ADUC7126 Analog Devices, ADUC7126 Datasheet - Page 12

• Manufacturer Part Number: ADUC7126
• Description: Precision Analog Microcontroller, 12-Bit Analog I/O, Large Memory, ARM7TDMI MCU with Enhanced IRQ Handler
• Manufacturer: Analog Devices

Specifications of ADUC7126

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Gpio Pins: 40
• Adc # Channels: 16
• Other: PWM

ADuC7124/ADuC7126
Table 7. SPI Slave Mode Timing (Phase Mode = 0)
Parameter
t
t
t
t
t
t
t
t
t
t
t
t
1
CS
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
CS
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 CS edge
CS
SCLOCK
SCLOCK
to SCLOCK edge
high after SCLOCK edge
MISO
MOSI
CS
t
DOCS
t
CS
t
DSU
MSB IN
t
MSB
DHD
t
SH
Figure 6. SPI Slave Mode Timing (Phase Mode = 0)
t
DF
t
DAV
1
t
1
Rev. B | Page 12 of 104
SL
t
BIT 6 TO BIT 1
BIT 6 TO BIT 1
DR
Min
200
1 × t
2 × t
0
UCLK
UCLK
LSB IN
t
Typ
(SPIDIV + 1) × t
(SPIDIV + 1) × t
5
5
5
5
SR
LSB
t
SF
HCLK
HCLK
t
SFS
Max
25
12.5
12.5
12.5
12.5
25
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns