參數(shù)資料
型號: TMS320LF2407PZA
廠商: Texas Instruments, Inc.
元件分類: 數(shù)字信號處理
英文描述: DSP CONTROLLERS
中文描述: DSP控制器
文件頁數(shù): 47/115頁
文件大?。?/td> 1511K
代理商: TMS320LF2407PZA
SPRS094I APRIL 1999 REVISED SEPTEMBER 2003
47
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
serial peripheral interface (SPI) module (continued)
Figure 10 is a block diagram of the SPI in slave mode.
S
S
Clock
Polarity
SPICCR.6
Talk
Internal
Clock
4
5
6
0
1
2
SPI Bit Rate
State Control
SPIRXBUF
Buffer Register
16
Clock
Phase
SPICTL.3
1
2
3
0
Receiver
Overrun Flag
SPICTL.4
Overrun
INT ENA
SPICCR.30
SPIBRR.60
SPIRXBUF.150
SPIDAT.150
SPICTL.1
M
S
M
Master/Slave
SPI INT FLAG
SPICTL.0
SPI INT
ENA
SPISTS.7
SPIDAT
Data Register
SPISTS.6
M
S
SPICTL.2
SPI Char
External
Connections
SPISIMO
SPISOMI
SPISTE
SPICLK
SW2
S
M
M
S
SW3
To CPU
M
SW1
SPIPRI.6
SPI Priority
Level 1
INT
Level 5
INT
1
0
SPITXBUF.150
3
16
SPITXBUF
Buffer Register
NOTE A: The diagram is shown in the slave mode.
The SPISTE pin is driven low externally. Note that SW1, SW2, and SW3 are closed in this configuration. Refer to the following erratas for
restrictions on using the SPISTE pin:
TMS320LF2402 DSP Controller Silicon Errata
(literature number SPRZ157)
TMS320LF2406 DSP Controller Silicon Errata
(literature number SPRZ159)
TMS320LF2407 DSP Controller Silicon Errata
(literature number SPRZ158)
Figure 10. Four-Pin Serial Peripheral Interface Module Block Diagram
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