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引脚复用

D125CxS

1. D125CxS 封装引脚说明
引脚 定义 类型 功能 备注说明
RTC
83 RTC_IO1 OD 唤醒输入检测 休眠时,外部按键、IO 唤醒源输入检测,低电平有效
84 RTC_IO0 OD 唤醒输出控制 休眠时,控制外部电源使能关闭,低电平有效
85 RTC_VCOIN POWER RTC 外部供电 不考虑掉电保持可悬空,外挂供电需接 (10 KΩ/ 0.1 uF) 延迟上电
86 RTC_XO I/O - 接 32.768kHz 无源晶振,若不使用内置 RTC 功能可悬空
87 RTC_XI I/O - 接 32.768kHz 无源晶振,若不使用内置 RTC 功能可悬空
SYSTEM
67 RESETN INPUT 系统复位 内置 30 kΩ上拉,不使用可悬空,外挂电容不超过 4.7 uF。
81 PLL_XO OUTPUT - 默认接 24 MHz 无源晶振;接有源晶振时悬空
82 PLL_XI INPUT - 默认接 24 MHz 无源晶振;可接有源晶振输出
POWER
15 VCC33_IO0 POWER 芯片 IO 电压 3.3 V 供电,PA/PB/PC/PD/PE/PN 组 IO 供电,就近放置 0.1uF 电容
32 VCC33_IO0 POWER 芯片 IO 电压 3.3 V 供电,PA/PB/PC/PD/PE/PN 组 IO 供电,就近放置 0.1uF 电容
69 VCC33_IO0 POWER 芯片 IO 电压 3.3 V 供电,PA/PB/PC/PD/PE/PN 组 IO 供电,放置 10uF+0.1uF 电容。
8 VDD11 POWER 芯片 Core 电压 1.1V 供电,就近放置 1 uF 电容。
30 VDD11 POWER 芯片 Core 电压 1.1V 供电,就近放置 1 uF 电容。
68 VDD11 POWER 芯片 Core 电压 1.1V 供电,内部 LDO1x 与该引脚连接,就近放置 10uF+1uF 电容。
31 LDO18 POWER 内置 LDO 输出 内部 PSRAM 使用,默认开启,就近放置 10 uF + 0.1 uF 电容。
70 LDO25 POWER 内置 LDO 输出 内部模拟模块使用,默认开启,就近放置 1 uF 电容。
89 GND POWER - GND 铜皮全连接,需多加过孔散热。
2. D125CxS 封装引脚复用表
引脚 功能 1 功能 2 功能 3 功能 4 功能 5 功能 6 功能 7 功能 8
GPIO A
71 PA0 GPADC0 IR_TX I2C0_SCK UART0_TX - - -
72 PA1 GPADC1 IR_RX I2C0_SDA UART0_RX - - LCD_TE
73 PA2 GPADC2 CAN0_TX I2C1_SCK UART1_TX - - CMU_CKN
74 PA3 GPADC3 CAN0_RX I2C1_SDA UART1_RX - - CMU_CKP
75 PA4 GPADC4 - CAN0_TX UART2_TX - CAP1 OSC_32K
76 PA5 GPADC5 - CAN0_RX UART2_RX - - RTC_32K
77 PA8 RTP_XP - CAN0_TX UART2_TX I2C0_SCK UART3_CTS -
78 PA9 RTP_YP - CAN0_RX UART2_RX I2C0_SDA UART3_RTS -
79 PA10 RTP_XN IR_RX - - I2C1_SCK UART3_TX JTAG_MS
80 PA11 RTP_YN IR_TX - - I2C1_SDA UART3_RX JTAG_CK
GPIO B
55 PB0 SPI0_WP SPI1_WP QEP0_A UART0_TX - XPWM0 -
56 PB1 SPI0_MISO SPI1_MISO QEP0_B UART2_TX - XPWM1 -
57 PB2 SPI0_CS SPI1_CS QEP0_I UART2_RX UART4_TX XPWM2 -
58 PB3 SPI0_HOLD SPI1_HOLD QEP1_A UART0_RX UART4_RX XPWM3 -
59 PB4 SPI0_CLK SPI1_CLK QEP1_B UART2_RTS UART4_RTS CAP0 -
