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ADE7569 数据表(PDF) 13 Page - Analog Devices

部件名 ADE7569
功能描述  Single-Phase Energy Measurement IC with 8052 MCU, RTC and LCD driver
PDF  148 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADE7569 数据表(HTML) 13 Page - Analog Devices

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Preliminary Technical Data
ADE75xx/ADE71xx
Rev. PrE | Page 13 of 148
Table 4. SPI MASTER MODE TIMING (CPHA = 1) Parameter
Min
Typ
Max
Unit
tSL
SCLOCK Low Pulse Width1
977
ns
tSH
SCLOCK High Pulse Width1
977
ns
tDAV
Data Output Valid after SCLOCK Edge
TBD
ns
tDSU
Data Input Setup Time before SCLOCK Edge
TBD
ns
tDHD
Data Input Hold Time after SCLOCK Edge
TBD
ns
tDF
Data Output Fall Time
10
25
ns
tDR
Data Output Rise Time
10
25
ns
tSR
SCLOCK Rise Time
10
25
ns
tSF
SCLOCK Fall Time
10
25
ns
____________________________________________
1 Characterized under the following conditions:
a. Core clock divider bits CD2, CD1, and CD0 in POWCON SFR set to 0, 0, and 0, respectively, that is, core clock frequency = 4.096/8 MHz.
b. SPI bit-rate selection bits SPIR1 and SPR0 in SPI2CMOD SFR set to 0 and 0, respectively.
SCLOCK
(CPOL = 0)
t
DSU
SCLOCK
(CPOL = 1)
MOSI
MISO
MSB
LSB
LSB IN
BITS 6–1
BITS 6–1
t
DHD
t
DR
t
DAV
t
DF
t
SH
t
SL
t
SR
t
SF
MSB IN
Figure 4. SPI Master Mode Timing (CPHA = 1)



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