參數(shù)資料
型號(hào)： TSC2300IPAGR
廠商： Texas Instruments, Inc.
元件分類： Codec
英文描述： PROGRAMMABLE TOUCH SCREEN CONTROLLER WITH AUDIO CODEC
中文描述： 可編程觸摸屏控制器與音頻編解碼器
文件頁(yè)數(shù)： 22/81頁(yè)
文件大?。?/td> 1094K
代理商： TSC2300IPAGR
www.ti.com
TSC2300
SLAS372 — NOVEMBER 2002
Page Addressing (continued)
PG3
PG2
PG1
PG0
PAGE ADDRESSED
1
1
0
0
reserved
1
1
0
1
reserved
1
1
1
0
reserved
1
1
1
1
reserved
To read all the first page of memory, for example, the host processor must send the TSC2300 the command 0x8000 -
this specifies a read operation beginning at page 0, address 0. The processor can then start clocking data out of the
TSC2300. The TSC2300 automatically increments its address pointer to the end of the page; if the host processor
continues clocking data out past the end of a page, the TSC2300 simply sends back the value 0xFFFF.
Continuous writing is generally not recommended for the control registers, but for the coefficients of BBCF registers,
continuous writing works. Writing to these registers consists of the processor writing the command 0x10E0, which
specifies a write operation, with PG1 set to 1, and the ADDR bits set to 07h. This results in the address pointer
pointing at the location of the first bass-boost coefficient in memory see Table 4(Page 2). See the section on the
TSC2300 memory map for details of register locations
Table 3. TSC2300 Command Word
BIT
15
MSB
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
LSB
R/W*
PG3
PG2
PG1
PG0
ADDR5
ADDR4
ADDR3
ADDR2
ADDR1
ADDR0
X
X
X
X
X
Figure 50 shows an example of a complete data transaction between the host processor and the TSC2300.
Figure 50. Write and Read Operation of TSC2300 Interface.
22
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