參數(shù)資料
型號: MCIMX31
廠商: 飛思卡爾半導(dǎo)體(中國)有限公司
英文描述: Multimedia Applications Processors
中文描述: 多媒體應(yīng)用處理器
文件頁數(shù): 80/170頁
文件大?。?/td> 1562K
代理商: MCIMX31
i.MX31/i.MX31L Advance Information, Rev. 1.4
80
Freescale Semiconductor
Preliminary
Electrical Characteristics
4.3.6
AUDMUX Electrical Specifications
The AUDMUX provides a programmable interconnect logic for voice, audio and data routing between
internal serial interfaces (SSI) and external serial interfaces (audio and voice codecs). The AC timing of
AUDMUX external pins is hence governed by the SSI module. Please refer to their respective electrical
specifications.
4.3.7
CSPI Electrical Specifications
This section describes the electrical information of the CSPI.
4.3.7.1
CSPI Timing
Figure 19
and
Figure 20
depict the master mode and slave mode timings of CSPI, and
Table 29
lists the
timing parameters.
trfs1
trfs
trfs = 1.6 * T + tsui + tco + tbuf + tbuf
tdzfs
tdzfs = time_dzfs * T - (tskew1)
time_dzfs
tss
tss
tss = time_ss * T - (tskew1 + tskew2)
time_ss
tmli
tdzfs_mli
tdzfs_mli =max (time_dzfs, time_mli) * T - (tskew1 + tskew2)
tli
tli1
tli1 > 0
tli
tli2
tli2 > 0
tli
tli3
tli3 > 0
tcvh
tcvh
tcvh = (time_cvh *T) - (tskew1 + tskew2)
time_cvh
ton
toff
ton = time_on * T - tskew1
toff = time_off * T - tskew1
Table 28. UDMA Out Burst Timing Parameters (continued)
ATA
Parameter
Parameter
from
Figure 16
,
Figure 17
,
Figure 18
Value
Controlling
Variable
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