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Pinout legend:
Type
X1 pinout
I Input
O Output
I/O Input or output
PPower
X1 pin
number
Type Module functionality Usage on
Development board
Comments
1 P GND GND
2 P GND GND
3 I RSTIN# RSTIN# 10k pull-up on module
4 O PWRGOOD PWRGOOD Output of the reset controller
push pull with 470R current
limiting resistor
5 O RSTOUT# RSTOUT# Output of logical AND function
between NS9215 RESET_DONE
and NS9215 RESET_OUT#
6 I TCK TCK JTAG - 10k pull-up on module
7 I TMS TMS JTAG - 10k pull-up on module
8 I TDI TDI JTAG - 10k pull-up on module
9 O TDO TDO JTAG - 10k pull-up on module
10 I TRST# TRST# JTAG - 2k2 pull-up on module
11 O RTCK RTCK JTAG - Optional
12 I CONF2/OCD_EN# CONF2/OCD_EN# 10k pull-up on module
13 I LITTLE# / BIG
ENDIAN
LITTLE# / BIG
ENDIAN
2k2 series resistor on module
14 I Reserved
(WLAN_DISABLE#)
Reserved
(WLAN_DISABLE#)
Low active WLAN Disable
signal
15 I SOFT_CONF0 SOFT_CONF0 2k2 series resistor on module
16 I SOFT_CONF1 SOFT_CONF1 2k2 series resistor on module
17 I SOFT_CONF2 SOFT_CONF2 2k2 series resistor on module
18 I SOFT_CONF3 SOFT_CONF3 2k2 series resistor on module
19 O Reserved
(WLAN_LED#)
Reserved
(WLAN_LED#)
Active low signal coming from
Piper chip. This signal comes
directly from the Piper chip
without series resistor.