SIM3U146-B-GM Silicon Labs, SIM3U146-B-GM Datasheet - Page 29

• 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 3.18. Port I/O
Standard I/O (PB0, PB1, and PB2), 5 V Tolerant I/O (PB3), VBUS and RESET
Output High Voltage
Output Low Voltage
Input High Voltage
Input Low Voltage
Pin Capacitance
Weak Pull-Up Current
(V
Input Leakage 
(Pullups off or Analog)
Input Leakage Current of Port
Bank 3 I/O, V
High Drive I/O (PB4)
Output High Voltage
Output Low Voltage
Output Rise Time
Notes:
IN
1. RESET does not drive to logic high. Specifications for RESET V
2. VBUS does not have output drive capability.
= 0 V)
Parameter
IN
above V
1, 2
1, 2
IO
Symbol
V
V
V
V
C
V
I
V
I
t
PU
LK
I
OH
OH
OL
OL
R
IH
IO
L
IL
High Drive, I
PB0, PB1 and PB2 Pins
Low Drive, I
Low Drive, I
V
(pins without EXREG
Standard Mode, High
Standard Mode, High
Drive, I
Standard Mode, Low
Standard Mode, Low
Drive, I
V
Drive, I
Slew Rate Mode 0,
Slew Rate Mode 1,
Slew Rate Mode 2,
Slew Rate Mode 3,
IO
(pins with EXREG
Drive, I
IO
Test Condition
1.8 < V
2.0 < V
I
< V
0 < V
OL
Rev. 1.0
V
V
V
V
High Drive,
< V
functions)
functions)
PB3 Pins
V
V
IOHD
IOHD
IOHD
IOHD
= 12.5 mA
IN
OH
IO
IO
OH
OH
IN
OH
IN
< V
= 1.8
= 3.6
IO
IO
OH
OH
= 12.5 mA
< V
= –10 mA
= 5 V
= 5 V
= 5 V
= 5 V
OL
= –3 mA
< V
= 3 mA
< 2.0
< 3.6
IO
= –2 mA
= –5 mA
REGIN
= 3 mA
+2.0 V
IO
OL
adhere to the low drive setting.
V
V
V
V
0.7 x V
V
IOHD
IOHD
IO
IO
IO
Min
–30
—
—
—
—
—
–6
–1
—
—
—
—
—
—
– 0.7
– 0.7
– 0.6
0
0
– 0.7
– 0.7
IO
–3.5
Typ
–20
300
50
—
—
—
—
—
—
—
—
—
—
—
—
4
7
5
5
1
3
SiM3U1xx
Max
–10
150
150
0.6
0.6
0.6
0.6
0.6
–2
—
—
—
—
—
—
—
—
—
—
—
—
1
Unit
µA
µA
µA
µA
µA
pF
pF
µs
µs
ns
ns
V
V
V
V
V
V
V
V
V
V
V
29