ADUC7124 Analog Devices, ADUC7124 Datasheet - Page 10

• Manufacturer Part Number: ADUC7124
• Description: Precision Analog Microcontroller, 12-Bit Analog I/O, Large Memory, ARM7TDMI MCU with Enhanced IRQ Handler
• Manufacturer: Analog Devices

Specifications of ADUC7124

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Sram (bytes): 32000Bytes
• Gpio Pins: 30
• Adc # Channels: 12

ADuC7124/ADuC7126
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
SCLOCK low pulse width
SCLOCK high pulse width
Data output valid after SCLOCK edge
Data output setup before 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
SCLOCK
SCLOCK
MOSI
MISO
t
DOSU
t
DSU
MSB IN
1
1
MSB
t
DHD
t
SH
Figure 4. SPI Master Mode Timing (Phase Mode = 0)
t
DF
t
DAV
1
t
SL
Rev. B | Page 10 of 104
1
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
5
Typ
(SPIDIV + 1) × t
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