6881094C31-E November 16, 2006
Troubleshooting Tables: List of Board and IC Signals 7-9
* = Component located under a shield on NNTN4563, NNTN4819, & NNTN4717
** = No test point/component on NNTN4563, NNTN4819, & NNTN4717 - signal not
accessible
Table 7-7. U401 Patriot MCU/DSP IC Pinouts
U401
Pin No.
Description To/From Comment
Accessible
on Vocon?
H10 EEPOT_INC* C537 Active Low Yes
J14 EXT_SPKR_SEL Q505, pin 5 Yes
C14 AUDIO_PA_EN R575 Yes
B14 HOST_WAKE No
F6 BATTERY_ID C556 Yes
E5 MECH_SW_BAR Q508, pin 3 Active Low Yes
J6 INT_PTT R216 Active Low Yes
J5 GCAP_INT R538 Yes
J4 OPT_SEL1_IN U201 pin 1 Yes
J3 UART_INT* No
C16 8KHZ_INT R406 8 kHz Pulse Yes
G11 OPT_SEL2_IN U202 pin 1 Yes
F1 KP_ROW0 C131 Yes
H4 KP_ROW1 C130 Yes
H6 KP_ROW2 C129 Yes
G2 KP_ROW3 C128 Yes
G11 KP_ROW4 C127 Yes
G7 KP_ROW5 C126 Yes
H7 KP_ROW6 C125 Yes
H1 SPARE1_ENC J701, pin 32 Yes
D1 KP_COL0 C134 Yes
G5 KP_COL1 C133 Yes
F3 KP_COL2 C132 Yes
G4 ENC_RESET J701, pin 30 Yes
F2 BOOT* J701, pin 15 Yes
Table 7-6. U403 SRAM Pinouts (Continued)
U403
Pin No.
Description To/From Comment
Accessible
on Vocon?
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