參數(shù)資料
型號(hào): BT849A
英文描述: Single-Chip Video Capture for PCI
中文描述: 單芯片的PCI視頻捕捉
文件頁數(shù): 126/141頁
文件大小: 1149K
代理商: BT849A
Bt848/848A/849A
Single-Chip Video Capture for PCI
Brooktree
116
C
ONTROL
R
EGISTER
D
EFINITIONS
GPIO Output Enable Control
L848A_A
GPIO Output Enable Control
Memory Mapped Location 0x118 – (GPIO_OUT_EN)
GPIO Registered Input Control
Memory Mapped Location 0x11C – (GPIO_REG_INP)
GPIO Data I/O
Memory Mapped Location 0x200–0x2FF – (GPIO_DATA)
Bits
Type
Default
Name
Description
[23:0]
RW
0X000000
GPOE
Writes to this register provide data to the output buffer enables. A
value of 1 enables the driver.
Bits
Type
Default
Name
Description
[23:0]
RW
0X000000
GPIE
Writes to this register provide data to the mux selects on the input
buffers. A value of 0 selects the direct input data to be read for
GPDATA. A value of 1 selects the registered input for GPDATA. Data
on the GPIO pins is registered upon the programmable edge of
GPWE.
Bits
Type
Default
Name
Description
[23:0]
RW
GPDATA
Writes to this register provide data to the output buffers. Read data is
from the input buffer. Data from this register can only be read if output
enables are set and GPIOMODE is set to normal.
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