60 PB5 SPI0_MOSI SPI1_MOSI QEP1_I UART0_RTS UART2_CTS CAP1 -
2 PB6 SDC0_CMD SPI2_CS - UART1_TX UART2_TX SDC0_D1
3 PB7 SDC0_CLK SPI2_MISO - UART1_RX UART2_RX SDC0_D0
4 PB8 SDC0_D3 SPI2_MOSI - UART1_RTS UART3_CTS SDC0_CLK
5 PB9 SDC0_D0 SPI2_CLK - UART3_RTS - SDC0_CMD
6 PB10 SDC0_D1 SPI2_HOLD - UART3_TX IR_RX SDC0_D3 XPWM4
7 PB11 SDC0_D2 SPI2_WP - UART3_RX IR_TX SDC0_D2 XPWM5
GPIO C
61 PC0 SDC1_D1 - CAP0 UART3_RTS LCD_TE SPI1_CS JTAG_MS
62 PC1 SDC1_D0 - - - - SPI1_MISO -
63 PC2 SDC1_CLK CAN0_TX - - - SPI1_MOSI UART0_TX
64 PC3 SDC1_CMD CAN0_RX - - - SPI1_CLK -
65 PC4 SDC1_D3 XPWM0 I2C1_SCK UART3_TX - SPI1_HOLD UART0_RX
66 PC5 SDC1_D2 XPWM1 I2C1_SDA UART3_RX - SPI1_WP JTAG_CK
GPIO D
52 PD0 LCD_D0 SPI1_CS I2C0_SCK UART0_TX I2S0_DIN UART3_RX -
51 PD1 LCD_D1 SPI1_MISO I2C0_SDA UART0_RX I2S0_DOUT UART3_TX -
50 PD2 LCD_D2 SPI1_MOSI I2C1_SCK UART1_TX I2S0_LRCK I2C1_SDA -
49 PD3 LCD_D3 SPI1_CLK I2C1_SDA UART1_RX I2S0_BCLK I2C1_SCK -
48 PD4 LCD_D4 SPI1_HOLD - UART2_TX I2S0_MCLK XPWM3 -
47 PD5 LCD_D5 SPI1_WP - UART2_RX - XPWM4 -
46 PD6 LCD_D6 SPI3_CLK XPWM0 - - XPWM5 -
45 PD7 LCD_D7 SPI3_CS XPWM1 - - - -
29 PD8 LCD_D8 SPI3_MOSI XPWM2 - - - -
28 PD9 LCD_D9 SPI3_MISO - - - - -
27 PD10 LCD_D10 - - - - - -
26 PD11 LCD_D11 - I2S0_DIN - - - -
25 PD12 LCD_D12 - I2S0_DOUT - - - -
24 PD13 LCD_D13 - I2S0_LRCK - CLK_OUT0 - -
23 PD14 LCD_D14 CAP1 I2S0_BCLK - - - -
22 PD15 LCD_D15 XPWM2 I2S0_MCLK - - - -
21 PD16 LCD_D16 XPWM3 - UART2_TX I2C0_SCK SPI3_MOSI -
20 PD17 LCD_D17 XPWM4 - UART2_RX I2C0_SDA SPI3_MISO -
19 PD18 LCD_D18 CAN0_TX DSI_D0N UART0_TX I2C1_SCK SPI3_CLK -
18 PD19 LCD_D19 CAN0_RX DSI_D0P UART0_RX I2C1_SDA SPI3_CS -
17 PD20 LCD_D20 - DSI_D1N UART1_TX I2C1_SCK SPI4_CLK -
16 PD21 LCD_D21 - DSI_D1P UART1_RX I2C1_SDA SPI4_CS -
14 PD22 LCD_D22 - DSI_CKN UART3_TX XPWM0 SPI4_MOSI -
13 PD23 LCD_D23 - DSI_CKP UART3_RX XPWM1 SPI4_MISO -
12 PD24 LCD_DCLK - DSI_D2N - XPWM2 SPI5_CLK -
11 PD25 LCD_HS - DSI_D2P - XPWM5 SPI5_CS -
10 PD26 LCD_VS - DSI_D3N - XPWM6 SPI5_MOSI -
