參數(shù)資料
型號(hào): VV5404
廠商: Electronic Theatre Controls, Inc.
英文描述: CIF FORMAT DIGITAL IMAGE SENSOR
中文描述: CIF格式的數(shù)字圖像傳感器
文件頁數(shù): 29/54頁
文件大?。?/td> 786K
代理商: VV5404
VV5404 & VV6404
CD5404-6404F-A
29/54
5.5
There may be up to 128, 8-bit registers within the camera, accessible by the user via the serial interface. They are
grouped according to function with each group occupying a 16-byte page of the location address space. There may
be up to eight such groups, although this scheme is purely a conceptual feature and not related to the actual hardware
implementation, The primary categories are given below:
Status Registers (Read Only).
Setup registers with bit significant functions.
Exposure parameters that influence output image brightness.
System functions and analogue test bit significant registers.
Any internal register that can be written to can also be read from. There are a number of read only registers that
contain device status information, (e.g. design revision details).
Names that end with H or L denote the most or least significant part of the internal register. Note that unused locations
in the H byte are packed with zeroes.
STMicroelectronics sensors that include a 2-wire serial interface are designed with a common address space. If a
register parameter is unused in a design, but has been allocated an address in the generic design model, the location
is referred to as
reserved
. If the user attempts to read from any of these
reserved
locations a default byte will be
read back. In VV6404 this data is the LSByte of the device status word, address 000_0000. A write instruction to a
reserved (but unused) location is illegal and would not be successful as the device would not allocate an internal
register to the data word contained in the instruction.
The Programmers Model
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