SIM3U146-B-GM Silicon Labs, SIM3U146-B-GM Datasheet - Page 30

• 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 (Continued)
SiM3U1xx
30
Output Fall Time
Input High Voltage
Input Low Voltage
N-Channel Sink Current Limit
(2.7 V < V
V
See Figure 3.1
Total N-Channel Sink Current on
P4.0-P4.5 (DC)
Notes:
OL
1. RESET does not drive to logic high. Specifications for RESET V
2. VBUS does not have output drive capability.
= 0.8 V)
IOHD
Parameter
< 6 V,
Symbol
I
I
SINKLT
SINKL
V
V
t
F
IH
IL
1.8 V< V
2.0 V< V
Slew Rate Mode 0,
Slew Rate Mode 1,
Slew Rate Mode 2,
Slew Rate Mode 3,
Test Condition
Rev. 1.0
V
V
V
V
IOHD
IOHD
IOHD
IOHD
Mode 10
Mode 11
Mode 12
Mode 13
Mode 14
Mode 15
Mode 0
Mode 1
Mode 2
Mode 3
Mode 4
Mode 5
Mode 6
Mode 7
Mode 8
Mode 9
IOHD
IOHD
= 5 V
= 5 V
= 5 V
= 5 V
< 2.0 V
< 6 V
OL
adhere to the low drive setting.
0.7 x V
V
IOHD
Min
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
– 0.6
IOHD
18.75
28.25
56.25
112.5
1.75
4.75
37.5
Typ
300
150
225
300
2.5
3.5
9.5
50
14
75
—
—
—
—
1
3
7
Max
400
0.6
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
mA
mA
µs
µs
ns
ns
V
V
V