參數(shù)資料
型號: QADCRM
英文描述: Queued Analog-to-Digital Converter Reference Manual
中文描述: 排隊(duì)模擬到數(shù)字轉(zhuǎn)換器參考手冊
文件頁數(shù): 108/122頁
文件大?。?/td> 940K
代理商: QADCRM
MOTOROLA
B-8
REGISTER SUMMARY
QADC
REFERENCE MANUAL
TOR2 — Queue 2 Trigger Overrun
0 = No unexpected queue 2 trigger events have occurred.
1 = At least one unexpected queue 2 trigger event has occurred.
QS[9:6] — Queue Status
Table B-6
shows the bits in the QS field and how they affect the status of queue 1 and
queue 2.
CWP — Command Word Pointer
The CWP allows the software to know which CCW is executing at present, or was last
completed. The command word pointer is a software read-only field, and write opera-
tions have no effect.
B.2.8 Conversion Command Word Table
P — Pause
0 = Do not enter the pause state after execution of the current CCW.
1 = Enter the pause state after execution of the current CCW.
BYP — Sample Amplifier Bypass
0 = Amplifier bypass mode disabled.
1 = Amplifier bypass mode enabled.
Table B-6 Queue Status
QS[9:6]
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
Queue 1/Queue 2 States
Queue 1 idle, Queue 2 idle
Queue 1 idle, Queue 2 paused
Queue 1 idle, Queue 2 active
Queue 1 idle, Queue 2 trigger pending
Queue 1 paused, Queue 2 idle
Queue 1 paused, Queue 2 paused
Queue 1 paused, Queue 2 active
Queue 1 paused, Queue 2 trigger pending
Queue 1 active, Queue 2 idle
Queue 1 active, Queue 2 paused
Queue 1 active, Queue 2 suspended
Queue 1 active, Queue 2 trigger pending
Reserved
Reserved
Reserved
Reserved
CCW —
Conversion Command Word Table
$####30–$####7E
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
NOT USED
P
BYP
IST
CHAN
RESET:
U
U
U
U
U
U
U
U
U
U
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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