9 PD27 LCD_DE - DSI_D3P - XPWM7 SPI5_MISO CMU_CKT
GPIO E
33 PE0 LCD_D0 DVP_D0 SPI1_CS LCD_D20 QEP1_B XPWM0 -
34 PE1 LCD_D1 DVP_D1 SPI1_MISO LCD_D21 QEP1_I XPWM1 -
35 PE2 LCD_D2 DVP_D2 SPI1_MOSI LCD_D22 UART4_TX QEP0_A -
36 PE3 LCD_D3 DVP_D3 I2S0_MCLK LCD_D23 UART4_RX QEP0_B LCD_D21
37 PE4 LCD_D4 DVP_D4 - LCD_DCLK UART4_RTS QEP0_I -
38 PE5 LCD_D5 DVP_D5 - LCD_HS SPI1_CS QEP1_A -
39 PE6 LCD_D6 DVP_D6 - LCD_VS SPI1_MISO QEP1_B -
40 PE7 LCD_D7 DVP_D7 LCD_TE LCD_DE SPI1_MOSI QEP1_I -
41 PE8 LCD_D8 DVP_CK CAN0_TX LCD_D16 SPI1_CLK EPWM2_B -
42 PE9 LCD_D9 DVP_HS CAN0_RX LCD_D17 SPI1_HOLD EPWM2_A -
43 PE10 LCD_D10 DVP_VS - LCD_D18 SPI1_WP EPWM1_B -
44 PE11 LCD_D11 XPWM2 CLK_OUT0 LCD_D19 I2S0_LRCK EPWM1_A -
GPIO F
54 PF01 CAP0 XPWM1 - DSPK0 - - CMU_CKN
53 PF12 CAP1 XPWM2 - DSPK1 - - CMU_CKP
GPIO N
88 PN0 USB0_DM - UART0_RX UART1_RX - - -
1 PN1 USB0_DP - UART0_TX UART1_TX - - -
GPIO S
84 PS0 RTC_IO0 - IR_TX I2C0_SCK UART0_TX - -
83 PS1 RTC_IO1 - IR_RX I2C0_SDA UART0_RX - -
87 PS2 RTC_XI - CAN0_TX I2C1_SCK UART1_TX - -
86 PS3 RTC_XO - CAN0_RX I2C1_SDA UART1_RX - -

D125ExS

3. D125ExS 封装引脚说明
引脚 定义 类型 功能 备注说明
RTC
58 RTC_IO1 OD 唤醒输入检测 休眠时,外部按键、IO 唤醒源输入检测,低电平有效
59 RTC_IO0 OD 唤醒输出控制 休眠时,控制外部电源使能关闭,低电平有效
60 RTC_VCOIN POWER RTC 外部供电 不考虑掉电保持可悬空,内部有二极管从 3.3V 取电,外挂供电需接 RC 延迟上电 (10 KΩ/ 0.1 uF)
61 RTC_XO I/O - 接 32.768kHz 无源晶振,若不使用内置 RTC 功能可悬空
62 RTC_XI I/O - 接 32.768kHz 无源晶振,若不使用内置 RTC 功能可悬空
SYSTEM
38 RESETN INPUT 系统复位 内置 30 kΩ上拉,不使用可悬空,外挂电容不超过 4.7 uF。
56 PLL_XO OUTPUT - 默认接 24 MHz 无源晶振;接有源晶振时悬空
57 PLL_XI INPUT - 默认接 24 MHz 无源晶振;可接有源晶振输出
POWER
41 VCC33_IO0 POWER 芯片 IO 电压 3.3 V 供电,PA/PB/PC/PD 组 IO 供电,放置 10uF+0.1uF 电容。
55 VCC33_IO0 POWER 芯片 IO 电压 3.3 V 供电,PA/PB/PC/PD 组 IO 供电,就近放置 0.1uF 电容。
90 VCC33_IO0 POWER 芯片 IO 电压 3.3 V 供电,PA/PB/PC/PD 组 IO 供电,就近放置 0.1uF 电容。
109 VCC33_IO0 POWER 芯片 IO 电压 3.3 V 供电,PA/PB/PC/PD 组 IO 供电,就近放置 0.1uF 电容。
65 VCC33_IO2 POWER 芯片 IO 电压 3.3 V 供电,PN 组 IO 供电,就近放置 0.1uF 电容。
131 VCC33_IO1 POWER 芯片 IO 电压 3.3 V/ 1.8V 供电,PE 组 IO 供电,就近放置 0.1uF 电容。
