Programming Model
http://www.motorola.com/computer/literature 3-39
3
Vendor/Device RegisterVENDID This read-only register contains the value $1057. It is the vendor number assigned to Motorola Inc.DEVID This read-only register contains the value $4803. It is the device number for the Hawk.Revision ID/General Control Registertben en tben_en controls the enable for the p1_tben and p0_tben output signals. When tben_en is set, the I2clm_ input pin becomes the p1_tben output pin and the ercs_output pin becomes the p0_tben output pin. Also, the SMC does not respond to accesses that fall within the external register set address range except for the address $FEF88300. When tben_en is cleared, the I2clm_ and ercs_ pins retain their normal function and the SMC does respond to external register set accesses.Address $FEF80000
Bit
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Name
VENDID DEVID
Operation READ ONLY READ ONLY
Reset $1057 $4803
Address $FEF80008
Bit
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
Name
0
0
0
0
0
0
0
tben_en
REVID
0
0
0
0
0
0
aonly_en
isa_hole
0
0
0
0
pu_stat0
pu_stat1
pu_stat2
pu_stat3
Operation
R
R
R
R
R
R
R
R/W
READ ONLY
R
R
R
R
R
R
R
R/W
R
R
R
R
R
R
R
R
Reset
X
X
X
X
X
X
X
0 P
$01
X
X
X
X
X
X
V P
0 PL
X
X
X
X
V P
V P
V P
V P