參數(shù)資料
型號: CY7C67200
廠商: Cypress Semiconductor Corp.
英文描述: EZ-OTG Programmable USB On-The-Go Host/Peripheral Controller(EZ-OTG可編程USB On-The-Go主機/外圍設備控制器)
中文描述: 的EZ - OTG公司可編程的USB On - The - Go的主機/外設控制器(的EZ - OTG公司可編程的USB On - The - Go的主機/外圍設備控制器)
文件頁數(shù): 60/82頁
文件大小: 1719K
代理商: CY7C67200
CY7C67200
Document #: 38-08014 Rev. *F
Page 60 of 82
Reserved
All reserved bits must be written as ‘0’.
8.10.4
SPI Status Register
[0xC0CE] [R]
Figure 8-68. SPI Status Register
Register Description
The SPI Status register is a read only register that provides status for the SPI port.
FIFO Error Flag
(Bit 7)
The FIFO Error Flag bit is a read only bit that indicates if a FIFO error occurred. When this bit is set to ‘1’ and the Transmit Empty
bit of the SPI Control register is set to ‘1’, then a Tx FIFO underflow has occurred. Similarly, when set with the Receive Full bit of
the SPI Control register, a Rx FIFO overflow has occured.This bit automatically clear when the SPI FIFO Init Enable bit of the
SPI Control register is set.
1:
Indicates FIFO error
0:
Indicates no FIFO error
Receive Interrupt Flag
(Bit 2)
The Receive Interrupt Flag is a read only bit that indicates if a byte mode receive interrupt has triggered.
1:
Indicates a byte mode receive interrupt has triggered
0:
Indicates a byte mode receive interrupt has not triggered
Transmit Interrupt Flag
(Bit 1)
The Transmit Interrupt Flag is a read only bit that indicates a byte mode transmit interrupt has triggered.
1:
Indicates a byte mode transmit interrupt has triggered
0:
Indicates a byte mode transmit interrupt has not triggered
Transfer Interrupt Flag
(Bit 0)
The Transfer Interrupt Flag is a read only bit that indicates a block mode interrupt has triggered.
1:
Indicates a block mode interrupt has triggered
0:
Indicates a block mode interrupt has not triggered
Bit #
15
14
13
12
11
10
9
8
Field
Reserved
Read/Write
-
-
-
-
-
-
-
-
Default
0
0
0
0
0
0
0
0
Bit #
7
6
5
4
3
2
1
0
Field
FIFO Error
Flag
Reserved
Receive
Interrupt Flag
Transmit
Interrupt Flag
Transfer
Interrupt Flag
Read/Write
R
-
-
-
-
R
R
R
Default
0
0
0
0
0
0
0
0
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