PXD20RM Datasheet, PDF (150/1628 Pages) Freescale Semiconductor, Inc – PXD20 Microcontroller

Address: Base + 0x0004
Access: User read-only
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
R
0000000
00
0000
W
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
R
CHADDR[0:6]
0 0 0 ACK0 0 0 ADCSTATUS[0:2]
W
Reset 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1
Figure 5-3. Main Status Register (MSR)
Table 5-4. Main Status Register (MSR) field descriptions
Field
0:6
7
8
9:10
11
12:14
15
16:22
23:25
26
Description
Reserved
Write of any value has no effect, read value is always 0.
NSTART
This status bit is used to signal that a Normal conversion is ongoing.
JABORT
This status bit is used to signal that an Injected conversion has been aborted. This bit is reset when a
new injected conversion starts.
Reserved
Write of any value has no effect, read value is always 0.
JSTART
This status bit is used to signal that an Injected conversion is ongoing.
Reserved
Write of any value has no effect, read value is always 0.
Reserved
Write of any value has no effect, read value is always 0.
CHADDR[0:6]: Channel under measure address
This status bit is used to signal which channel is under measure.
Reserved
Write of any value has no effect, read value is always 0.
ACKO: Auto-clock-off enable
This status bit is used to signal if the Auto-clock-off feature is on.
PXD20 Microcontroller Reference Manual, Rev. 1
5-8
Freescale Semiconductor
Preliminary—Subject to Change Without Notice