XR21V1410
15
REV. 1.4.0
1-CH FULL-SPEED USB UART
3.2 UART Register Map
T
ABLE
7: UART R
EGISTERS
A
DDRESS
R
EGISTER
N
AME
B
IT
-7 B
IT
-6 B
IT
-5 B
IT
-4 B
IT
-3 B
IT
-2 B
IT
-1 B
IT
-0
0X00 Reserved 0 0 0 0 0 0 0 0
0X01 Reserved 0 0 0 0 0 0 0 0
0X02 Reserved 0 0 0 0 0 0 0 0
0X03 UART_ENABLE 0 0 0 0 0 0 RX TX
0X04 CLOCK_DIVISOR0 Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
0x05 CLOCK_DIVISOR1 Bit-15 Bit-14 Bit-13 Bit-12 Bit-11 Bit-10 Bit-9 Bit-8
0x06 CLOCK_DIVISOR2 0 0 0 0 0 Bit-18 Bit-17 Bit-16
0x07 TX_CLOCK_MASK0 Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
0x08 TX_CLOCK_MASK1 Bit-15 Bit-14 Bit-13 Bit-12 Bit-11 Bit-10 Bit-9 Bit-8
0x09 RX_CLOCK_MASK0 Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
0x0A RX_CLOCK_MASK1 Bit-15 Bit-14 Bit-13 Bit-12 Bit-11 Bit-10 Bit-9 Bit-8
0x0B CHARACTER_FORMAT Stop Parity Data Bits
0x0C FLOW_CONTROL
0 0 0 0
Half-
Duplex
Flow Control Mode Select
0x0D Reserved 0 0 0 0 0 0 0 0
0x0E Reserved 0 0 0 0 0 0 0 0
0x0F Reserved 0 0 0 0 0 0 0 0
0x10 XON_CHAR Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
0x11 XOFF_CHAR Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
0x12 LOOPBACK_CTL 0 0 0 0 0 En 0 0
0x13 ERROR_STATUS Break
Status
Overrun
Error
Parity
Error
Framing
Error
Break
Error
0 0 0
0x14 TX_BREAK Bit-7 Bit-6 Bit-5 Bit-4 Bit-3 Bit-2 Bit-1 Bit-0
0x15 RS485_DELAY 0 0 0 0 Delay
0x16 Reserved 0 0 0 0 0 0 0 0
0x17 Reserved 0 0 0 0 0 0 0 0
0x18 Reserved 0 0 0 0 0 0 0 0
0x19 Reserved 0 0 0 0 0 0 0 0
0x1A GPIO_MODE
0 0 0 0
RS485
Polarity
Mode Select
0x1B GPIO_DIRECTION 0 0 GPIO5 GPIO4 GPIO3 GPIO2 GPIO1 GPIO0
0x1C GPIO_INT_MASK 0 0 GPIO5 GPIO4 GPIO3 GPIO2 GPIO1 GPIO0
0x1D GPIO_SET 0 0 GPIO5 GPIO4 GPIO3 GPIO2 GPIO1 GPIO0
0x1E GPIO_CLEAR 0 0 GPIO5 GPIO4 GPIO3 GPIO2 GPIO1 GPIO0
0x1F GPIO_STATUS 0 0 GPIO5 GPIO4 GPIO3 GPIO2 GPIO1 GPIO0