EM6819 Datasheet, PDF (124/154 Pages) EM Microelectronic - MARIN SA – Sub-1V (0.6V) 8bit Flash MCU DC-DC Converter

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EM6819
31. BLOCKS CONSUMPTION
Following table shows the consumption of different blocks of EM6819 in typical conditions. Consumption of system,
CPU, NVM access etc… have been excluded for each block to get only the consumption of the block itself.
Temperature: 25°C
VSUP:
3V
Block
Brown-out
Watch-dog
Sleep counter wake-up
RC 15 MHz
RC 2 MHz
RC 8 kHz
Xtal
BGR
VLD
Consumption
600 nA
40 nA
90 nA
23 uA
6 uA
90 nA
400 nA
11 uA
7.2 uA
ADC
50 uA
OpAmp
52 uA
18 uA
Timers
26 uA
SPI
16 uA
Special conditions
VLD source:
VLD level:
VSUP
0
Sampling rate:
Range:
Reference:
ADC Input:
12.5 kS/s
8/8
BGR (Not included in consumption)
PC1 = 0.618 V (Vref / 2)
Comparator mode:
OpAmp supply:
Input neg:
Input pos:
Output:
Off
VSUP
PA2 = 0V
PA3 = VSUP (3V)
PC1 = VSUP (3V)
Comparator mode:
OpAmp supply:
Input neg:
Input pos:
Output:
Off
VSUP
PA2 = VSUP (3V)
PA3 = 0V
PC1 = 0V
Timer1 consumption considered
CPU clock:
8kHz
Prescaler1 clock:
2 MHz
Prescaler2 clock:
8 kHz
Timer1 clock:
Prescaler1 Ck15 (2 MHz)
SPI mode:
SCLK clock:
SIN:
SOUT:
Sequence:
Master, Auto start
2 MHz (not mapped on any pad)
PA4 = 0V
Not mapped on any pad
Write 0xAA ; 0x55 continously in RegSPIDOut
Copyright © 2009, EM Microelectronic-Marin SA
124
07/09 – rev.D
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