Motorola SSETM 5000 service manual Oeen, EB1N, Ebon, Wait

10-16Troubleshooting Tables: List of Board and IC Signals

Table 10-7. U401 MCU/DSP IC Pinouts (Continued)

U401	Description	To/From	Comment	Accessible
Pin No.				on Vocon?
N4	DATA 13			No
P4	DATA 12			No
R4	DATA 11			No
J8	DATA 10			No
T4	DATA 9			No
N5	DATA 8			No
P5	DATA 7	R435**		Yes
R5	DATA 6	R434**		Yes
T5	DATA 5	R433**		Yes
R6	DATA 4	R432**		Yes
T6	DATA 3	R431**		Yes
M7	DATA 2	R430**		Yes
N7	DATA 1	R429**		Yes
P7	DATA 0	R428**		Yes
N11	R_W	R_W		Yes
T11	NOT USED			No
R14	NOT USED			No
N12	CS3*	R106**	Active Low	Yes
T14	CS2	CS2	Active Low	Yes
R11	NOT USED			No
R15	CS0	CS0	Active Low	Yes
P16	OE_EN			No
M13	EB1_N			No
R13	EBO_N			No
N14	NOT USED			No
T16	WAIT	WAIT**		Yes
P14	NOT USED			No
N13	ADV	ADV**		Yes
T15	B_CLK	B_CLK**		Yes

*Component located under a shield on the VOCON board

**No test point/component on the VOCON board – signal not accessible

November 11, 2004 6881094C12-A