PS2303V - flowswitch/phison GitHub Wiki

PS2251-03-V pinout

PS2251-03-V pinout

Pin description

Pin Name Type Description
1 TEST I Test mode. Must be grounded for normal operation
2 LED O LED control
3 VCC1A P 1V power rail A
4 VCC1B P 1V power rail B (core ?)
5 VIO P NAND IO power rail. Connect to 3.3V or 1.85V supply
6 F0nRE O NAND channel 0 read enable
7 F0nWE O NAND channel 0 write enable
8 F0DQS IO NAND channel 0 data strobe
9 nWP O NAND common write protect
10 nCE2 O NAND chip enable 2
11 nCE3 O NAND chip enable 3
12 VREG3A P 3V regulator A output. Connect to VCC3HS
13 VBUS P VBUS 5V input to all regulators
14 VREG3B P 3V regulator B output. Can be used to supply 3V VIO
15 VREG18 P 1.85V regulator output. Can be used to supply 1.8V VIO
16 VCC1B P 1V power rail B (core ?)
17 VCC1A P 1V power rail A
18 VCC1B P 1V power rail B (core ?)
19 F0DQ0 IO NAND channel 0 data 0
20 F0DQ1 IO NAND channel 0 data 1
21 VIO P NAND IO power rail. Connect to 3.3V or 1.85V supply
22 F0DQ2 IO NAND channel 0 data 2
23 F0DQ3 IO NAND channel 0 data 3
24 RnB I NAND common ready/busy
25 F0DQ4 IO NAND channel 0 data 4
26 F0DQ5 IO NAND channel 0 data 5
27 F0DQ6 IO NAND channel 0 data 6
28 F0DQ7 IO NAND channel 0 data 7
29 VIO P NAND IO power rail. Connect to 3.3V or 1.85V supply
30 VCC1B P 1V power rail B (core ?)
31 VCC1B P 1V power rail B (core ?)
32 VCC1A P 1V power rail A
33 F0ALE O NAND channel 0 address latch enable
34 F0CLE O NAND channel 0 command latch enable
35 nCE1 O NAND chip enable 1
36 nCE0 O NAND chip enable 0
37 DP IO USB D+
38 DM IO USB D-
39 VCC3HS P USB transceiver 3V supply. Connect to VREG3A
40 VCC1HS P USB transceiver 1V supply. Connect to VCC1A
41 XTAL2 C External crystal. Leave unconnected to use internal oscillator
42 XTAL1 C External crystal. Leave unconnected to use internal oscillator
43 VCC1SS P USB SS transceiver 1V supply. Connect to VCC1A
44 SSRXM I USB SS RX-
45 SSRXP I USB SS RX+
46 VCC1SS P USB SS transceiver 1V supply. Connect to VCC1A
47 SSTXM I USB SS TX-
48 SSTXP I USB SS TX+

Bottom pad is ground