13 VDD11 POWER 芯片 Core 电压 1.1V 供电,就近放置 1uF 电容。
39 VDD11 POWER 芯片 Core 电压 1.1V 供电,就近放置 10uF+1uF 电容。
77 VDD11 POWER 芯片 Core 电压 1.1V 供电,就近放置 1uF 电容。
107 VDD11 POWER 芯片 Core 电压 1.1V 供电,就近放置 1uF 电容。
40 LDO1x POWER 芯片 Core 电压 可供 VDD11 使用,默认开启,就近放置 1uF 电容。
108 LDO18 POWER 内置 LDO 输出 内部 PSRAM 使用,默认开启,就近放置 10 uF+0.1 uF 电容。
42 LDO25 POWER 内置 LDO 输出 内部模拟模块使用,默认开启,就近放置 1 uF 电容。
10 VCC25_IO POWER 芯片 IO 电压 LDO25 供电,PF 组 IO 电压,就近放置 1uF 电容。
1 GND POWER -
33 GND POWER -
34 GND POWER -
66 GND POWER -
67 GND POWER -
99 GND POWER -
100 GND POWER -
132 GND POWER -
133 GND POWER - GND 铜皮全连接,需多加过孔散热。
69 NC1 - - 悬空
70 NC2 - - 悬空
4. D125ExS 封装引脚复用表
引脚 功能 1 功能 2 功能 3 功能 4 功能 5 功能 6 功能 7 功能 8
GPIO A
43 PA0 GPADC0 IR_TX I2C0_SCK UART0_TX - - -
44 PA1 GPADC1 IR_RX I2C0_SDA UART0_RX - - LCD_TE
45 PA2 GPADC2 CAN0_TX I2C1_SCK UART1_TX - - CMU_CKN
46 PA3 GPADC3 CAN0_RX I2C1_SDA UART1_RX - - CMU_CKP
47 PA4 GPADC4 - CAN0_TX UART2_TX - CAP1 OSC_32K
48 PA5 GPADC5 - CAN0_RX UART2_RX - - RTC_32K
49 PA6 GPADC6 - I2C0_SCK UART3_TX - - -
50 PA7 GPADC7 - I2C0_SDA UART3_RX - - -
51 PA8 RTP_XP - CAN0_TX UART2_TX I2C0_SCK UART3_CTS -
52 PA9 RTP_YP - CAN0_RX UART2_RX I2C0_SDA UART3_RTS -
53 PA10 RTP_XN IR_RX - - I2C1_SCK UART3_TX JTAG_MS
54 PA11 RTP_YN IR_TX - - I2C1_SDA UART3_RX JTAG_CK
GPIO B
17 PB0 SPI0_WP SPI1_WP QEP0_A UART0_TX - XPWM0 -
18 PB1 SPI0_MISO SPI1_MISO QEP0_B UART2_TX - XPWM1 -
19 PB2 SPI0_CS SPI1_CS QEP0_I UART2_RX UART4_TX XPWM2 -
20 PB3 SPI0_HOLD SPI1_HOLD QEP1_A UART0_RX UART4_RX XPWM3 -
21 PB4 SPI0_CLK SPI1_CLK QEP1_B UART2_RTS UART4_RTS CAP0 -
22 PB5 SPI0_MOSI SPI1_MOSI QEP1_I UART0_RTS UART2_CTS CAP1 -
71 PB6 SDC0_CMD SPI2_CS - UART1_TX UART2_TX SDC0_D1
72 PB7 SDC0_CLK SPI2_MISO - UART1_RX UART2_RX SDC0_D0
73 PB8 SDC0_D3 SPI2_MOSI - UART1_RTS UART3_CTS SDC0_CLK
74 PB9 SDC0_D0 SPI2_CLK - UART3_RTS - SDC0_CMD
75 PB10 SDC0_D1 SPI2_HOLD - UART3_TX IR_RX SDC0_D3 XPWM4
76 PB11 SDC0_D2 SPI2_WP - UART3_RX IR_TX SDC0_D2 XPWM5
