Motorola SSETM 5000 service manual Vpp, Enoe, CS1, CS2

10-6Troubleshooting Tables: List of Board and IC Signals

Table 10-5. U402 FLASH Pinouts (Continued)

U402	Description	To/From	Comment	Accessible
Pin No.				on Vocon?
F3	DATA 13			No
D5	DATA 12			No
F4	DATA 11			No
F5	DATA 10			No
F6	DATA 9			No
G7	DATA 8			No
G1	DATA 7	R435**		Yes
E3	DATA 6	R434**		Yes
G3	DATA 5	R433**		Yes
E4	DATA 4	R432**		Yes
G5	DATA 3	R431**		Yes
E5	DATA 2	R430**		Yes
E6	DATA 1	R429**		Yes
F7	DATA 0	R428**		Yes
A5	VPP	D402, pin 3	1.875 V	Yes
G6	VSW2	C409*	1.875 V	Yes
E1	VSW2	C409*	1.875 V	Yes
G4	VSW2	C409*	1.875 V	Yes
A4	VSW2	C409*	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 10-6. U403 SRAM Pinouts

U403	Description	To/From	Comment	Accessible
Pin No.				on Vocon?
A2	EN_OE			No
G5	R_W	R_W	W = 0 V	Yes
A1	LB			No
B2	UB			No
B5	CS1	CS2 (TP)	Active Low	Yes
A6	CS2	C411*	Active Low	Yes

November 11, 2004 6881094C12-A