Sonic Alert msm85c154hvs Bit designation table, Addressing combination table, 2AH 2BH, 2EH

MSM80C154S/83C154S/85C154HVS

Table 4-4	Bit designation table
Bit name	b2	b1	b0
Bit 0	0	0	0
Bit 1	0	0	1
Bit 2	0	1	0
Bit 3	0	1	1
Bit 4	1	0	0
Bit 5	1	0	1
Bit 6	1	1	0
Bit 7	1	1	1

Table 4-5 Addressing combination table

	b7	b6	b5	b4	b3	RAM address
0	0	0	0	0	0	20H	32
1	0	0	0	0	1	21H	33
2	0	0	0	1	0	22H	34
3	0	0	0	1	1	23H	35
4	0	0	1	0	0	24H	36
5	0	0	1	0	1	25H	37
6	0	0	1	1	0	26H	38
7	0	0	1	1	1	27H	39
8	0	1	0	0	0	28H	40
9	0	1	0	0	1	29H	41
A	0	1	0	1	0	2AH	42
B	0	1	0	1	1	2BH	43
C	0	1	1	0	0	2CH	44
D	0	1	1	0	1	2DH	45
E	0	1	1	1	0	2EH	46
F	0	1	1	1	1	2FH	47

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