Data Sheet

AC6921A Datasheet
6
Confidential
The information contained herein is the exclusive property of JIELI and shall not be distributed, reproduced, or disclosed in whole or in part without
prior written permission of JIELI.
UART2TXD：Uart2 Data Out(B);
IIC_SCL_B：IIC SCL(B);
COM1：LCD COM Output 1;
SEG20：LCD SEG Output20;
17 PC3 I/O
24
GPIO
SD1DAT0A：SD1 Data0(A);
SPI1DIB：SPI1 Data In(B);
UART0RXC：Uart0 Data In(C);
TMR3：Timer3 Clock Input;
COM2：LCD COM Output 2;
SEG19：LCD SEG Output19;
ADC10：ADC Input Channel 10;
18 PA13 I/O GPIO
ALNK_DAT2A：Audio Link Data2(A);
SEG13：LCD SEG Output13;
19 PC2 I/O
24
GPIO
IIC_SDA_C：IIC SDA(C);
UART0TXC：Uart0 Data Out(C);
COM3：LCD COM Output 3;
SEG18：LCD SEG Output18;
20 PA12 I/O
24
GPIO
CAP2：Timer2 Capture;
ALNK_DAT1A：Audio Link Data1(A);
SEG12：LCD SEG Output12;
21 PC1 I/O
24
GPIO
IIC_SCL_C：IIC SCL(C);
SD1DAT2A：SD1 Data2(A);
UART1RXB：Uart1 Data In(B);
COM4：LCD COM Output 4;
SEG17：LCD SEG Output17;
22 PC0 I/O
24
GPIO
SD1DAT3A：SD1 Data3(A);
UART1TXB：Uart1 Data Out(B);
COM5：LCD COM Output 5;
SEG16：LCD SEG Output16;
23 USBDM I/O 4
USB Negative
Data
(pull down)
UART1RXD：Uart1 Data In(D);
SPI2DOB：SPI2 Data Out(B);
IIC_SDA_A：IIC SDA(A);
ADC11：ADC Input Channel 11;
24 USBDP I/O 4
USB Positive
Data
(pull down)
UART1TXD：Uart1 Data Out(D);
SPI2CLKB：SPI2 Clock(B);
IIC_SCL_A：IIC SCL(A);
25 PA11 I/O
24
GPIO
TMR1：Timer1 Clock Input;
ALNK_DAT0A：Audio Link Data0(A);
SPI2DIB：SPI2 Data In(B);
SEG11：LCD SEG Output11;
Touch7：Touch Input Channel 7;
26 PA10 I/O
24
GPIO
SD0DAT1A：SPI0 Data1(A);
BT_FREQ：