C2K User’s Guide
3-8
Interfaces
cPCI_J5 Pin Assignments
Pin
A
B
C
D
E
F
J5-22
J5-21
J5-20
J5-19
J5-18
J5-17
J5-16
J5-15
J5-14
J5-13
J5-12
J5-11
J5-10
J5-9
J5-8
J5-7
J5-6
J5-5
J5-4
J5-3
J5-2
J5-1
Table 3-5
CompactPCI connector J5 pin assignments
PMC1_5
PMC1_4
PMC1_3
PMC1_2
PMC1_1
GND
PMC1_10
PMC1_9
PMC1_8
PMC1_7
PMC1_6
GND
PMC1_15
PMC1_14
PMC1_13
PMC1_12
PMC1_11
GND
PMC1_20
PMC1_19
PMC1_18
PMC1_17
PMC1_16
GND
PMC1_25
PMC1_24
PMC1_23
PMC1_22
PMC1_21
GND
PMC1_30
PMC1_29
PMC1_28
PMC1_27
PMC1_26
GND
PMC1_35
PMC1_34
PMC1_33
PMC1_32
PMC1_31
GND
PMC1_40
PMC1_39
PMC1_38
PMC1_37
PMC1_36
GND
PMC1_45
PMC1_44
PMC1_43
PMC1_42
PMC1_41
GND
PMC1_50
PMC1_49
PMC1_48
PMC1_47
PMC1_46
GND
PMC1_55
PMC1_54
PMC1_53
PMC1_52
PMC1_51
GND
PMC1_60
PMC1_59
PMC1_58
PMC1_57
PMC1_56
GND
PMC1_VIO
PMC1_64
PMC1_63
PMC1_62
PMC1_61
GND
BATT+
EM_BOOTSEL# GPIO_4
GPIO_9
GPIO_14
/ PROCFAIL#
GND
ROM_WP#
BIT_PASS#
PMC_JTAG_EN# GPIO_8
GPIO_13
GND
PB_RST_IN#
GPIO_15 / NMI# ICMB_D-
GPIO_7
GPIO_12
GND
SATA1_RX-
SATA2_RX-
GPIO_6
GPIO_11
GND
S
S
unused
GPIO_5
GPIO_10
GND
SATA1_TX-
SATA2_TX-
USB1_PWR
USB2_PWR
USB3_PWR
GND
S
S
USB1_D-
USB2_D-
USB3_D-
GND
COM1_232_RX COM2_232_RX
GND
COM1_232_TX COM2_232_TX USB1_GND
USB2_GND
USB3_GND
GND
NOTES:
a.
BATT+:
External battery input. The +3.3V supply from the system is used as a battery backup
for the NVRAM and RTC devices.
b.
BIT_PASS#:
Built-In Test (BIT) Status output. At power-up or after reset, this signal is de-asserted
(high). After the firmware Built-In-Test has successfully completed, this signal is
asserted (low).
c.
EM_BOOTSEL#:
Emergency Boot Select input. When this signal is not asserted (high), the boot code is
allowed to exit GEIP-provided boot code. When this input is asserted (low), the boot
code continues to execute from GEIP-provided (Emergency Boot code) boot code.
This signal is pulled high.
d.
GPIO:
General purpose I/O (GPIO_4–GPIO_14)
e.
ICMB:
Inter-Chassis Management Bus
f.
NMI#:
GPIO_15 or Non-Maskable Interrupt input. To make this signal non-maskable, the
CPU_MRS[EE] interrupt mask bit, as well as the bridge mask, must be set.
g.
PB_RST_IN#:
Push-button reset button signal from backplane (C2K-TM).
h.
PMC1 I/O:
from PMC1_J24 per PICMG 2.3
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