参数资料
型号: TMX320LF2403AVFS
厂商: Texas Instruments, Inc.
元件分类: 数字信号处理
英文描述: DSP CONTROLLERS
中文描述: DSP控制器
文件页数: 87/134页
文件大小: 1759K
代理商: TMX320LF2403AVFS
TMS320LF2407A,TMS320LF2406A,TMS320LF2403A,TMS320LF2402A
TMS320LC2406A,TMS320LC2404A,TMS320LC2403A,TMS320LC2402A
DSP CONTROLLERS
SPRS145K JULY 2000 REVISED AUGUST 2005
56
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
serial peripheral interface (SPI) module (continued)
Figure 15 is a block diagram of the SPI in slave mode.
S
Clock
Polarity
Talk
Internal
Clock
4
5
6
0
1
2
SPI Bit Rate
State Control
SPIRXBUF
Buffer Register
16
Clock
Phase
1
2
30
Receiver
Overrun Flag
SPICTL.4
Overrun
INT ENA
SPICCR.3 0
SPIBRR.6 0
SPICCR.6
SPICTL.3
SPIRXBUF.15 0
SPIDAT.15 0
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
S
SW3
To CPU
M
SW1
SPIPRI.6
SPI Priority
Level 1
INT
1
0
Level 5
INT
SPITXBUF.15 0
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. See the following errata for restrictions
on using the SPISTE pin:
TMS320LF2407A, TMS320LF2406A, TMS320LF2403A, TMS320LF2402A DSP Controllers Silicon Errata
(literature number SPRZ002)
TMS320LC2406A, TMS320LC2404A, TMS320LC2402A DSP Controllers Silicon Errata (literature number SPRZ185)
Figure 15. Four-Pin Serial Peripheral Interface Module Block Diagram
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