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參數(shù)資料
| 型號(hào)： | SAA4952WP |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Memory controller |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC44 |
| 封裝： | PLASTIC, SOT-187, LCC-44 |
| 文件頁(yè)數(shù)： | 13/32頁(yè) |
| 文件大小： | 159K |
| 代理商： | SAA4952WP |
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1997 Jun 10
13
Philips Semiconductors
Objective specification
Memory controller
SAA4952WP
Table 10
Mode1 register description
Table 11
Signal mode at pin 17
Table 12
Display modes
Notes
1.
2.
3.
VFS: Vertical Frequency Select; register MODE1; bit 7.
SSC: Select Single Clock SAA4952WP input pin 41.
DR: Display Raster; register MODE1; bit 0.
REGISTER
BIT
NAME
REMARKS
MODE1
0
1
DR
display raster
stop writing to memory 1; still picture mode; STROBE signal can override still
picture mode
stop writing to memory 2; still picture mode
select mode of display signal at pin 17; bit 0
golden SCART mode
GSC = 0: normal operation
GSC = 1: golden SCART mode
select mode of display signal at pin 17; bit 1; see Table 11
external acquisition clock
EXTLLA = 0: normal operation
EXTLLA = 1: LLA and horizontal reference pulse BLNA (horizontal reset)
from external digital source
vertical frequency select
VFS = 0: 100/120 Hz
VFS = 1: 50/60 Hz
STPWM1
2
3
4
STPWM2
SD0
GSC
5
6
SD1
EXTLLA
7
VFS
SD1
SD0
MODE
0
0
1
1
0
1
0
1
horizontal signal HD at the output
vertical signal VD at the output
composite signal CD (derived from HD and VD by AND connection) at the output
composite signal CD at the output
CONTROL BITS
DISPLAY MODE (NUMBER OF LINES VALID FOR STANDARD PAL)
VFS
(1)
SSC
(2)
DR
(3)
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
1
0
1
0
1
0
1
100 Hz (312.5 lines) ABAB raster
100 Hz (313, 312.5, 312 and 312.5 lines) AABB raster
not allowed
not allowed
50 Hz (625 lines) 1 : 1; non-interlaced
50 Hz (1250 lines) 2 : 1; interlaced
50 Hz (312.5 lines) 2 : 1
not allowed
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA4955 | 2.9-Mbit field memory |
| SAA4955TJ | 2.9-Mbit field memory |
| SAA4956TJ | 2.9-Mbit field memory with noise reduction |
| SAA4960 | Integrated PAL comb filter |
| SAA4963 | Integrated NTSC comb filter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA4955 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2.9-Mbit field memory |
| SAA4955TJ | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2.9-Mbit field memory |
| SAA4956TJ | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:2.9-Mbit field memory with noise reduction |
| SAA4960 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated PAL comb filter |
| SAA4963 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Integrated NTSC comb filter |
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