PRELIMINARY
CYW54907
Table 10. Signal Descriptions (Cont.)
Bump Number
Signal Name
Type
Description
GPIO Interface (WLAN)
141
142
139
144
136
132
133
95
GPIO_0
GPIO_1
GPIO_2
GPIO_3
GPIO_4
GPIO_5
GPIO_6
GPIO_7
GPIO_8
GPIO_9
GPIO_10
GPIO_11
GPIO_12
GPIO_13
GPIO_14
GPIO_15
GPIO_16
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
Programmable GPIO pins.
134
94
146
140
143
131
130
145
137
Ground
GND AFE ground
218, 219, 224, 225, 230, 232, 234, 236, WRF_AFE_GND
238, 242, 243, 247
6, 14, 15, 21, 22, 25, 35, 39, 40, 42, 50, VSSC
52, 53, 56–60, 79, 96, 104, 135, 177,
178, 182, 183, 197, 209, 210, 248, 251,
253, 256, 259, 260, 262, 264–266,
272–274, 287, 290–292, 301, 302,
308, 313, 315
GND Core ground for WLAN and APP sections
110, 111, 123, 124
SR_PVSS
GND Power ground
97
PMU_AVSS
AVSS
GND Quiet ground
212
191
168
172
171
GND Baseband PLL ground
GND AUDIO PLL ground
GND USB 2.0 analog ground
GND USB 2.0 analog ground
GND USB 2.0 digital ground
AVSS_AUDIO
USB2_AVSS
USB2_AVSSBG
USB2_DVSS
Hibernation Block, Power-Down/Power-Up, and Reset
100
REG_ON
I
Used by PMU to power up or power down the internal
CYW54907 regulators used by the WLAN and APP
sections. Also, when deasserted, this pin holds the
WLAN and APP sections in reset. This pin has an internal
200 kΩ pull-down resistor that is enabled by default. It
can be disabled through programming.
282
HIB_REG_ON_IN
I
Used by thehibernation block to power up or power down
the internal CYW54907 regulators. For applications that
use the hibernation block, HIB_REG_ON_OUT must
connect to REG_ON. Also, when deasserted, this pin
holds the WLAN and APP sections in reset.
278
HIB_REG_ON_OUT
O
REG_ON output signal generated by the hibernation
block.
Document Number: 002-19312 Rev. *C
Page 39 of 95
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