Warp-LC/RAM.sch

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2021-10-29 10:04:52 +00:00
EESchema Schematic File Version 4
EELAYER 30 0
EELAYER END
$Descr A4 11693 8268
encoding utf-8
Sheet 4 7
Title ""
Date ""
Rev ""
Comp ""
Comment1 ""
Comment2 ""
Comment3 ""
Comment4 ""
$EndDescr
Text Label 2400 2500 2 50 ~ 0
RA0
Text Label 2400 2600 2 50 ~ 0
RA1
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RA2
Text Label 2400 2900 2 50 ~ 0
RA4
Text Label 2400 2800 2 50 ~ 0
RA3
Text Label 2400 3000 2 50 ~ 0
RA5
$Comp
L GW_RAM:SDRAM-16Mx16-TSOP2-54 U4
U 1 1 6326A531
P 2900 3200
F 0 "U4" H 2900 4350 50 0000 C CNN
F 1 "W9825G6KH-6" V 2900 3200 50 0000 C CNN
F 2 "stdpads:Winbond_TSOPII-54" H 2900 1550 50 0001 C CIN
F 3 "" H 2900 2950 50 0001 C CNN
1 2900 3200
1 0 0 -1
$EndComp
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RA7
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RA9
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RA10
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RA11
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RA12
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BA0
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BA1
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D0
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D1
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D2
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D3
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D5
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D15
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DQM0
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DQM1
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~CS~
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~WE~
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~CAS~
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~RAS~
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CKE
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CLK01
$Comp
L power:GND #PWR0126
U 1 1 632755E1
P 2400 4500
F 0 "#PWR0126" H 2400 4250 50 0001 C CNN
F 1 "GND" H 2400 4350 50 0000 C CNN
F 2 "" H 2400 4500 50 0001 C CNN
F 3 "" H 2400 4500 50 0001 C CNN
1 2400 4500
1 0 0 -1
$EndComp
Wire Wire Line
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$Comp
L power:+3V3 #PWR0127
U 1 1 632761AA
P 2400 2200
F 0 "#PWR0127" H 2400 2050 50 0001 C CNN
F 1 "+3V3" H 2400 2350 50 0000 C CNN
F 2 "" H 2400 2200 50 0001 C CNN
F 3 "" H 2400 2200 50 0001 C CNN
1 2400 2200
1 0 0 -1
$EndComp
Wire Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
3600 3500 3700 3600
Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
3400 3200 3600 3200
Entry Wire Line
3600 3200 3700 3300
Wire Wire Line
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Entry Wire Line
3600 3100 3700 3200
Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
3400 2500 3600 2500
Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
2200 3300 2100 3400
Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
2200 3100 2100 3200
Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
2400 2800 2200 2800
Entry Wire Line
2200 2800 2100 2900
Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
2200 2600 2100 2700
Wire Wire Line
2400 2500 2200 2500
Entry Wire Line
2200 2500 2100 2600
Wire Bus Line
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Wire Bus Line
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Wire Bus Line
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Wire Bus Line
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Wire Bus Line
