SIM3U146-B-GM Silicon Labs, SIM3U146-B-GM Datasheet - Page 70
SIM3U146-B-GM
Manufacturer Part Number
SIM3U146-B-GM
Description
ARM Microcontrollers - MCU ARM Cortex-M3 USB 64KB QFN64
Manufacturer
Silicon Labs
Datasheet
1.SIM3U146-B-GM.pdf
(94 pages)
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
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SiM3U1xx
70
Pin Name
VREGIN
SWCLK
VSSHD
SWDIO
RESET
VIOHD
VBUS
PB0.0
PB0.1
PB0.2
PB0.3
PB0.4
PB0.5
VDD
VSS
VIO
D+
D-
Table 6.3. Pin Definitions and Alternate Functions for SiM3U1x4
Ground (High Drive)
Power (High Drive)
Power (Regulator)
Active-low Reset
USB Bus Sense
Power (Core)
Standard I/O
Standard I/O
Standard I/O
Standard I/O
Standard I/O
Standard I/O
Power (I/O)
USB Data+
USB Data–
Serial Wire
Serial Wire
Ground
Type
14
35
13
36
40
39
38
37
24
23
34
33
32
31
30
29
2
3
Rev. 1.0
XBR0
XBR0
XBR0
XBR0
XBR0
VREFGND
ADC0.10
ADC0.8
ADC0.9
ADC1.6
IDAC0
IDAC1
CS0.7
CS0.0
CS0.1
CS0.2
VREF
RTC1
RTC2
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