参数资料
型号: MSC1214Y2PAGTG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, FLASH, 40 MHz, MICROCONTROLLER, PQFP64
封装: GREEN, PLASTIC, TQFP-64
文件页数: 92/111页
文件大小: 1102K
代理商: MSC1214Y2PAGTG4
MSC1211, MSC1212
MSC1213,MSC1214
SBAS323G JUNE 2004 REVISED OCTOBER 2007
www.ti.com
81
DAC1 Control (DACCON1)
DACSEL = 04h
7
6
5
4
3
2
1
0
Reset Value
SFR B6h
COR1
EOD1
IDAC1DIS
IDAC1SINK
0
SELREF1
DOM1_1
DOM1_0
63h
COR1
Current Over Range on DAC1
bit 7
Write:
0 = Clear to release from high-impedance state back to normal mode unless an over-range condition exists.
1 = No effect.
Read:
0 = No current over range for DAC1.
0 = No effect.
1 = IDAC overcurrent for three consecutive ticks on ms clock USEC (EOD1 = 1) or Current Over Range raw
signal (EOD0 = 0).
EOD1
Enable Over-Current Detection
bit 6
0 = Disable over-current detection.
1 = Enable over-current detection (default). After three consecutive ticks on MSEC clock of overcurrent, the DAC is
disabled; however, the register values are preserved. Writing to COR1 releases the high-impedance state.
IDAC1DIS
IDAC1 Disable (for DOM1 = 00)
bit 5
0 = IDAC on mode for DAC1.
1 = IDAC off mode for DAC1 (default).
IDAC1SINK ENABLE CURRENT SINK
bit 4
0 = DAC1 is sourcing current.
1 = DAC1 is sinking current using external device.
Not Used
bit 3
SELREF1
Select the Reference Voltage for DAC1 Voltage Reference.
bit 2
0 = DAC1 VREF = AVDD (default).
1 = DAC1 VREF = voltage on VREF IN pins.
DOM1_10 DAC Output Mode DAC1.
bits 10
DOM1
OUTPUT MODE for DAC1
00
Normal VDAC output; IDAC controlled by IDAC1DIS bit.
01
Power-Down mode—VDAC output off 1k
to AGND, IDAC off.
10
Power-Down mode—VDAC output off 100k
to AGND, IDAC off.
11
Power-Down mode—VDAC output off high impedance, IDAC off (default).
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