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SDA 6000
PRELIMINARY DATA SHEET
Version 2.1
System Control & Configuration
6 - 13
Micronas
6.4
Power Reduction Modes
Three power reduction modes with different levels of power reduction, which may be
entered under software control, have been implemented in M2:
Idle Mode:
The CPU is stopped, while the peripherals including watchdog timer continue
their operation at low clock frequency.
Sleep Mode:
CPU, peripherals and PLL are completely turned off. The controller ADC
operates in wake-up mode. The real-time-clock is still in operation.
Power Down Mode:
All modules are turned off.
In the table above clocking frequencies have been specified, indicating that power
reduction is achieved by means of clock-gating. None of the power supplies are
internally switched, neither may voltage be turned off at the supply pins.
M2’s power management functions are supplemented by a Real Time Clock (RTC) timer
with optional periodic wake-up from idle mode. The periodic wake-up combines the
reduced power consumption in power reduction modes with a high level of system
availability. External signals and events can be scanned (at a lower rate) by periodically
activating the CPU and selected peripherals which then return to power-save mode after
a short time. This greatly reduces the system’s average power consumption.
Entering and Terminating Idle and Sleep Mode
All three modes are entered by writing register SLEEPCON (see register definition
below) and issuing the IDLE instruction. All external bus actions are completed before
entry to Idle, Sleep or Power Down mode. Normal operation is resumed after Idle mode
upon any interrupt request. To return from Sleep mode, external, wake up- or RTC-
Mode
Normal
Idle
Sleep
Power Down
Oscillator
on
on
on
off
PLL
on
on
off
off
CPU
33 MHz
3 MHz/
stopped
no clock/
stopped
no clock/
stopped
CADC
33 MHz
1)
1)
Conversion mode
3 MHz
2)
2)
Wake up mode
3 MHz
2)
off
RTC
3 MHz
3 MHz
3 MHz
off
Peripherals
33 MHz
3 MHz
off
off
Bus Interface
100/66 MHz
3)
3)
Depending on value of CLKCON (see
Chapter 8
)
off
off
off
Содержание SDA 6000
Страница 3: ...Contents Overview...
Страница 21: ...Pin Description...
Страница 22: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Pin Descriptions 2 3 Micronas 2 Pin Descriptions...
Страница 29: ...Architectural Overview...
Страница 33: ...C16X Microcontroller...
Страница 34: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 C16X Microcontroller 4 3 Micronas 4 C16X Microcontroller...
Страница 88: ...Interrupt and Trap Function...
Страница 122: ...System Control Configuration...
Страница 159: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 System Control Configuration 6 40 Micronas...
Страница 160: ...Peripherals...
Страница 282: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Peripherals 7 124 Micronas...
Страница 283: ...Clock System...
Страница 284: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Clock System 8 3 Micronas 8 Clock System...
Страница 288: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Clock System 8 8 Micronas...
Страница 289: ...Sync System...
Страница 290: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Sync System 9 3 Micronas 9 Sync System...
Страница 301: ...Display Generator...
Страница 302: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Display Generator 10 3 Micronas 10 Display Generator...
Страница 348: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Display Generator 10 50 Micronas...
Страница 349: ...D A Converter...
Страница 352: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 D A Converter 11 6 Micronas...
Страница 353: ...Slicer and Acquisition...
Страница 354: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Slicer and Acquisition 12 3 Micronas 12 Slicer and Acquisition...
Страница 381: ...Register Overview...
Страница 398: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Register Overview 13 20 Micronas...
Страница 399: ...Elelctrical Characteristics...
Страница 400: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Electrical Characteristics 14 3 Micronas 14 Electrical Characteristics...
Страница 411: ...SDA 6000 PRELIMINARY DATA SHEET Version 2 1 Electrical Characteristics 14 14 Micronas...