Technical Product Specification

Intel
®
Server Chassis P4000S Family TPS 4x3.5” Hot-Swap Back Plane (HSBP)
Revision 1.5 Intel order number G22850-006
79
5.2 4x 3.5" HSBP Functional Description
5.2.1 4x3.5” HSBP Microcontroller
The microcontroller Cypress* PSoC (CY8C22545-24AXI) is sized for 4x and 8x HSBP. It
includes I
2
C interface hardware for in application updating of FW operational code from the I
2
C
interface.
Following are the microcontroller signal names and pin numbers:
Table 98. 4x3.5" HSBP Microcontroller Pinouts
Pin
Pin Name
Signal Name
1
P2[5]
FM_HDD_PRSNT1
2
P2[3]
SGPIO_DATAOUT_0
3
P2[1]
SGPIO_DATAIN_0
4
Vdd
P3V3
5
P4[5]
TP_SATA_6X_MODE
6
P4[3]
LED_HDD_FAULT3_N
7
P4[1]
LED_HDD_FAULT1_N
8
Vss
GND
9
P3[7]
TP_SGPIO_DATAOUT_1
10
P3[5]
TP_SGPIO_DATAIN_1
11
P3[3]
TP_HDD_PRSNT_7
12
P3[1]
TP_HDD_PRSNT_5
13
P1[7]
SMB_P3V3_CLK
14
P1[5]
SMB_P3V3_DAT
15
P1[3]
TP_P1_3
16
P1[1]
SMB_ISSP_CLK
17
Vss
GND
18
P1[0]
SMB_ISSP_DAT
19
P1[2]
TP_P1_2
20
P1[4]
SMB_ADD0
21
P1[6]
SMB_ADD1
22
P3[0]
TP_HDD_PRSNT_4
23
P3[2]
TP_HDD_PRSNT_6
24
P3[4]
TP_SGPIO_CLK_1
25
P3[6]
TP_SGPIO_LOAD_1
26
XRES
FM_ISSP_XRES
27
P4[0]
LED_HDD_FAULT0_N
28
P4[2]
LED_HDD_FAULT2_N
29
P4[4]
TP_P4_4
30
Vss
GND
31
P2[0]
SGPIO_CLOCK_0
32
P2[2]
SGPIO_LOAD_0
33
P2[4]
FM_HDD_PRSNT0
34
P2[6]
FM_HDD_PRSNT2
35
P0[0]
Therm_P0