14 PB12 - - - - - - SPI0_WP
15 PB13 - - - - - - SPI0_MISO
16 PB14 - - - - - - SPI0_CS
29 PB15 - - - - - - SPI0_HOLD
30 PB16 - - - - - - SPI0_CLK
31 PB17 - - - - - - SPI0_MOSI
32 PB18 - - - - - UART3_CTS -
35 PB19 - - - - - UART3_TX -
36 PB20 - - - - - UART3_RX -
37 PB21 - - - - - UART3_RTS -
GPIO C
23 PC0 SDC1_D1 - CAP0 UART3_RTS LCD_TE SPI1_CS JTAG_MS
24 PC1 SDC1_D0 - - - - SPI1_MISO -
25 PC2 SDC1_CLK CAN0_TX - - - SPI1_MOSI UART0_TX
26 PC3 SDC1_CMD CAN0_RX - - - SPI1_CLK -
27 PC4 SDC1_D3 XPWM0 I2C1_SCK UART3_TX - SPI1_HOLD UART0_RX
28 PC5 SDC1_D2 XPWM1 I2C1_SDA UART3_RX - SPI1_WP JTAG_CK
78 PC6 SDC1_DET SPI2_HOLD I2C0_SDA UART3_CTS LCD_TE XPWM6 CAP0
79 PC7 - SPI2_WP - - - EPWM_SO0 CAP1
80 PC8 SPI5_CLK SPI2_CLK CAN0_TX UART4_TX EPWM_FLT0 EPWM_SO1 EPWM_TO0
81 PC9 SPI5_CS SPI2_CS CAN0_RX UART4_RX EPWM_FLT1 - -
82 PC10 SPI5_MOSI SPI2_MOSI - - EPWM_SI0 - -
83 PC11 SPI5_MISO SPI2_MISO - - EPWM_SI1 EPWM_SO4 -
GPIO D
9 PD0 LCD_D0 SPI1_CS I2C0_SCK UART0_TX I2S0_DIN UART3_RX -
8 PD1 LCD_D1 SPI1_MISO I2C0_SDA UART0_RX I2S0_DOUT UART3_TX -
7 PD2 LCD_D2 SPI1_MOSI I2C1_SCK UART1_TX I2S0_LRCK I2C1_SDA -
6 PD3 LCD_D3 SPI1_CLK I2C1_SDA UART1_RX I2S0_BCLK I2C1_SCK -
5 PD4 LCD_D4 SPI1_HOLD - UART2_TX I2S0_MCLK XPWM3 -
4 PD5 LCD_D5 SPI1_WP - UART2_RX - XPWM4 -
3 PD6 LCD_D6 SPI3_CLK XPWM0 - - XPWM5 -
2 PD7 LCD_D7 SPI3_CS XPWM1 - - - -
106 PD8 LCD_D8 SPI3_MOSI XPWM2 - - - -
105 PD9 LCD_D9 SPI3_MISO - - - - -
104 PD10 LCD_D10 - - - - - -
103 PD11 LCD_D11 - I2S0_DIN - - - -
102 PD12 LCD_D12 - I2S0_DOUT - - - -
101 PD13 LCD_D13 - I2S0_LRCK - CLK_OUT0 - -
98 PD14 LCD_D14 CAP1 I2S0_BCLK - - - -
97 PD15 LCD_D15 XPWM2 I2S0_MCLK - - - -
96 PD16 LCD_D16 XPWM3 - UART2_TX I2C0_SCK SPI3_MOSI -
95 PD17 LCD_D17 XPWM4 - UART2_RX I2C0_SDA SPI3_MISO -
94 PD18 LCD_D18 CAN0_TX DSI_D0N UART0_TX I2C1_SCK SPI3_CLK -
93 PD19 LCD_D19 CAN0_RX DSI_D0P UART0_RX I2C1_SDA SPI3_CS -
92 PD20 LCD_D20 - DSI_D1N UART1_TX I2C1_SCK SPI4_CLK -
91 PD21 LCD_D21 - DSI_D1P UART1_RX I2C1_SDA SPI4_CS -
