SIM3U146-B-GM Silicon Labs, SIM3U146-B-GM Datasheet - Page 17

• Manufacturer Part Number: SIM3U146-B-GM
• Description: ARM Microcontrollers - MCU ARM Cortex-M3 USB 64KB QFN64
• Manufacturer: Silicon Labs

Specifications of SIM3U146-B-GM

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: SIM3U1xx
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 80 MHz
• Program Memory Size: 64 KB
• Data Ram Size: 32 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 1.8 V to 3.6 V
• Operating Temperature Range: - 40 C to + 85 C
• Package / Case: QFN-64
• Mounting Style: SMD/SMT
• Interface Type: 2 x I2C, I2S, 3 x SPI, 2 x USART, 2 x UART
• Number Of Programmable I/os: 65
• Number Of Timers: 2 x 32 bit
• Supply Voltage - Max: 3.6 V

Table 3.8. Internal Oscillators
Table 3.7. Flash Memory
USB Oscillator (USB0OSC)
Oscillator Frequency
Power Supply Sensitivity
Temperature Sensitivity
Phase-Locked Loop (PLL0OSC)
Calibrated Output Frequency*
Power Supply Sensitivity*
Temperature Sensitivity*
Adjustable Output Frequency
Range
Write Time
Erase Time
V
Endurance (Write/Erase Cycles)
Retention
Notes:
DD
1. Does not include sequencing time before and after the write/erase operation, which may take up to 35 µs. During a
2. Additional Data Retention Information is published in the Quarterly Quality and Reliability Report.
Voltage During Programming
sequential write operation, this extra time is only taken prior to the first write and after the last write.
2
1
1
Parameter
Parameter
PSS
PSS
TS
TS
f
f
f
Symbol
USB0OSC
PLL0OSC
PLL0OSC
USB0OSC
PLL0OSC
Symbol
USB0OSC
PLL0OSC
V
t
t
t
ERASE
WRITE
ERALL
N
t
PROG
RET
WE
USB Active with Clock
T
One 16-bit Half Word
Full Temperature and
Full Temperature and
Full Temperature and
Rev. 1.0
No Clock Recovery,
No Clock Recovery,
A
Test Condition
= 25 °C, 1k Cycles
Test Condition
Fout = 79 MHz
Fout = 79 MHz
Supply Range
Supply Range
Supply Range
V
V
V
Full Device
T
T
One Page
T
Recovery,
DD
DD
DD
A
A
A
= 25 °C,
= 25 °C,
= 25 °C
= 3.3 V,
= 3.3 V
= 3.3 V
47.88
47.3
47.5
Min
20k
Min
1.8
20
20
20
10
77
23
—
—
—
—
100k
Typ
100
Typ
175
430
21
21
21
—
48
48
48
45
79
95
—
SiM3U1xx
48.12
Max
Max
48.7
48.5
3.6
22
22
22
—
—
80
80
—
—
—
—
ppm/°C
ppm/°C
Cycles
ppm/V
ppm/V
Years
Unit
MHz
MHz
MHz
MHz
MHz
Unit
ms
ms
µs
V
17