UPMU-M3L1xLCD-B-EK Silicon Labs, UPMU-M3L1xLCD-B-EK Datasheet - Page 19

• Manufacturer Part Number: UPMU-M3L1xLCD-B-EK
• Description: Daughter Cards & OEM Boards UDP SiM3L1xx MCU Card (with LCD)
• Manufacturer: Silicon Labs

Specifications of UPMU-M3L1xLCD-B-EK

• Product: MCU Cards
• Core: ARM Cortex M3
• Data Bus Width: 32 bit
• Description/function: MCU Card (with Static LCD) to use with UDP Motherboard
• Interface Type: I2C, SPI, UART
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Tool Is For Evaluation Of: SiM3L1xx
• For Use With: SiM3L1xx

Table 3.7. Internal Oscillators (Continued)
Table 3.8. External Oscillator
RTC0 Oscillator (RTC0OSC)
Missing Clock Detector Trigger
Frequency
RTC External Input CMOS Clock
Frequency
RTC Robust Duty Cycle Range
External Input CMOS Clock
Frequency
External Crystal Frequency
External Input CMOS Clock High Time
External Input CMOS Clock Low Time
Low Power Mode Charge Pump 
Supply Range (input from V
*Note: Minimum of 10 kHz when debugging.
Parameter
Parameter
BAT
)
f
RTCEXTCLK
Symbol
f
RTCMCD
DC
Symbol
t
t
f
CMOSH
CMOSL
f
V
CMOS
RTC
XTAL
BAT
Rev 0.5
Test Condition
Test Condition
0.010
Min
Min
2.4
25
—
0*
9
9
0
Typ
Typ
—
—
—
—
—
—
—
8
SiM3L1xx
Max
Max
3.8
50
25
15
40
55
—
—
MHz
MHz
Unit
Unit
kHz
kHz
ns
ns
%
V
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