3 xdp debug header, Xdp debug header – ADLINK cExpress-BL User Manual

Page 35

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cExpress-BL

Page 35

4.3 XDP Debug header

The debug port is a connection into a target-system environment that provides access to JTAG, run control, system control, and observation

resources. The XDP target system connector is a Samtec™ 60-pin BSH-030-01 series connector.

Pin XDP Signal

Target Signal

I/O Device

Pin XDP Signal

Target Signal

I/O Device

1 GND

GND

NA

2 GND

GND

NA

3 OBSFN_A0 PREQ#

I/O Processor 4 OBSFN_C0

CFG[17]

2

I

Processor

5 OBSFN_A1 PRDY#

I/O Processor 6 OBSFN_C1

CFG[16]

2

I

Processor

7 GND

GND

NA

8 GND

GND

NA

9 OBSDATA_A0 CFG[0]

2

I/O

Processor

10

OBSDATA_C0

CFG[8]

2

I/O Processor

11 OBSDATA_A1 CFG[1]

2

I/O

Processor

12

OBSDATA_C1

CFG[9]

2

I/O Processor

13 GND

GND

NA

14 GND

GND

NA

15 OBSDATA_A2 CFG[2]

2

I/O

Processor

16

OBSDATA_C2

CFG[10]

2

I/O Processor

17 OBSDATA_A3 CFG[3]

2

I/O

Processor

18

OBSDATA_C3

CFG[11]

2

I/O Processor

19 GND

GND

NA

20 GND

GND

NA

21 OBSFN_B0 BPM#[0]

1

I/O

Processor

22

OBSFN_D0

CFG[19]

2

I/O Processor

23 OBSFN_B1 BPM#[1]

1

I/O

Processor

24

OBSFN_D1

CFG[18]

2

I/O Processor

25 GND

GND

NA

26 GND

GND

NA

27 OBSDATA_B0 CFG[4]

2

I/O

Processor

28

OBSDATA_D0

CFG[12]

2

I

Processor

29 OBSDATA_B1 CFG[5]

2

I/O

Processor

30

OBSDATA_D1

CFG[13]

2

I

Processor

31 GND

GND

NA

32 GND

GND

NA

33 OBSDATA_B2 CFG[6]

2

I/O

Processor

34

OBSDATA_D2

CFG[14]

2

I/O Processor

35 OBSDATA_B3 CFG[7]

2

I/O

Processor

36

OBSDATA_D3

CFG[15]

2

I/O Processor

37 GND

GND

NA

38 GND

GND

NA

39 HOOK0

PWRGOOD

I System

40 ITPCLK/HOOK4 Open

NA

41 HOOK11

BP_PWRGD_RST# O System

42 ITPCLK#/HOOK5 Open

NA

43 VCC_OBS_AB VCCIO_OUT

I System

44 VCC_OBS_CD VCCIO_OUT

I System

45 HOOK2

PWR_DEBUG

O Processor 46 HOOK6/RESET# PLTRSTIN#

I System

47 HOOK3

PCH_SYS_PWROK O System

48 HOOK7/DBR# DBR#

O System

49 GND

GND

NA

50 GND

GND

NA

51 SDA1

SDA

I/O System

52 TDO

TDO

I Processor

53 SCL1

SCL

I/O System

54 TRSTn

TRST#

O Processor

55 TCK1

Open

NA

56 TDI

TDI

O Processor

57 TCK0

TCK

O Processor 58 TMS

TMS

O Processor

59 GND

GND

NA

60 GND

GND (or XDP_PRESENT#
if required)

NA

Notes:

1. These signals are optional, can be left as OPEN/No-Connect if debug by Intel will not be needed.

2. These CFG signals can be left as Open/No Connect if not used as a strapping signal and top side probe will be used to debug

processor.

Refer to the "Shark Bay, Denlow and Broadwell U/Y Platforms Debug Port Design Guide", Document Number: 479493, Revision: 2.0

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