89 PD22 LCD_D22 - DSI_CKN UART3_TX XPWM0 SPI4_MOSI -
88 PD23 LCD_D23 - DSI_CKP UART3_RX XPWM1 SPI4_MISO -
87 PD24 LCD_DCLK - DSI_D2N - XPWM2 SPI5_CLK -
86 PD25 LCD_HS - DSI_D2P - XPWM5 SPI5_CS -
85 PD26 LCD_VS - DSI_D3N - XPWM6 SPI5_MOSI -
84 PD27 LCD_DE - DSI_D3P - XPWM7 SPI5_MISO CMU_CKT
GPIO E
110 PE0 LCD_D0 DVP_D0 SPI1_CS LCD_D20 QEP1_B XPWM0 -
111 PE1 LCD_D1 DVP_D1 SPI1_MISO LCD_D21 QEP1_I XPWM1 -
112 PE2 LCD_D2 DVP_D2 SPI1_MOSI LCD_D22 UART4_TX QEP0_A -
113 PE3 LCD_D3 DVP_D3 I2S0_MCLK LCD_D23 UART4_RX QEP0_B LCD_D21
114 PE4 LCD_D4 DVP_D4 - LCD_DCLK UART4_RTS QEP0_I -
115 PE5 LCD_D5 DVP_D5 - LCD_HS SPI1_CS QEP1_A -
116 PE6 LCD_D6 DVP_D6 - LCD_VS SPI1_MISO QEP1_B -
117 PE7 LCD_D7 DVP_D7 LCD_TE LCD_DE SPI1_MOSI QEP1_I -
118 PE8 LCD_D8 DVP_CK CAN0_TX LCD_D16 SPI1_CLK EPWM2_B -
119 PE9 LCD_D9 DVP_HS CAN0_RX LCD_D17 SPI1_HOLD EPWM2_A -
120 PE10 LCD_D10 DVP_VS - LCD_D18 SPI1_WP EPWM1_B -
121 PE11 LCD_D11 XPWM2 CLK_OUT0 LCD_D19 I2S0_LRCK EPWM1_A -
125 PE12 LCD_D12 XPWM3 I2C0_SCK DSPK1 I2S0_BCLK EPWM0_B SDC1_D2
126 PE13 LCD_D13 XPWM4 I2C0_SDA DSPK0 I2S0_DOUT EPWM0_A SDC1_D3
127 PE14 LCD_D14 I2S0_MCLK I2C1_SCK XPWM0 - QEP1_B SDC1_CMD
128 PE15 - XPWM5 I2C1_SDA - - - SDC1_CLK
129 PE16 - XPWM6 I2S0_DIN UART4_TX - - SDC1_D0
130 PE17 - XPWM7 I2S0_MCLK UART4_RX I2S0_LRCK - SDC1_D1
124 PE18 - - - - - - I2S0_DIN
123 PE19 - - - - - - I2S0_DOUT
122 PE20 - - - - - - I2S0_BCLK
GPIO F
12 PF03 CAP0 XPWM1 - DSPK0 - - CMU_CKN
11 PF14 CAP1 XPWM2 - DSPK1 - - CMU_CKP
GPIO N
63 PN0 USB0_DM - UART0_RX UART1_RX - - -
64 PN1 USB0_DP - UART0_TX UART1_TX - - -
68 PN2 - - - - - - -
GPIO S
59 PS0 RTC_IO0 - IR_TX I2C0_SCK UART0_TX - -
58 PS1 RTC_IO1 - IR_RX I2C0_SDA UART0_RX - -
62 PS2 RTC_XI - CAN0_TX I2C1_SCK UART1_TX - -
61 PS3 RTC_XO - CAN0_RX I2C1_SDA UART1_RX - -
1 PF0/PF1 使用 LDO25 电源域,做普通 IO 时需注意电平匹配
2 PF0/PF1 使用 LDO25 电源域,做普通 IO 时需注意电平匹配
3 PF0/ PF1 使用 LDO25 电源域,做普通 IO 时需注意电平匹配
4 PF0/ PF1 使用 LDO25 电源域,做普通 IO 时需注意电平匹配