SiM3U157-B-GQ Silicon Labs, SiM3U157-B-GQ Datasheet - Page 34

• Manufacturer Part Number: SiM3U157-B-GQ
• Description: ARM Microcontrollers - MCU ARM Cortex-M3 USB 128KB TQFP80
• Manufacturer: Silicon Labs

Specifications of SiM3U157-B-GQ

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: SIM3U1xx
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 80 MHz
• Program Memory Size: 128 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: TQFP-80
• Mounting Style: SMD/SMT
• Interface Type: 2 x I2C, I2S, 3 x SPI, 2 x USART, 2 x UART
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 65
• Number Of Timers: 2 x 32 bit
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 1.8 V

Table 3.20. Absolute Maximum Ratings
SiM3U1xx
34
Voltage on I/O pins, Port Bank 3 I/O
Total Current Sunk into Supply Pins
Total Current Sourced out of Ground
Pins
Current Sourced or Sunk by Any I/O Pin
Current Injected on Any I/O Pin
Total Injected Current on I/O Pins
Power Dissipation at T
*Note: VSS and VSSHD provide separate return current paths for device supplies, but are not isolated. They must always be
connected to the same potential on board.
Parameter
A
= 85 °C
Symbol
I
 I
SUPP
I
I
V
I
VSS
P
PIO
INJ
INJ
IN
D
V
DD
PB0, PB1, PB2, PB3,
PB0, PB1, PB2, PB3,
Rev. 1.0
SiM3U1x7, PB3.0–
SiM3U1x7, PB3.0–
SiM3U1x7, PB3.8–
SiM3U1x6, PB3.0–
SiM3U1x6, PB3.0–
SiM3U1x6, PB3.6–
SiM3U1x4, PB3.0–
PB3.7, V
PB3.7, V
PB3.5, V
PB3.5, V
TQFP-80 Package
TQFP-64 Package
Sum of all I/O and
QFN-64 Package
QFN-40 Package
LGA-92 Package
, V
Test Condition
and RESET
and RESET
V
REGIN
SS,
RESET
PB3.11
PB3.9
PB3.3
PB4
PB4
V
IO
IO
IO
IO
, V
SSHD
> 3.3 V
< 3.3 V
> 3.3 V
< 3.3 V
IO
, V
IOHD
V
V
V
V
V
V
V
SS
SS
SS
SS
SS
SS
SS
–100
–300
–100
–300
–400
Min
400
—
—
—
—
—
—
–0.3
–0.3
–0.3
–0.3
–0.3
–0.3
–0.3
V
V
V
Lowest of
Lowest of
Lowest of
REGIN
REGIN
REGIN
V
V
V
V
V
or 5.8
or 5.8
or 5.8
IO
IO
IO
IO
IO
Max
400
100
300
100
300
400
570
500
800
650
650
5.8
5.8
—
+2.5,
+2.5,
+2.5,
+2.5
+2.5
+0.3,
+0.3,
+0.3,
Unit
mW
mW
mW
mW
mW
mA
mA
mA
mA
mA
mA
mA
V
V
V
V
V
V
V