class machine.SPI(spi, mode, clk, [group])
Parameter:
@@ -23,6 +23,21 @@ This class provides bus protocol of serial peripheral interface (SPI) .class machine.SPI(spi, mode, clk, [group])
+Parameter:
+port - Integer type. Channel selection: [0,1].
mode - SPI working mode.
Clock polarity CPOL: The pin level of clock signal SCLK when SPI is idle (0: low level; 1: high level)0 ：CPOL=0, CPHA=01 ：CPOL=0, CPHA=12 ：CPOL=1, CPHA=03 ：CPOL=1, CPHA=1
clk - Clock frequency.0 ：960kHz1 ：4.8MHz2 ：9.6MHz3 ：16MHz4 ：19.2MHz5 ：25MHz6 ：50MHz
The 50MHz clock frequency has high requirements for hardware.
class machine.SPI(spi, mode, clk, [group])
class machine.UART(UART.UARTn, baudrate, databits, parity, stopbits, flowctl, [group])
+Parametric Description:
+UARTn - UART number, int type, UARTn description is as follows:UART0 - DEBUG PORT UART1 - BT PORT UART2 - MAIN PORT UART3 - USB CDC PORT
baudratec - Baud rate, int type, supports common baud rates such as4800、9600、19200、38400、57600、115200、230400.
databits - Data bits [5-8], int type.
parity - Parity (0-None, 1-even, 2-odd), int type.
stopbits - Stop bit [1 ~ 2], int type.
flowctl - Hardware control flow (0-FC_NONE, 1-FC_HW), int type.
[group] - The UART is selected to be used on different pins, with the default value being 0, int type.
class machine.UART(UART.UARTn, baudrate, databits, parity, stopbits, flowctl)
diff --git a/en/peripherals/misc.PWM.md b/en/peripherals/misc.PWM.md index 4b8c7d6e4395defb48f2fc065c06cdadd7ee84ce..a61f08aa9874baf880699c49e1ca6966b681daf9 100644 --- a/en/peripherals/misc.PWM.md +++ b/en/peripherals/misc.PWM.md @@ -72,6 +72,8 @@ The corresponding pins of EC200A/UC200A module for PWM0-PWM2 are as follow:When flowctl = 1, uart1 only maps uart1 to different pins and does not turn on the flow control function.
class machine.SPI(spi, mode, clk, [group])
参数描述：
@@ -23,6 +23,21 @@class machine.SPI(spi, mode, clk, [group])
+参数描述：
+spi - 通道选择[0,1]，int类型。
mode - SPI 的工作模式，int类型，说明如下：
时钟极性CPOL：即SPI空闲时，时钟信号SCLK的电平(0:空闲时低电平; 1:空闲时高电平)0 ：CPOL=0, CPHA=01 ：CPOL=0, CPHA=12 ：CPOL=1, CPHA=03 ：CPOL=1, CPHA=1
clk - 时钟频率，说明如下：0 ：960kHz1 ：4.8MHz2 ：9.6MHz3 ：16MHz4 ：19.2MHz5 ：25MHz6 ：50MHz
50MHz时钟频率对硬件要求较高。
class machine.SPI(spi, mode, clk, [group])
class machine.UART(UART.UARTn, baudrate, databits, parity, stopbits, flowctl)
参数描述：
@@ -71,6 +71,23 @@class machine.UART(UART.UARTn, baudrate, databits, parity, stopbits, flowctl, [group])
+参数描述：
+UARTn - UART编号，int类型，UARTn说明如下：UART0 - DEBUG PORT UART1 - BT PORT UART2 - MAIN PORT UART3 - USB CDC PORT
baudratec - 波特率，int类型，支持常用波特率，如4800、9600、19200、38400、57600、115200、230400等;
databits - 数据位[5 ~ 8]，int类型。
parity - 奇偶校验(0 – NONE，1 – EVEN，2 – ODD)，int类型。
stopbits - 停止位[1 ~ 2]，int类型。
flowctl - 硬件控制流(0 – FC_NONE， 1 – FC_HW)，int类型。
[group] - 选择在不同管脚使用UART，缺省值为0。int类型。
class machine.UART(UART.UARTn, baudrate, databits, parity, stopbits, flowctl)
diff --git a/zh/peripherals/misc.PWM.md b/zh/peripherals/misc.PWM.md index 94b37d8d67b8a6276caae948be02b0cc31fb1598..4f8bf8073158433291f3d2be9d8c632d67064c32 100644 --- a/zh/peripherals/misc.PWM.md +++ b/zh/peripherals/misc.PWM.md @@ -81,7 +81,7 @@ pwm1 = PWM_V2(PWM_V2.PWM1, 100.0, 50)#频率100Hz,占空比50% | EC800G | PWM0 – 引脚号79(不可与PWM20同时使用)uart1在flowctl = 1时，仅将uart1映射到不同的引脚，未开启流控功能。