参数资料
型号: USB-EA-CONVZ
厂商: Analog Devices Inc
文件页数: 7/68页
文件大小: 0K
描述: SUPPORT BOARD ADUC8XX
标准包装: 1
类型: 仿真器
适用于相关产品: ADuC8xx
所含物品: 模块
REV. B
–15–
ADuC824
Parameter
Min
Typ
Max
Unit
Figure
SPI MASTER MODE TIMING (CPHA = 0)
tSL
SCLOCK Low Pulsewidth
*
630
ns
9
tSH
SCLOCK High Pulsewidth
*
630
ns
9
tDAV
Data Output Valid after SCLOCK Edge
50
ns
9
tDOSU
Data Output Setup before SCLOCK Edge
150
ns
9
tDSU
Data Input Setup Time before SCLOCK Edge
100
ns
9
tDHD
Data Input Hold Time after SCLOCK Edge
100
ns
9
tDF
Data Output Fall Time
10
25
ns
9
tDR
Data Output Rise Time
10
25
ns
9
tSR
SCLOCK Rise Time
10
25
ns
9
tSF
SCLOCK Fall Time
10
25
ns
9
*Characterized under the following conditions:
a. Core clock divider bits CD2, CD1, and CD0 bits in PLLCON SFR set to 0, 1, and 1 respectively, i.e., core clock frequency = 1.57 MHz and
b. SPI bit-rate selection bits SPR1 and SPR0 bits in SPICON SFR set to 0 and 0 respectively.
SCLOCK
(CPOL = 0)
t
DSU
SCLOCK
(CPOL = 1)
MOSI
MISO
MSB
LSB
LSB IN
BITS 6–1
MSB IN
t
DHD
t
DR
t
DAV
t
DF
t
DOSU
t
SH
t
SL
t
SR
t
SF
Figure 9. SPI Master Mode Timing (CPHA = 0)
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