參數(shù)資料
型號: MCM16Y1BACFT16
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, MROM, MICROCONTROLLER, PQFP160
封裝: QFP-160
文件頁數(shù): 135/138頁
文件大?。?/td> 784K
代理商: MCM16Y1BACFT16
MOTOROLA
MC68HC16Y1
96
MC68HC16Y1TS/D
ADCTL1 is used to initiate A/D conversion. It is also used to select conversion modes and conversion
channel. It can be written or read at any time. A write to ADCTL1 initiates a conversion sequence — if
a conversion sequence is already in progress, a write to ADCTL1 will abort it and reset the SCF and
CCF flags in the A/D status register.
SCAN — Scan Mode Selection Bit
0 = Single conversion sequence
1 = Continuous conversion
Length of conversion sequence(s) is determined by S8CM.
MULT — Multichannel Conversion Bit
0 = Conversion sequence(s) run on single channel (channel selected via [CD:CA])
1 = Sequential conversion of a block of four or eight channels (block selected via [CD:CA])
Length of conversion sequence(s) is determined by S8CM.
S8CM — Select Eight-Conversion Sequence Mode
0 = Four-conversion sequence
1 = Eight-conversion sequence
This bit determines the number of conversions in a conversion sequence.
[CD:CA] — Channel Selection Field
The bits in this field are used to select an input or block of inputs for A/D conversion.
ADCTL1 — A/D Control Register 1
$YFF70C
15
7
6
5
4
3
2
1
0
NOT USED
SCAN
MULT
S8CM
CD
CC
CB
CA
RESET:
0
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