参数资料
型号: TSC2300IPAGRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封装: GREEN, PLASTIC, TQFP-64
文件页数: 51/83页
文件大小: 1268K
代理商: TSC2300IPAGRG4
www.ti.com
Port Scan
Start Clock
Turn off clock
Convert Battery Input
1
Store Battery Input 1
in BAT1 Register
Set /DAV = 0
Power up ADC
Power Down
Reference
Is Data
Avereraging
Done
N
Y
Power Down ADC
DONE
Host Writes A/D
Converter Control
Register
Power Up Reference
(Including Delay)
Convert Battery Input
2
Store Battery Input 2
in BAT2 Register
Is Data
Avereraging
Done
N
Y
Convert Auxiliary
Input 1
Store Auxiliary Input
in AUX1 Register
Is Data
Avereraging
Done
N
Y
Convert Auxiliary
Input 2
Store Auxiliary Input
2 in AUX2 Register
Is Data
Avereraging
Done
N
Y
TSC2300
SLAS372 — NOVEMBER 2002
Figure 69. Port Scan Mode.
OPERATION-D/ACONVERTER
The TSC2300 has an onboard 8-bit D/A converter, configured as shown in Figure 70. This configuration yields a
current sink (AOUT) controlled by the value of a resistor connected between the ARNG pin and ground. The D/A
converter has a control register, which controls whether or not the converter is powered up. The eight-bit data is written
to the D/A converter through the D/A converter data register.
55
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