SW2-303

SW2-303 (SysCon)

First to be seen on PS3 Slim CECH-25xx with motherboards: JSD-00x/JTP-00x

Photo of a Syscon 'SW2-303' (QFP Packaging)

QFP Package : 128 pins
pin 1 left bottom at mark, counter clockwise from south (pins 1-38) to east (pins 39-64), north (pins 65-102), west (103-128))

Pinout

Pin #	Name	Port	Description	STBY Voltages
1				0
2			~1V @ standby (0 V?)	0
3			3V @ standby (3.15V)	3.15
4				0
5	POW_LED			0
6	STBY_LED		3v @ standby (3.3V)	3.3
7				0
8				0
9				0
10				0
11			Connected to Backlit LEDs @SWITCH Board	0
12			Connected to CONTOUR LEDs @SWITCH Board	0
13			Connected to Pogo pin @SWITCH Board, seems its a service pin.	0
14				0
15				0
16	BUZZER			0
17				0
18			3v @ standby	3.0
19				0
20				0
21	BACKUP_MODE?		3v @ standby	3.0
22			(Connected to Pin 7 @ Service Connector) (0V?)	0
23				0
24	THR_I2C_SDA		Connected to pin 7 of CELL/RSX temperature monitor IC's (SMbus I2C shared data line)	3v @ standby (3.15)
25	THR_I2C_SCL		Connected to pin 8 of CELL/RSX temperature monitor IC's (SMbus I2C shared clock line)	3v @ standby (3.15)
26			Connected to standby voltage regulator 463A, pin 3
27			CLK -> 1-2V Amplitude (32.768Khz?)
28			CLK -> 1-2V Amplitude (32.768Khz?)
29			1v @ standby (Connected to pin 8 at Service Connector)	2.7
30			0.8v @ standby	1.1
31			2.2v @ standby	0.15
32				2.5
33	GROUND			0
34	GROUND			0
35			3v @ standby (3.3)	3.3
36			3v @ standby (3.3)	3.3
37			0.2v @ standby	0
38			0.2v @ standby	0
39				0
40				0
41	AC IN?		3v @ standby (3.3)	3.3
42				0
43	DIAG_MODE?		3v @ standby	3.0
44				0
45				0
46				0
47			3v @ standby (3.15)	3.15
48			3v @ standby (3.15)	3.15
49				0
50			(Connected to pin 3 @ Service Connector)	0
51				0
52				0
53				0
54				0
55				0
56	GROUND			0
57			3v @ standby (3.3)	3.3
58				0
59				0
60				0
61				0
62				0
63				0
64				0
65				0
66				0
67				0
68				0
69				0
70				0
71				0
72				0
73				0
74				0
75				0
76			3v @ standby (3.15)	3.15
77			3v @ standby (3.3)	3.3
78	SC_RxD			0
79	SC_TxD		3v @ standby (3.3)	3.3
80				0
81			1v @ standby	0
82				0
83			2v @ standby	0
84			3v @ standby	3.0
85				0
86				0
87				0
88				0
89				0
90				0
91				0
92				0
93				0
94				0
95				0
96				0
97			3v @ standby (3.3)	3.3
98				0
99				0
100			3v @ standby (3.3)	3.3
101	GROUND			0
102				0
103				0
104				0
105				0
106				0
107				0
108				0
109			3v @ standby	3.0
110	/POW_SW		3v @ standby (3.3)	3.3
111	/EJECT_SW		3v @ standby (3.3)	3.3
112				0
113				0
114				0
115				0
116				0
117			(0V?)	0
118	ACDC_STBY			0
119			Connected to standby voltage regulator 348A, pins 2 and 7
120				0
121				0
122				0
123				0
124				0
125				0
126	FAN_PWM		PWM Control for the Fan.	0
127				0
128				0