MB-808 Revision 3 Shift Register Pins

Digital Inputs

PIN	1	2	3	4	5
A 0	-	RWD	STEP 9	STEP 1	B
B 1	-	STOP	STEP 10	STEP 2	D
C 2	-	PATTERN	STEP 11	STEP 3	AUX
D 3	PLAY	EDIT	STEP 12	STEP 4	ALT
E 4	(TEMPO)	SONG	STEP 13	STEP 5	SHIFT
F 5	(TEMPO)	MUTE	STEP 14	STEP 6	GATE
G 6	-	FWD	STEP 15	STEP 7	C
H 7	-	LIVE	STEP 16	STEP 8	A

Digital Outputs

PIN	1	2	3	4	5	6	7
QA 7	ACCENT1	OH trigger	STEP 16	-	OPT1 trigger	STEP 8	-
QB 6	ACCENT2	CH trigger	STEP 15	EDIT	-	STEP 7	RECORD
QC 5	STOP	CY trigger	STEP 14	SONG	CP trigger	STEP 6	D
QD 4	FWD	CB trigger	STEP 13	PATTERN	HT trigger	STEP 5	C
QE 3	RWD	RS trigger	STEP 12	MUTE	MT trigger	STEP 4	B
QF 2	LIVE	MA trigger	STEP 11	AUX	LT trigger	STEP 3	A
QG 1	PLAY	OPT3 trigger	STEP 10	GATE	SD trigger	STEP 2	ALT
QH 0	BEAT LED	OPT2 trigger	STEP 9	-	BD trigger	STEP 1	SHIFT

NOTES: "-" denotes not used. Items in parentheses are encoders and need two shift register pins.