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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： | 28/83页 |
| 文件大小： | 1268K |
| 代理商： | TSC2300IPAGRG4 |
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TSC2300
SLAS372 — NOVEMBER 2002
SPI Data Available (continued)
SDAV
DESCRIPTION
0
Touch screen or SAR ADC data is available.
1
No new data available. (default)
Bits [14:0] — Reserved
These bits are reserved, and should be written to 0. If read, they will read back as 0.
Reset Register (Page 1, Address 04H):
The TSC2300 has a special register, the RESET register, which allows a software reset of the device. Writing the code
0xBB00, as shown below, to this register causes the TSC2300 to reset all its registers to their default, power-up
values.
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
1
0
1
0
1
0
Other values should not be written to this register. Reading this register or any reserved register results in reading back
all 1’s, or 0xFFFF.
TSC2300 DATA REGISTERS
The data registers of the TSC2300 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 TEMP2T1 REGISTERS
The results of all A/D conversions are placed in the appropriate data register, as described in Table 6 and Table 4. 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 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
MSB
13
12
11
10
9
8
LSB
0
R11
R10
R9
R8
R7
R6
R5
R4
R3
R2
R1
R0
MSB
LSB
Keypad Data Register (Page 0, Address 04H)
The keypad data register (Page 0, Address 04H) 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
K15
K14
K13
K12
K11
K10
K9
K8
K7
K6
K5
K4
K3
K2
K1
K0
This is the same format as used in the keypad mask register (Page 1, Address 10H). Each bit in these registers
represents one key on the keypad. A 16-key keypad is mapped into the keypad data register as shown in Table 24.
D/A Converter Data Register (Page 0, Address 0BH)
The data to be written to the D/A converter is written into the D/A converter 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
34
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