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			Connected to pin27 @Panasonic MN8647091	0
2	P141		Connected to pinD1@SB through the resistor. ~1V @ standby (0 V?)	0
3	P140		pinBA17@BE connected through the NPN transistor. 3V @ standby (3.15V)	3.15
4			To +12V_MAIN through the resistor and divider	0
5	P37/POW_LED		Connected to dual led(Green) on switch board through the dual digital NPN trans. EMH1(SOT-563)	0
6	P36/STBY_LED		Connected to dual led(Red) on switch board through the dual digital NPN trans. EMH1(SOT-563)	3v @ standby (3.3V)
7			Connected to pinAA18@SB	0
8			Connected to pinAA17@SB	0
9			CELL BE related?	0
10				0
11	P106		Connected to Backlit LEDs on switch board	0
12	P105		Connected to CONTOUR LEDs on switch board	0
13	P104		Absent element between this line and GND. Nothing else.	0
14				0
15				0
16	BUZZER			0
17				0
18	P44		3v @ standby	3.0
19				0
20				0
21	P41		3v @ standby	3.0
22	TOOL0/Debugger Pin?		(Connected to Pin 7 @ Service Connector) (0V?)	0
23				0
24	P126/THR_I2C_SDA		Connected to pin 7 of CELL/RSX temperature monitor IC's (SMbus I2C shared data line)	3v @ standby (3.15)
25	P125/THR_I2C_SCL		Connected to pin 8 of CELL/RSX temperature monitor IC's (SMbus I2C shared clock line)	3v @ standby (3.15)
26	RESET?		Connected to standby voltage regulator 463A, pin 3
27	P124		Connected to the big black external oscilator 1 next to syscon. CLK -> 1-2V Amplitude (32.768Khz?)
28	P123		Connected to the big black external oscilator 1 next to syscon. CLK -> 1-2V Amplitude (32.768Khz?)
29	P137/FLMD0		3.3v @ standby (Connected to pin 8 at Service Connector through the resistor)	3.33
30	P122		Connected to a small external oscilator 2 ?	0.8v @ standby (1.1)
31	P121		Connected to a small external oscilator 2 ?	2.2v @ standby (2.4)
32	REGC
33	GROUND/Vss0			0
34	GROUND/EVss0			0
35	Vdd		Connected to voltage regulator 463A, pin 2 (3.3_EVER_B)	3v @ standby (3.3)
36	EVdd0		Connected to voltage regulator 463A, pin 2 (3.3_EVER_B)	3v @ standby (3.3)
37	P60		0.2v @ standby	0
38	P61		0.2v @ standby	0
39				0
40				0
41	P31/AC IN?		3v @ standby (3.3)	3.3
42			Connected (indirectly) to voltage regulator BD9684 0906, pin 4	0
43	P65		3v @ standby	3.0
44				0
45				0
46				0
47	P76		3v @ standby (3.15)	3.15
48	P75		3v @ standby (3.15)	3.15
49				0
50	P73		Connected to voltage regulator D35653 0S25, pin 5 (And connected to pin 3 @ Service Connector)	0
51				0
52			Connected to voltage regulator BD3525, pin 12	0
53				0
54				0
55				0
56	GROUND/EVss1			0
57	EVdd1		Connected to voltage regulator 463A, pin 2 (3.3_EVER_B)	3v @ standby (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			Connected to voltage regulator Mitsumi 040 810X, pin 5	0
76	P16		3v @ standby (3.15)	3.15
77	P15		3v @ standby (3.3)	3.3
78	SC_RxD(RxD3/RxD2/P14)			0
79	SC_TxD(TxD3/TxD2/P13)		3v @ standby (3.3)	3.3
80				0
81	P11		1v @ standby	0
82				0
83	P90		2v @ standby	0
84	P91		3v @ standby	3.0
85				0
86				0
87				0
88				0
89				0
90				0
91				0
92			Connected to voltage regulator BD3527 (near FLASH), pin 12	0
93				0
94				0
95			Connected to voltage regulator BD3527 (near USB), pin 12	0
96				0
97	P101		Connected to voltage regulator 463A, pin 2 (3.3_EVER_B)	3v @ standby (3.3)
98				0
99				0
100	P146		Connected to voltage regulator 463A, pin 2 (3.3_EVER_B)	3v @ standby (3.3)
101	GROUND			0
102				0
103				0
104				0
105				0
106				0
107				0
108				0
109	P150		3v @ standby	3.0
110	P27/POW_SW_DET		Power switch detect. Connected to switch board	3v @ standby (3.3) 3.3
111	P26/EJECT_SW_DET		Eject switch detect. Connected to switch board	3v @ standby (3.3) 3.3
112				0
113				0
114				0
115				0
116				0
117	P20		(0V?)	0
118	P130/ACDC_STBY			0
119	P102		Connected to standby voltage regulator 348A, pins 2 and 7
120				0
121				0
122				0
123				0
124			Connected to pin93 @Panasonic MN8647091	0
125				0
126	P145/FAN_PWM		PWM Control for the Fan.	0
127				0
128			Connected to pin29 @Panasonic MN8647091	0