參數(shù)資料
型號: MC9328MX21SCVM
廠商: Freescale Semiconductor
文件頁數(shù): 40/88頁
文件大小: 0K
描述: IC MPU I.MX21S 289-MAPBGA
標準包裝: 90
系列: i.MX21
核心處理器: ARM9
芯體尺寸: 32-位
速度: 266MHz
連通性: 1 線,EBI/EMI,I²C,IrDA,MMC,智能卡,SPI,SSI,UART/USART,USB OTG
外圍設(shè)備: DMA,I²S,LCD,POR,PWM,WDT
輸入/輸出數(shù): 192
程序存儲器類型: ROMless
電壓 - 電源 (Vcc/Vdd): 1.45 V ~ 3.3 V
振蕩器型: 外部
工作溫度: -40°C ~ 85°C
封裝/外殼: 289-LFBGA
包裝: 托盤
Specifications
MC9328MX21S Technical Data, Rev. 1.3
Freescale Semiconductor
45
Synchronous Internal Clock Operation (SAP Ports)
31
SRXD setup before (Tx) CK falling
23.00
21.41
ns
32
SRXD hold after (Tx) CK falling
0
0
ns
Synchronous External Clock Operation (SAP Ports)
33
SRXD setup before (Tx) CK falling
1.20
0.88
ns
34
SRXD hold after (Tx) CK falling
0
0
ns
1. All the timings for the SSI are given for a non-inverted serial clock polarity (TSCKP/RSCKP = 0) and a non-inverted frame sync
(TFSI/RFSI = 0). If the polarity of the clock and/or the frame sync have been inverted, all the timing remains valid by inverting
the clock signal STCK/SRCK and/or the frame sync STFS/SRFS shown in the tables and in the figures.
Table 30. SSI to SSI1 Ports Timing Parameters
Ref
No.
Parameter
1.8 V
± 0.1 V
3.0 V
± 0.3 V
Unit
Minimum
Maximum
Minimum
Maximum
Internal Clock Operation1 (SSI1 Ports)
1
(Tx/Rx) CK clock period1
90.91
90.91
ns
2
(Tx) CK high to FS (bl) high
-0.68
-0.15
-0.68
-0.15
ns
3
(Rx) CK high to FS (bl) high
-0.96
-0.27
-0.96
-0.27
ns
4
(Tx) CK high to FS (bl) low
-0.68
-0.15
-0.68
-0.15
ns
5
(Rx) CK high to FS (bl) low
-0.96
-0.27
-0.96
-0.27
ns
6
(Tx) CK high to FS (wl) high
-0.68
-0.15
-0.68
-0.15
ns
7
(Rx) CK high to FS (wl) high
-0.96
-0.27
-0.96
-0.27
ns
8
(Tx) CK high to FS (wl) low
-0.68
-0.15
-0.68
-0.15
ns
9
(Rx) CK high to FS (wl) low
-0.96
-0.27
-0.96
-0.27
ns
10
(Tx) CK high to STXD valid from high impedance
-1.68
-0.36
-1.68
-0.36
ns
11a
(Tx) CK high to STXD high
-1.68
-0.36
-1.68
-0.36
ns
11b
(Tx) CK high to STXD low
-1.68
-0.36
-1.68
-0.36
ns
12
(Tx) CK high to STXD high impedance
-1.58
-0.31
-1.58
-0.31
ns
13
SRXD setup time before (Rx) CK low
20.41
20.41
ns
14
SRXD hold time after (Rx) CK low
0
0
ns
External Clock Operation (SSI1 Ports)
15
(Tx/Rx) CK clock period1
90.91
90.91
ns
16
(Tx/Rx) CK clock high period
36.36
36.36
ns
17
(Tx/Rx) CK clock low period
36.36
36.36
ns
18
(Tx) CK high to FS (bl) high
10.22
17.63
8.82
16.24
ns
19
(Rx) CK high to FS (bl) high
10.79
19.67
9.39
18.28
ns
Table 29. SSI to SAP Ports Timing Parameters (Continued)
Ref
No.
Parameter
1.8 V
± 0.1 V
3.0 V
± 0.3 V
Unit
Minimum
Maximum
Minimum
Maximum
Because
of
an
order
from
the
United
States
International
Trade
Commission,
BGA-packaged
product
lines
and
part
numbers
indicated
here
currently
are
not
available
from
Freescale
for
import
or
sale
in
the
United
States
prior
to
September
2010:
i.MX21
Product
Family
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