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Text HLabel 4250 2600 0 50 Input ~ 0
RA[12..0]
Text HLabel 3750 2300 2 50 BiDi ~ 0
D[31..0]
Text HLabel 5950 2300 2 50 BiDi ~ 0
D[31..0]
Wire Bus Line
4300 3900 4250 3900
Wire Bus Line
4300 2600 4250 2600
Connection ~ 4600 2200
Wire Bus Line
5900 2300 5950 2300
Wire Bus Line
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Wire Bus Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Wire Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
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Entry Wire Line
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Wire Wire Line
5600 2700 5800 2700
Entry Wire Line
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Wire Wire Line
5600 2800 5800 2800
Entry Wire Line
5800 2900 5900 3000
Wire Wire Line
5600 2900 5800 2900
Wire Wire Line
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$Comp
L power:+3V3 #PWR0128
U 1 1 63276882
P 4600 2200
F 0 "#PWR0128" H 4600 2050 50 0001 C CNN
F 1 "+3V3" H 4600 2350 50 0000 C CNN
F 2 "" H 4600 2200 50 0001 C CNN
F 3 "" H 4600 2200 50 0001 C CNN
1 4600 2200
1 0 0 -1
$EndComp
Connection ~ 4600 4500
Wire Wire Line
4600 4500 4600 4400
$Comp
L power:GND #PWR0129
U 1 1 63274829
P 4600 4500
F 0 "#PWR0129" H 4600 4250 50 0001 C CNN
F 1 "GND" H 4600 4350 50 0000 C CNN
F 2 "" H 4600 4500 50 0001 C CNN
F 3 "" H 4600 4500 50 0001 C CNN
1 4600 4500
1 0 0 -1
$EndComp
Text HLabel 4600 4200 0 50 Input ~ 0
CLK23
Text HLabel 4600 4100 0 50 Input ~ 0
CKE
Text HLabel 5600 4500 2 50 Input ~ 0
~RAS~
Text HLabel 5600 4400 2 50 Input ~ 0
~CAS~
Text HLabel 5600 4300 2 50 Input ~ 0
~WE~
Text HLabel 5600 4200 2 50 Input ~ 0
~CS~
Text Label 5600 3700 0 50 ~ 0
D31
Text Label 5600 3600 0 50 ~ 0
D30
Text Label 5600 3500 0 50 ~ 0
D29
Text Label 5600 3400 0 50 ~ 0
D28
Text Label 5600 3300 0 50 ~ 0
D27
Text Label 5600 3200 0 50 ~ 0
D26
Text Label 5600 3100 0 50 ~ 0
D25
Text Label 5600 3000 0 50 ~ 0
D24
Text Label 5600 2900 0 50 ~ 0
D23
Text Label 5600 2800 0 50 ~ 0
D22
Text Label 5600 2700 0 50 ~ 0
D21
Text Label 5600 2600 0 50 ~ 0
D20
Text Label 5600 2500 0 50 ~ 0
D19
Text Label 5600 2400 0 50 ~ 0
D18
Text Label 5600 2300 0 50 ~ 0
D17
Text Label 5600 2200 0 50 ~ 0
D16
Text Label 5600 3900 0 50 ~ 0
DQM3
Text Label 5600 3800 0 50 ~ 0
DQM2
Text Label 4600 3900 2 50 ~ 0
BA1
Text Label 4600 3800 2 50 ~ 0
BA0
Text Label 4600 3700 2 50 ~ 0
RA12
Text Label 4600 3600 2 50 ~ 0
RA11
Text Label 4600 3500 2 50 ~ 0
RA10
Text Label 4600 3400 2 50 ~ 0
RA9
Text Label 4600 3300 2 50 ~ 0
RA8
Text Label 4600 3200 2 50 ~ 0
RA7
Text Label 4600 3100 2 50 ~ 0
RA6
Text Label 4600 3000 2 50 ~ 0
RA5
Text Label 4600 2800 2 50 ~ 0
RA3
Text Label 4600 2900 2 50 ~ 0
RA4
Text Label 4600 2700 2 50 ~ 0
RA2
Text Label 4600 2600 2 50 ~ 0
RA1
Text Label 4600 2500 2 50 ~ 0
RA0
Text HLabel 2050 2600 0 50 Input ~ 0
RA[12..0]
Text HLabel 2050 3900 0 50 Input ~ 0
BA[1..0]
Text HLabel 4250 3900 0 50 Input ~ 0
BA[1..0]
Wire Bus Line
3700 4000 3750 4000
Wire Bus Line
5900 4000 5950 4000
Text HLabel 3750 4000 2 50 Input ~ 0
DQM[3..0]
Text HLabel 5950 4000 2 50 Input ~ 0
DQM[3..0]
$Comp
L GW_RAM:SDRAM-16Mx16-TSOP2-54 U5
U 1 1 6327223F
P 5100 3200
F 0 "U5" H 5100 4350 50 0000 C CNN
F 1 "W9825G6KH-6" V 5100 3200 50 0000 C CNN
F 2 "stdpads:Winbond_TSOPII-54" H 5100 1550 50 0001 C CIN
F 3 "" H 5100 2950 50 0001 C CNN
1 5100 3200
1 0 0 -1
$EndComp
Wire Bus Line
3700 2300 3700 3800
Wire Bus Line
2100 2600 2100 3800
Wire Bus Line
4300 2600 4300 3800
Wire Bus Line
5900 2300 5900 3800
$EndSCHEMATC