参数资料
型号: TMDXEVM5515
厂商: Texas Instruments
文件页数: 120/159页
文件大小: 0K
描述: EVAL MODULE DSP FOR C55XX
标准包装: 1
类型: DSP
适用于相关产品: TMS320C55x 系列
所含物品: 板,线缆,CD,电源
产品目录页面: 718 (CN2011-ZH PDF)
其它名称: 296-25753
SPRS645F – AUGUST 2010 – REVISED OCTOBER 2013
5.14.2 I2S Electrical Data/Timing
Table 5-36. Timing Requirements for I2S [I/O = 3.3 V, 2.75 V, and 2.5 V] (1) (see Figure 5-30 )
MASTER
SLAVE
NO.
CV DD = 1.05 V
CV DD = 1.3 V
CV DD = 1.05 V
CV DD = 1.3 V
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
1
t c(CLK)
Cycle time, I2S_CLK
40 or
2P (1) (2)
40 or
2P (1) (2)
40 or 2P
(1) (2)
40 or 2P
(1) (2)
ns
2
3
7
8
9
10
t w(CLKH)
t w(CLKL)
t su(RXV-CLKH)
t su(RXV-CLKL)
t h(CLKH-RXV)
t h(CLKL-RXV)
t su(FSV-CLKH)
t su(FSV-CLKL)
t h(CLKH-FSV)
t h(CLKL-FSV)
Pulse duration, I2S_CLK high
Pulse duration, I2S_CLK low
Setup time, I2S_RX valid before I2S CLK high
(CLKPOL = 0)
Setup time, I2S_RX valid before I2S_CLK low
(CLKPOL = 1)
Hold time, I2S_RX valid after I2S_CLK high
(CLKPOL = 0)
Hold time, I2S_RX valid after I2S_CLK low
(CLKPOL = 1)
Setup time, I2S_FS valid before I2S_CLK high
(CLKPOL = 0)
Setup time, I2S_FS valid before I2S_CLK low
(CLKPOL = 1)
Hold time, I2S_FS valid after I2S_CLK high
(CLKPOL = 0)
Hold time, I2S_FS valid after I2S_CLK low
(CLKPOL = 1)
20
20
5
5
3
3
20
20
5
5
3
3
20
20
5
5
3
3
15
15
t w(CLKH) + 0.6 (3)
t w(CLKL) + 0.6 (3)
20
20
5
5
3
3
15
15
t w(CLKH) + 0.6 (3)
t w(CLKL) + 0.6 (3)
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(1)
(2)
(3)
P = SYSCLK period in ns. For example, when the CPU core is clocked at 100 MHz, use P = 10 ns.
Use whichever value is greater.
In Slave Mode, I2S_FS is required to be latched on both edges of I2S input clock (I2S_CLK).
120
Peripheral Information and Electrical Specifications
Product Folder Links: TMS320C5515
Copyright ? 2010–2013, Texas Instruments Incorporated
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