Electrical Specifications; Electrical Characteristics - Silicon Laboratories SiM3U1xx Manual

3. Electrical Specifications

3.1. Electrical Characteristics

All electrical parameters in all tables are specified under the conditions listed in Table 3.1, unless stated otherwise.
Table 3.1. Recommended Operating Conditions
Parameter
Operating Supply Voltage on VDD
Operating Supply Voltage on VREGIN
Operating Supply Voltage on VIO
Operating Supply Voltage on VIOHD
Voltage on I/O pins, Port Bank 0, 1
and 2 I/O
Voltage on I/O pins, Port Bank 3 I/O
and RESET
Voltage on I/O pins, Port Bank 4 I/O
System Clock Frequency (AHB)
Peripheral Clock Frequency (APB)
Operating Ambient Temperature
Operating Junction Temperature
Note: All voltages with respect to
Symbol Conditions
V
DD
V EXTVREG0 Not
REGIN
EXTVREG0 Used
V
IO
V HV Mode (default)
IOHD
V
IN
V SiM3U1x7
IN
PB3.0–PB3.7 and
SiM3U1x7
PB3.8 - PB3.11
SiM3U1x6
PB3.0–PB3.5 and
SiM3U1x6
PB3.6–PB3.9
SiM3U1x4
SiM3U1x4
PB3.0–PB3.3
V
IN
f
AHB
f
APB
T
A
T
J
V
.
SS
Preliminary Rev. 0.8
Min
1.8
4
Used
3.0
1.8
2.7
LV Mode 1.8
V
SS
V
SS
RESET
V
SS
V
SS
RESET
V
SS
V
SS
RESET
V
SS
V
SSHD
0
0
–40
–40
SiM3U1xx
Typ Max Units
— 3.6 V
— 5.5 V
— 3.6 V
— V V
DD
— 6.0 V
— 3.6 V
V V
—
IO
V +2.0 V
—
IO
Lowest of V
—
V +2.0 or
IO
V
REGIN
V +2.0 V
—
IO
Lowest of V
—
V +2.0 or
IO
V
REGIN
V +2.0 V
—
IO
Lowest of V
—
V +2.0 or
IO
V
REGIN
V V
—
IOHD
— 80 MHz
— 50 MHz
— 85 °C
— 105 °C
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