參數(shù)資料
型號(hào): DSP56857E
廠商: 飛思卡爾半導(dǎo)體(中國(guó))有限公司
英文描述: 16-bit Digital Signal Controllers
中文描述: 16位數(shù)字信號(hào)控制器
文件頁(yè)數(shù): 41/53頁(yè)
文件大小: 680K
代理商: DSP56857E
Serial Communication Interface (SCI) Timing
56857 Technical Data, Rev. 6
Freescale Semiconductor
41
Figure 4-27 Slave Mode Clock Timing
4.11 Serial Communication Interface (SCI) Timing
Table 4-13 SCI Timing
4
Operating Conditions: V
SS
= V
SSIO
= V
SSA
= 0 V, V
DD
= 1.62-1.98V, V
DDIO
= V
DDA
=
3.0–3.6V, T
A
= –40
°
to +120
°
C, C
L
50pF, f
op
= 120MHz
Characteristic
Symbol
Min
Max
Unit
Baud Rate
1
1.
f
MAX
is the frequency of operation of the system clock in MHz.
The RXD pin in SCI0 is named RXD0 and the RXD pin in SCI1 is named RXD1.
BR
(f
MAX
)/(32)
Mbps
RXD
2
Pulse Width
2.
RXD
PW
0.965/BR
1.04/BR
ns
TXD
3
Pulse Width
3.
The TXD pin in SCI0 is named TXD0 and the TXD pin in SCI1 is named TXD1.
4.
Parameters listed are guaranteed by design.
TXD
PW
0.965/BR
1.04/BR
ns
t
THS
t
TSS
t
HS
t
SS
t
RFSWLS
t
RFSWHS
t
RFBLS
t
RFSBHS
t
TXHIS
t
TXNVS
t
FTXVS
t
TXVS
t
TXES
t
FTXES
t
TFSWLS
t
TFSWHS
t
TFSBLS
t
TFSBHS
t
SCKL
t
SCKW
t
SCKH
First Bit
Last Bit
SCK input
SC2 (bl) input
SC2 (wl) input
STD
SC0 input
SC1 (bl) input
SC1 (wl) input
SRD
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