BCM4319 Preliminary Data Sheet
Pinout and Signal Descriptions
Section 9: Pinout and Signal Descriptions
Signal Assignments
138-Ball WLBGA Pinout
The 138-Ball WLBGA pinout is provided in Table 5.
Note: The X- and Y-coordinate orientation is looking at the silicon face (i.e., looking up at the bottom
of the die at the bumps, as opposed to top down). See Figure 25 on page 81 for the origin location
(0, 0).
Bump Side View (0,0 center of die)
Table 5: WLBGA Signal Assignments by Pin Number and X- and Y-Coordinates
Ball Pad
Signal Name
X Coord
Y Coord
WA1
WA10
WA2
WA3
WA4
WA5
WA6
WA8
WA9
WB1
WB11
WB2
WB4
WB5
WB8
WB9
WC1
WC10
WC11
WC2
WC5
WC7
WC8
WRF_GNDPAA_3P3
XTALIN
–2654.9
–2654.9
–2654.9
–2654.9
–2654.9
–2654.9
–2654.9
–2654.9
–2654.9
–2254.9
–2254.9
–2254.9
–2254.9
–2254.9
–2254.9
–2254.9
–1854.9
–1854.9
–1854.9
–1854.9
–1854.9
–1854.9
–1854.9
1940
–1660
1540
1140
740
WRF_GNDTX_1P2
WRF_VDDTX_1P2
WRF_RFINP_A1
WRF_VDDRX_1P2
WRF_RFINP_G1
WRF_RFINN_G1_XFMR
WRF_GNDCAB_1P2
WRF_VDDPAA_3P3
VDDXO
340
–60
–860
–1260
1940
–2060
1540
740
WRF_RFOUTP_A
WRF_RFINN_A1_XFMR
WRF_GNDRX_1P2
WRF_GNDD_1P2
WRF_RES_EXT
WRF_GNDPAA_3P3
VDD
340
–860
–1260
1940
–1660
–2060
1540
340
XTALOUT
WRF_GNDPAG_3P3
WRF_VDDLO_1P2
WRF_VDDA_1P2
WRF_VDDD_1P2
–460
–860
Broadcom®
Single-Chip IEEE 802.11™ a/b/g/n MAC/Baseband/Radio
Page 45
April 2, 2014 • 4319-DS05-R
CYPRESS [ CYPRESS ]
