參數(shù)資料
型號： 935262385557
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： 16-BIT, 30 MHz, MICROCONTROLLER, PQFP80
封裝： 12 X 12 X 1.40 MM, PLASTIC, LQFP-80
文件頁數(shù)： 7/55頁
文件大?。?/td> 318K
代理商： 935262385557
Philips Semiconductors
Preliminary specification
XA-S3
XA 16-bit microcontroller
32K/1K OTP/ROM/ROMless, 8-channel 8-bit A/D, low voltage (2.7 V–5.5 V),
I2C, 2 UARTs, 16 MB address range
2000 Mar 09
15
ADCS0
LSB
MSB
BIT
SYMBOL
FUNCTION
ADCS.7
ADCS7
A/D channel 7 select bit.
ADCS.6
ADCS6
A/D channel 6 select bit.
ADCS.5
ADCS5
A/D channel 5 select bit.
ADCS.4
ADCS4
A/D channel 4 select bit.
ADCS.3
ADCS3
A/D channel 3 select bit.
ADCS.2
ADCS2
A/D channel 2 select bit.
ADCS.1
ADCS1
A/D channel 1 select bit.
ADCS.0
ADCS0
A/D channel 0 select bit.
ADCS1
ADCS2
ADCS3
ADCS4
ADCS5
ADCS6
ADCS7
ADCS
Address:43Fh
Bit Addressable
Reset Value: 00h
SU00939
Figure 2. A/D Channel Select Register (ADCS)
LSB
MSB
BIT
SYMBOL
FUNCTION
ADCFG.7
—
Reserved for future use. Should not be set to 1 by user programs.
ADCFG.6
—
Reserved for future use. Should not be set to 1 by user programs.
ADCFG.5
—
Reserved for future use. Should not be set to 1 by user programs.
ADCFG.4
—
Reserved for future use. Should not be set to 1 by user programs.
ADCFG.3–0
ADCFG
A/D timing configuration (see text and table).
A/D Timing Configuration
—
ADCFG
Address:4B9h
Not bit Addressable
Reset Value: 00h
SU00940
Figure 3. A/D Timing Configuration Register (ADCFG)
Table 2. A/D Timing Configuration
ADCFG 3 0
Max. Oscillator
Conversion Time
Sampling Time
ADCFG.3–0
Frequency (MHz)
Osc. Clocks
sec at max. Osc.
pg
(Osc. Clocks)
0h (0000)
6.66
72
10.81
4
1h (0001)
10
76
7.6
6
2h (0010)
11.11
80
7.2
8
3h (0011)
13.33
96
7.2
8
4h (0100)
16.66
100
6.0
10
5h (0101)
20
104
5.2
12
6h (0110)1
20
116
5.8
24
7h (0111)
22.2
108
4.86
14
8h (1000)
23.3
124
5.32
14
9h (1001)
26.6
128
4.81
16
Ah (1010)
30
132
4.4
18
Bh (1011)1
30
146
4.87
32
Ch (1100)
–
136
4.25
20
Dh (1101)
–
152
4.56
20
Eh (1110)
–
172
4.7
22
Fh (1111)
–
176
4.4
24
NOTE:
1. These settings provide additional A/D input sampling time, in order to allow accurate readings with a higher external source impedance.
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