参数资料
型号: TMS320VC5409PGE-80
厂商: Texas Instruments
文件页数: 69/93页
文件大小: 0K
描述: IC FIXED POINT DSP 144-LQFP
标准包装: 60
系列: TMS320C54x
类型: 定点
接口: 主机接口,McBSP
时钟速率: 80MHz
非易失内存: ROM(32 kB)
芯片上RAM: 64kB
电压 - 输入/输出: 3.30V
电压 - 核心: 1.80V
工作温度: -40°C ~ 100°C
安装类型: 表面贴装
封装/外壳: 144-LQFP
供应商设备封装: 144-LQFP(20x20)
包装: 托盘
配用: 296-15829-ND - DSP STARTER KIT FOR TMS320C5416
Documentation Support
71
April 1999 Revised October 2008
SPRS082F
Table 520. McBSP
Transmit and Receive Switching Characteristics
PARAMETER
MIN
MAX
UNIT
tc(BCKRX)
Cycle time, BCLKR/X
BCLKR/X int
4H
ns
tw(BCKRXH)
Pulse duration, BCLKR/X high
BCLKR/X int
D3
D+1
ns
tw(BCKRXL)
Pulse duration, BCLKR/X low
BCLKR/X int
C3
C+1
ns
td(BCKRH-BFRV)
Delay time, BCLKR high to internal BFSR valid
BCLKR int
2
ns
td(BCKXH-BFXV)
Delay time, BCLKX high to internal BFSX valid
BCLKX int
0
6
ns
td(BCKXH-BFXV)
Delay time, BCLKX high to internal BFSX valid
BCLKX ext
4
12
ns
tdis(BCKXH-BDXHZ) Disable time, BCLKX high to BDX high impedance following last data bit
BCLKX int
4
7
ns
tdis(BCKXH-BDXHZ) Disable time, BCLKX high to BDX high impedance following last data bit
BCLKX ext
3
9
ns
Delay time, BCLKX high to BDX valid. This applies to all bits except the first
BCLKX int
0
7
Delay time, BCLKX high to BDX valid. This applies to all bits except the first
bit transmitted.
BCLKX ext
4
12
td(BCKXH-BDXV)
Delay time, BCLKX high to BDX valid.§
Only applies to first bit transmitted when in Data Delay 1
DXENA = 0
BCLKX int
7
ns
Only applies to first bit transmitted when in Data Delay 1
or 2 (XDATDLY=01b or 10b) modes
DXENA = 0
BCLKX ext
12
te(BCKXH-BDX)
Enable time, BCLKX high to BDX driven.§
Only applies to first bit transmitted when in Data Delay 1
DXENA = 0
BCLKX int
4
ns
te(BCKXH-BDX)
Only applies to first bit transmitted when in Data Delay 1
or 2 (XDATDLY=01b or 10b) modes
DXENA = 0
BCLKX ext
2
ns
td(BFXH-BDXV)
Delay time, BFSX high to BDX valid.§
Only applies to first bit transmitted when in Data Delay 0
DXENA = 0
BFSX int
2
ns
td(BFXH-BDXV)
Only applies to first bit transmitted when in Data Delay 0
(XDATDLY=00b) mode.
DXENA = 0
BFSX ext
12
ns
te(BFXH-BDX)
Enable time, BFSX high to BDX driven.§
Only applies to first bit transmitted when in Data Delay 0
DXENA = 0
BFSX int
1
ns
te(BFXH-BDX)
Only applies to first bit transmitted when in Data Delay 0
(XDATDLY=00b) mode
DXENA = 0
BFSX ext
2
ns
Polarity bits CLKRP = CLKXP = FSRP = FSXP = 0. If the polarity of any of the signals is inverted, then the timing references of that signal are
also inverted.
T=BCLKRX period = (1 + CLKGDV) * 2H
C=BCLKRX low pulse width = T/2 when CLKGDV is odd or zero and = (CLKGDV/2) * 2H when CLKGDV is even
D=BCLKRX high pulse width = T/2 when CLKGDV is odd or zero and = (CLKGDV/2 + 1) * 2H when CLKGDV is even
§ See the TMS320C54x DSP Reference Set, Volume 5: Enhanced Peripherals (literature number SPRU302) for a description of the DX enable
(DXENA) and data delay features of the McBSP.
The transmit delay enable (DXENA) and A-bis mode (ABIS) features of the McBSP are not implemented on the TMS320VC5409.
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