Datasheet

Analog Integrated Circuit Device Data
Freescale Semiconductor 20
MC34708
General Product Characteristics
5.3.3 Current Consumption
The current consumption of the individual blocks is described in detail throughout this specification. For convenience, a summary
table follows for standard use cases.
Table 10. Current Consumption Summary
(27)
Characteristics noted under conditions BP = 3.6 V, V
BUS
= 5.0 V, - 40 C  T
A
 85 C, unless otherwise noted. Typical values
at BP = 3.6
V and T
A
= 25 °C under nominal conditions, unless otherwise noted.
Mode Description Typ Max Unit Notes
RTC / Power
cut
All blocks disabled, no main battery attached, coin cell is attached to LICELL 
(at 25 °C only)
• RTC Logic
•VSRTC
•32 kHz Oscillator
• Clk32KMCU buffer active(10 pF load)
4.0 8.0 A
OFF (good
battery)
All blocks disabled, main battery attached
•Digital Core
• RTC Logic
•VSRTC
•32 kHz Oscillator
• CLK32KMCU buffer active (10 pF load)
20 55 A
LPM ON
Standby
Low Power Mode (Standby pin asserted and ON_STBY_LP=1)
•Digital Core
• RTC Logic
• VCORE Module
•VSRTC
• CLK32KMCU/CLK32K active (10 pF load)
•32 kHz Oscillator
•I
REF
• SW1, SW2, SW3, SW4A, SW4B, SW5 in PFM
(26),(30)
• VDDREF, VPLL, VGEN1, VGEN2, VUSB2, VDAC
in low power mode
(25),(28)
•Mini-USB
340 424 A
ON Standby
•Digital Core
• RTC Logic
• VCORE module
•VSRTC
• CLK32KMCU/CLK32K active (10 pF load)
•32 kHz Oscillator
•Digital
•I
REF
• SW1, SW2, SW3 SW4A, SW4B, SW5 in PFM
(26),(30)
• VDDREF, VPLL, VGEN1, VGEN2, VUSB2, VDAC on 
in low power mode
(26),(28)
•Mini-USB
• PLL (for mini USB)
480 561 A