ADUC7023 Analog Devices, ADUC7023 Datasheet - Page 10
ADUC7023
Manufacturer Part Number
ADUC7023
Description
Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU
Manufacturer
Analog Devices
Datasheet
1.ADUC7023.pdf
(96 pages)
Specifications of ADUC7023
Mcu Core
ARM7 TDMI
Mcu Speed (mips)
40
Sram (bytes)
8192Bytes
Gpio Pins
20
Adc # Channels
12
Other
PWM
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ADuC7023
Table 5. SPI Master Mode Timing (Phase Mode = 0)
Parameter
t
t
t
t
t
t
t
t
t
t
1
SL
SH
DAV
DOSU
DSU
DHD
DF
DR
SR
SF
t
UCLK
= 23.9 ns. It corresponds to the 41.78 MHz internal clock from the PLL before the clock divider.
(POLARITY = 0)
(POLARITY = 1)
Description
SCLK low pulse width
SCLK high pulse width
Data output valid after SCLK edge
Data output setup before SCLK edge
Data input setup time before SCLK edge
Data input hold time after SCLK edge
Data output fall time
Data output rise time
SCLK rise time
SCLK fall time
SCLK
SCLK
MOSI
MISO
t
DOSU
t
DSU
1
MSB IN
1
t
MSB
DHD
t
SH
Figure 4. SPI Master Mode Timing (Phase Mode = 0)
t
DF
t
DAV
1
1
t
SL
Rev. B | Page 10 of 96
t
DR
BIT 6 TO BIT 1
BIT 6 TO BIT 1
Min
1 × t
2 × t
UCLK
UCLK
LSB IN
t
SR
(SPIDIV + 1) × t
Typ
(SPIDIV + 1) × t
5
5
5
5
LSB
t
SF
UCLK
UCLK
Max
25
75
12.5
12.5
12.5
12.5
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns