SAA4952WP/V1 Ver la hoja de datos (PDF) - Philips Electronics
Número de pieza
componentes Descripción
Lista de partido
SAA4952WP/V1 Datasheet PDF : 32 Pages
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Philips Semiconductors
Memory controller
Objective specification
SAA4952WP
PINNING
SYMBOL
PIN
I/O
DESCRIPTION
HRD
1
O
horizontal reference signal output (display PLL)
VDD1
SWC1
2
supply supply voltage 1
3
O
serial write clock output for memory 1
SRC
4
O
serial read clock output
SDP
5
I
select deflection processor input
SWC05
6
O
serial write clock output, SWC1 divided-by-2
IE1
7
O
input enable signal output (memory 1)
WE1
8
O
write enable signal output (memory 1)
STROBE
9
I
strobe signal input
VDD2
HRA/BLNA
VSS1
LLA
10
supply supply voltage 2
11
I/O
horizontal reference signal output (acquisition part)/horizontal blanking
signal input, reset for horizontal acquisition counters (acquisition part)
12
−
ground 1
13
I
line-locked clock signal input (acquisition part)
IE2
14
O
input enable signal output (memory 2)
WE2
15
O
write enable signal output (memory 2)
CLV
16
O
horizontal signal output (acquisition part)
HVCD
17
O
horizontal, vertical or composite blanking signal output (display part)
RE1
18
O
read enable signal output (memory 1)
RE2
19
O
read enable signal output (memory 2)
BLND
20
O
horizontal blanking signal output (display part)
ALE
21
I
address latch enable signal input
WRD
22
I
write/read data signal input
VDD3
VSS2
P0
23
supply supply voltage 3
24
−
ground 2
25
I/O
data input/output signal bit 0
P1
26
I/O
data input/output signal bit 1
P2
27
I/O
data input/output signal bit 2
P3
28
I/O
data input/output signal bit 3
P4
29
I/O
data input/output signal bit 4
P5
30
I/O
data input/output signal bit 5
P6
31
I/O
data input/output signal bit 6
P7
32
I/O
data input/output signal bit 7 (MSB = Most Significant Bit)
LLDFL
33
I
line-locked clock signal input (deflection part)
VSS3
HRDFL
34
−
ground 3
35
O
horizontal reference signal output (deflection part)
VDD4
HDFL
36
supply supply voltage 4
37
O
horizontal synchronization signal output (deflection part)
VDFL
38
O
vertical synchronization signal output (deflection part)
VACQ
39
I
vertical synchronization signal input (acquisition part)
1997 Jun 10
4
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