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參數(shù)資料
| 型號： | TSC2302IRGZRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQCC48 |
| 封裝： | GREEN, PLASTIC, VQFN-48 |
| 文件頁數(shù)： | 26/85頁 |
| 文件大?。?/td> | 1483K |
| 代理商： | TSC2302IRGZRG4 |
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TSC2302
SLAS394 – JULY 2003
TSC2302 DATA REGISTERS
The data registers of the TSC2302 hold data results from conversions or keypad scans, or the value of the DAC
output current. All of these registers default to 0000H upon reset, except the DAC register, which is set to 0080H,
representing the midscale output of the DAC.
X, Y, Z1, Z2, BAT1, BAT2, AUX1, AUX2, TEMP1, and TEMP2 REGISTERS
The results of all A/D conversions are placed in the appropriate data register, as described in Table 4 and
Table 2. The data format of the result word, R, of these registers is right-justified, as follows (assuming a 12-bit
conversion):
BIT 15
BIT 14
BIT
BIT 10
BIT 9
BIT 8
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
MSB
13
12
11
LSB
0
R11
R10
R9
R8
R7
R6
R5
R4
R3
R2
R1
R0
MSB
LSB
DAC Data Register (Page 0, Address 0BH)
The data to be written to the DAC is written into the DAC data register, which is formatted as follows:
BIT 15
BIT 14
BIT 13
BIT 12
BIT 11
BIT 10
BIT 9
BIT 8
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
MSB
LSB
RES
D7
D6
D5
D4
D3
D2
D1
D0
There are three different touch screen conversion modes available in the TSC2302: self-controlled or
PENIRQ-Initiated, host-initiated, and host-controlled. These three modes are described below.
32
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