ADUC841 Analog Devices, ADUC841 Datasheet - Page 85

• Manufacturer Part Number: ADUC841
• Description: Precision Analog Microcontroller: 20MIPS 8052 Flash MCU + 8-Ch 12-Bit ADC + Dual 12-Bit DAC
• Manufacturer: Analog Devices

Specifications of ADUC841

• Mcu Core: 8052
• Mcu Speed (mips): 20
• Sram (bytes): 2304Bytes
• Gpio Pins: 34
• Adc # Channels: 8
• Other: PWM

Parameter
SPI SLAVE MODE TIMING (CPHA = 0)
t
t
t
t
t
t
t
t
t
t
t
t
SS
SL
SH
DAV
DSU
DHD
DF
DR
SR
SF
DOSS
SFS
(CPOL = 0)
(CPOL = 1)
SS to SCLOCK Edge
SCLOCK Low Pulse Width
SCLOCK High Pulse Width
Data Output Valid after SCLOCK Edge
Data Input Setup Time before SCLOCK Edge
Data Input Hold Time after SCLOCK Edge
Data Output Fall Time
Data Output Rise Time
SCLOCK Rise Time
SCLOCK Fall Time
Data Output Valid after SS Edge
SS High after SCLOCK Edge
SCLOCK
SCLOCK
MISO
MOSI
SS
t
DOSS
t
SS
t
DSU
MSB IN
MSB
t
DHD
t
SH
t
DF
Figure 94. SPI Slave Mode Timing (CPHA = 0)
t
DAV
t
SL
t
Rev. 0 | Page 85 of 88
DR
BITS 6–1
BITS 6–1
LSB IN
t
SR
LSB
ADuC841/ADuC842/ADuC843
Min
0
100
100
t
SF
t
SFS
Typ
330
330
10
10
10
10
Max
50
25
25
25
25
20
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns