SAA4952WP Просмотр технического описания (PDF) - Philips Electronics
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SAA4952WP Datasheet PDF : 32 Pages
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Philips Semiconductors
Memory controller
Objective specification
SAA4952WP
BLOCK DIAGRAM
handbook, full pagewidth
ALE WRD P0 P1 P2 P3 P4 P5 P6 P7
21 22 25 26 27 28 29 30 31 32
MICROCONTROLLER
INTERFACE
SAA4952WP
9
STROBE
13
LLA
(12, 13.5, 16, 18 MHz)
40
TEST
5
SDP
41
SSC
39
VACQ
(50/60 Hz)
7
IE
PROCESSING 14
3
ACQUISITION
HORIZONTAL
TIMING
HWE1
÷2
6
11
16
VACQS
IE1
IE2
SWC1
SWC05
HRA/BLNA
CLV
8
LOGIC
ACQUISITION VWE1
VERTICAL
TIMING
42
WE1
RSTW1
33
LLDFL
(27, 32, 36 MHz)
43
LLD
(32, 36 MHz)
DEFLECTION
TIMING
LOGIC
35
37
38
VWE2
DISPLAY
VERTICAL
VRE1
15
TIMING
VRE2
VD
17
LOGIC
18
HWE2
HRE
19
DISPLAY
HD
HORIZONTAL
TIMING
20
1
HRDFL
HDFL
VDFL
WE2
HVCD
RE1
RE2
BLND
HRD
2, 10, 23, 36
4
12, 24, 34, 44
SRC
VDD1 to VDD4
VSS1 to VSS4
MHA724
Fig.1 Block diagram.
1997 Jun 10
3
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