6881094C31-E November 16, 2006
Troubleshooting Tables: List of Board and IC Signals 7-27
E4 MECH_SW Q501 pin 3
Radio On/Off Switch, Pulls to GND if
switch is close, 2.5Vdc Otherwise Yes
E6 SPI_CLK SCKB Yes
E7 VC_DCLK R572
SSI serial clock. (Freq = 8 KHz *
16bits/slot * #slots) Yes
E8 VFUSE GND Yes
E9 UART2_TXD TP_UTXD2 Yes
E11 BUSY_OUT
TP_BSY_OU
T Controls SB9600, Active Low Yes
E12 VBUS1_SENS NC No
E13 SW5_SUMCOMP NC 5 Pulse Output that Operates at 5V No
E14 SW5_VSENSE NC No
F1 INT_SPKR_P J101 pin 40
Analog Output, Positive Internal
Speaker PA Pin Yes
F2 INT_SPKR_M J101 pin 37
Analog Output, Negative Internal
Speaker PA Pin Yes
F3 BAT_RTC C500 Analog I/O for RTC Yes
F4 EMERG_PB NC No
F5 GATED_32K_CLK U512 pin 3 36.25KHz Nominal Signal Yes
F10 OPT_GPIO0 NC Yes
F11 VBUS32_SENS NC Yes
F12 SW5_VOUT NC Yes
F13 SW5_VDDHV NC Yes
F14 SW1_PHASE Q502 pin 16
Input Used to Detect if Output has
Switched Yes
G1 EXT_SPKR_M J101 pin 9
Analog Output, Negative External
Speaker PA Pin Yes
G2 PA_IN_P C564 Analog Input, Plus PA pin Yes
G3 PA_IN_M C565 Analog Input, Minus PA pin Yes
Table 7-10. U501 MAKO IC Pinouts (for kit NNTN5567)
U301
Pin
No.
Description To/From Comment
Accessible
on Vococn
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