参数资料
型号: EVAL-ADUC7023QSPZ
厂商: Analog Devices Inc
文件页数: 26/96页
文件大小: 0K
描述: KIT DEV FOR ADUC7023 QUICK START
标准包装: 1
类型: MCU
适用于相关产品: ARM7TDMI
所含物品:
ADuC7023
Data Sheet
| Page 32 of 96
ADCCN Register
Name:
ADCCN
Address:
0xFFFF0508
Default value:
0x01
Access:
Read/write
Function:
ADCCN is an ADC negative channel
selection register. This MMR is described in
Table 26. ADCCN MMR Bit Designation
Bit
Value
Description
7 to 5
Reserved.
4 to 0
Negative channel selection bits.
00000
ADC0.
00001
ADC1.
00010
ADC2.
00011
ADC3.
00100
ADC4.
00101
ADC5.
00110
ADC6.
00111
ADC7.
01000
ADC8.
01001
ADC9.
01010
ADC10.
01011
Reserved
01100
ADC12.
01101
Reserved
01110
Reserved
01111
DAC1.
10000
Temperature sensor.
10001
AGND (self-diagnostic feature).
10010
Internal reference (self-diagnostic feature).
10011
Reserved
Others
Reserved.
ADCSTA Register
Name:
ADCSTA
Address:
0xFFFF050C
Default Value:
0x00
Access:
Read
Function:
ADCSTA is an ADC status register that
indicates when an ADC conversion result is
ready. The ADCSTA register contains only
one bit, ADCReady (Bit 0), representing
the status of the ADC. This bit is set at the
end of an ADC conversion, generating an
ADC interrupt. It is cleared automatically
by reading the ADCDAT MMR. When the
ADC is performing a conversion, the status
of the ADC can be read externally via the
ADCBUSY pin. This pin is high during a
conversion. When the conversion is
finished, ADCBUSY goes back low. This
information can be available on P0.0 (see
if enabled in the ADCCON register.
ADCDAT Register
Name:
ADCDAT
Address:
0xFFFF0510
Default value:
0x00000000
Access:
Read
Function:
ADCDAT is an ADC data result register.
Hold the 12-bit ADC result as shown in
ADCRST Register
Name:
ADCRST
Address:
0xFFFF0514
Default Value:
0x00
Access:
Read/write
Function:
ADCRST resets the digital interface of the
ADC. Writing any value to this register
resets all the ADC registers to their
default value.
Rev. E
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