin Name PIO Function Connector SAME70 Pin Description
---- -------- ------ -------- --------- ---------- --------------------------------
13 USART_RX PB00 RXD0 J401 13 RXD0 PB0 EXT1 UART_RX
14 USART_TX PB01 TXD0 J401 14 TXD0 PB1 EXT1 UART_7X
--------- ---------- --------------------------------
---- -------- ------ -------- J402 13 RXD1 PA21 EXT2 UART_RX
EXT2 EXTI2 SAME70 SAME70 J402 14 TXD1 PB4 EXT2 UART_TX
Pin Name PIO Function --------- ---------- --------------------------------
---- -------- ------ --------
13 USART_RX PA21 RXD1
14 USART_TX PB04 TXD1
- VCOM. The Virtual Com Port gateway is available on USART1: - VCOM. The Virtual Com Port gateway is available on USART1:
------ -------- EDBG VCOM Interface
SAME70 SAME70 ---------------- --------- --------------------------
PIO Function EDBG Singal SAME70
------ -------- ---------------- --------- --------------------------
PB04 TXD1 EDBG_CDC_UART_RX TXD1 PB4
PA21 RXD1 EDBG_CDC_UART_TX RXD1 PA21
------ -------- ---------------- --------- --------------------------
Any of these options can be selected as the serial console by: Any of these options can be selected as the serial console by:
@@ -1129,9 +1131,9 @@ Configuration sub-directories
NOTES: NOTES:
1. The serial console is configured by default for use with and Arduino 1. The serial console is configured by default for use with the EDBG VCOM
serial shield (UART3). You will need to reconfigure if you will (USART1). You will need to reconfigure if you will to use a different
to use a different U[S]ART. U[S]ART.
2. Default stack sizes are large and should really be tuned to reduce 2. Default stack sizes are large and should really be tuned to reduce
the RAM footprint: the RAM footprint: