ADUC7122 Analog Devices, ADUC7122 Datasheet - Page 47

• 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

POWER CONTROL SYSTEM
A choice of operating modes is available on the ADuC7122.
Table 68 describes which blocks of the ADuC7122 are powered
on in the different modes and indicates the power-up time.
Table 69 gives some typical values of the total current
Table 68. Operating Modes
Mode
Active
Pause
Nap
Sleep
Stop
Table 69. Typical Current Consumption at 25°C
PC[2:0]
000
001
010
011
100
Core
On
Mode
Active
Pause
Nap
Sleep
Stop
Peripherals
On
On
CD = 0
30
22.7
3.8
0.25
0.25
CD = 1
21.2
13.3
3.8
0.25
0.25
PLL
On
On
On
XTAL/Timer2/Timer3
On
On
On
On
CD = 2
13.8
8.5
3.8
0.25
0.25
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CD = 3
11
6.1
3.8
0.25
0.25
consumption (analog and digital supply currents) in the different
modes, depending on the clock divider bits when the ADC is
turned off. Note that these values also include current consumption
of the regulator and other parts on the test board on which these
values were measured.
XIRQ
On
On
On
On
On
CD = 4
8.1
4.9
3.8
0.25
0.25
Start-Up/Power-On Time
130 ms at CD = 0
24 ns at CD = 0; 3.06 μs at CD = 7
24 ns at CD = 0; 3.06 μs at CD = 7
1.58 ms
1.7 ms
CD = 5
7.2
4.3
3.8
0.25
0.25
CD = 6
6.7
4
3.8
0.25
0.25
ADuC7122
CD = 7
6.45
3.85
3.8
0.25
0.25