參數(shù)資料
型號(hào): SAA8115HL
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: Digital Camera USB Interface(數(shù)字照相USB接口)
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP144
封裝: 20 X 20 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT-486-1, LQFP-144
文件頁(yè)數(shù): 18/56頁(yè)
文件大小: 177K
代理商: SAA8115HL
2000 Jan 27
18
Philips Semiconductors
Preliminary specification
Digital camera USB interface
SAA8115HL
9.1.2
F
RAME RATE CONVERTER AND
SDRAM
INTERFACE REGISTERS
Table 6
Detailed description of SNERT FRC and SDRAM register 0x01
Table 7
Detailed description of SNERT FRC and SDRAM register 0x02
BIT
SNERT REGISTER 01: FRC_CONTROL_0
7
6
5
4
3
2
1
0
PARAMETER
X
reserved
number of active lines after rising edge of VS signal; range: 0 to 6 (by default 0)
FRAMERATE_DIVIDER_SELECT_BIT
undefined
32 (30 fps in; 0.9375 fps out)
16 (15 fps in; 0.9375 fps out)
6 (30 fps in; 5 fps out)
3 (30 fps in; 10 fps out) or (15 fps in; 5 fps out)
2 (30 fps in; 15 fps out) or (15 fps in; 7.5 fps out)
1 (1 fps in; 1 fps out) (by default)
undefined
LLC_CLKFREQ
24 MHz (by default)
12 MHz
X
X
X
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
BIT
SNERT REGISTER 02: FRC_CONTROL_1
7
6
5
4
3
2
1
0
PARAMETER
X
X
X
reserved
REFRESH_MODE
automatic SRAM refresh
precharge command as implicit refresh (by default)
REFRESH_CLOCK (MSBs)
see Table 9
INPUT_FORMAT
undefined
medium resolution
CIF
VGA (by default)
1
0
X
X
1
1
0
0
1
0
1
0
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