SIM3L144-C-GM Silicon Labs, SIM3L144-C-GM Datasheet - Page 19

• Manufacturer Part Number: SIM3L144-C-GM
• Description: ARM Microcontrollers - MCU 64KB, DC-DC, AES QFN40
• Manufacturer: Silicon Labs

Specifications of SIM3L144-C-GM

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: SiM3L1xx
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 50 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 16 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.8 V to 3.8 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: QFN-40
• Mounting Style: SMD/SMT
• A/d Bit Size: 12 bit
• A/d Channels Available: 20
• Interface Type: I2C, SPI
• Length: 4.65 mm
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 28
• Number Of Timers: 3
• On-chip Dac: Yes
• Program Memory Type: Flash
• Supply Voltage - Max: 3.8 V
• Supply Voltage - Min: 1.8 V

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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