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UART Master IP
GOWIN UART Master IP - User Manual
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Gowin UART Master and Slave IP
User Guide
IPUG511-1.4E, 09
/2
9/2019
2
Table of Contents
Main Page
Default Chapter
1
User Guide
1
Table of Contents
4
Contents
5
List of Figures
6
1 About this Manual
8
Manual Content
8
Applicable Products
8
Related Documents
8
Terms and Abbreviations
8
Table 1-1 Terms and Abbreviations
8
Technical Support and Feedback
9
2 Function Introduction
10
Overview
10
Features
10
Gowin UART Master IP
10
Gowin UART Slave IP
10
3 Signal Definition
11
Gowin UART Master IP
11
SRAM Interface Signal
11
UART Side Signal
11
Table3-1 SRAM Interface Signal Definition
11
Table3-2 UART Side Signal Definition
11
Gowin UART Slave IP
12
Table3-3 UART Slave Signal Definition
12
4 Working Principle
13
System Diagram
13
Gowin UART Master IP Register
13
Figure 4-1 System Diagram
13
Receive Buffer Register (RBR)
14
Transmit Holding Register (THR)
14
Interrupt Enable Register (IER)
14
Figure4-2 Receive Buffer Register
14
Figure4-3 Transmit Holding Register
14
Table4-1 Gowin UART Master IP Register
14
Table4-2 Receive Buffer Register Bit Definition
14
Table4-3 Transmit Holding Register Bit Definitions
14
Interrupt Identification Register (IIR)
15
Figure 4-4 Interrupt Enable Register
15
Figure 4-5 Interrupt Identification Register
15
Table4-4 Interrupt Enable Register Bit Definition
15
Table4-5 Interrupt Identification Register Bit Definition
15
Line Control Register (LCR)
16
Modem Control Register (MCR)
16
Figure4-6 Line Control Register
16
Figure 4-7 Modem Control Register
16
Table4-6 Line Control Register
16
Table4-7 Modem Control Register
16
Line Status Register (LSR)
17
Figure4-8 Line Status Register
17
Table4-8 Line Status Register
17
Modem Status Register (MSR)
18
Figure4-9 Modem Status Register
18
Table4-9 Modem Status Register
18
Gowin UART Slave Implementation
19
Figure4-10 UART Slave Implementation Block Diagram
19
5 Interface Configuration
20
UART MASTER IP Core Interface
20
Figure5-1 UART MASTER Configuration Interface
20
UART SLAVE IP Core Interface
21
Figure 5-2 UART SLAVE Configuration Interface
21
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GOWIN UART Master IP Specifications
General
Manufacturer
GOWIN
Stop Bits
1, 1.5, 2
Clock Enable
Yes
Function
UART Master
Parity
None, Odd, Even
FIFO Depth
16
Flow Control
Hardware (RTS/CTS)
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