ADUC7023 Analog Devices, ADUC7023 Datasheet - Page 12

• Manufacturer Part Number: ADUC7023
• Description: Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI MCU
• Manufacturer: Analog Devices

Specifications of ADUC7023

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Sram (bytes): 8192Bytes
• Gpio Pins: 20
• Adc # Channels: 12
• Other: PWM

ADuC7023
Table 7. SPI Slave Mode Timing (Phase Mode = 0)
Parameter
t
t
t
t
t
t
t
t
t
t
t
t
1
SS
SL
SH
DAV
DSU
DHD
DF
DR
SR
SF
DOCS
SFS
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
SS to SCLK edge
SCLK low pulse width
SCLK high pulse width
Data output valid after 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
Data output valid after SS edge
SS high after SCLK edge
SCLK
SCLK
MOSI
MISO
SS
t
DOCS
t
SS
t
DSU
1
1
MSB IN
MSB
t
DHD
t
SH
Figure 6. SPI Slave Mode Timing (Phase Mode = 0)
t
DF
t
1
DAV
1
t
SL
Rev. B | Page 12 of 96
t
BIT 6 TO BIT 1
DR
BIT 6 TO BIT 1
Min
200
1 × t
2 × t
0
UCLK
UCLK
LSB IN
t
SR
LSB
Typ
(SPIDIV + 1) × t
(SPIDIV + 1) × t
5
5
5
5
t
SF
t
SFS
UCLK
UCLK
Max
25
12.5
12.5
12.5
12.5
25
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns