Table 10-7. u401 mcu/dsp ic pinouts -8, U401 mcu/dsp ic pinouts – Motorola SSETM 5000 User Manual
Page 142
November 11, 2004
6881094C12-A
10-8
Troubleshooting Tables: List of Board and IC Signals
B1
DATA 8
No
G6
DATA 7
R435**
No
F6
DATA 6
R434**
No
F5
DATA 5
R433**
No
E5
DATA 4
R432**
No
D5
DATA 3
R431**
No
C6
DATA 2
R430**
No
C5
DATA 1
R429**
No
B6
DATA 0
R428**
No
D6
VSW2
C411*
1.875 V
Yes
E1
VSW2
C411*
1.875 V
Yes
* Component located under a shield on the VOCON board
** No test point/component on the VOCON board – signal not accessible
Table 10-7. U401 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
Table 10-6. U403 SRAM Pinouts (Continued)
U403
Pin No.
Description
To/From
Comment
Accessible
on Vocon?