ADUC7122 Analog Devices, ADUC7122 Datasheet - Page 11

• Manufacturer Part Number: ADUC7122
• Description: Precision Analog Microcontroller, 12-Bit Analog I/O, ARM7TDMI® MCU
• Manufacturer: Analog Devices

Specifications of ADUC7122

• Mcu Core: ARM7 TDMI
• Mcu Speed (mips): 40
• Sram (bytes): 8192Bytes
• Gpio Pins: 32
• Adc # Channels: 13

Table 5. SPI Master Mode Timing (SPICPH = 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
t
MSB
DHD
t
SH
Figure 4. SPI Master Mode Timing (SPICPH = 0)
t
DF
t
DAV
t
SL
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1
t
DR
BITS 6 TO 1
BITS 6 TO 1
Min
1 × t
2 × t
UCLK
UCLK
LSB IN
t
SR
Typ
(SPIDIV + 1) × t
(SPIDIV + 1) × t
5
5
5
5
LSB
t
SF
UCLK
UCLK
Max
25
75
12.5
12.5
12.5
12.5
ADuC7122
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns