6881094C12-A November 11, 2004
Troubleshooting Tables: List of Board and IC Signals 10-13
D16 NOT USED No
G12 UCTS1_USB_SPEED* No
K11 UTXD1_USB_VPO No
K14 USB_VMO No
K13 USB_TX_EN No
D5 8 KHZ_INT R406 8 kHz Pulse Yes
H14 BL_EN C124 Yes
K4 LV_DETECT POR 3.0 V Yes
F9 NOT USED No
J2 NOT USED No
A6 16_8_MHZ C452* 16.8 MHz Yes
J7 FLIP_32K U302, pin 2* 32.768 kHz Yes
G13 NOT USED No
J11 MOD MOD Bootstrap
mode > 2.7 V
Yes
A13 NOT USED No
M6 NOT USED No
R1 NOT USED No
N3 NOT USED No
M5 NOT USED No
P2 NOT USED No
P1 NOT USED No
N1 NOT USED No
M4 NOT USED No
M3 NOT USED No
M2 NOT USED No
M1 NOT USED No
L4 NOT USED No
L3 NOT USED No
L1 NOT USED No
L2 NOT USED No
Table 10-7. U401 MCU/DSP IC Pinouts (Continued)
U401
Pin No. Description To/ Fro m Comment Accessible
on Vocon?