C8051F349-GM Silicon Laboratories Inc, C8051F349-GM Datasheet - Page 170
![IC 8051 MCU 32K FLASH MEM 32-QFN](/photos/12/27/122747/c8051f349-gm_sml.jpg)
C8051F349-GM
Manufacturer Part Number
C8051F349-GM
Description
IC 8051 MCU 32K FLASH MEM 32-QFN
Manufacturer
Silicon Laboratories Inc
Series
C8051F34xr
Datasheet
1.C8051F349-GQ.pdf
(276 pages)
Specifications of C8051F349-GM
Program Memory Type
FLASH
Program Memory Size
32KB (32K x 8)
Package / Case
32-QFN
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
25
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
2304 B
Interface Type
I2C, SPI, UART
Maximum Clock Frequency
25 MHz
Number Of Programmable I/os
25
Number Of Timers
4
Operating Supply Voltage
2.7 V to 5.25 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
KSK-SL-F34X, KSK-SL-TOOLSTICK, PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F340DK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1748 - ADAPTER TOOLSTICK FOR C8051F34X
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1349-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F349-GM
Manufacturer:
Silicon Labs
Quantity:
135
- Current page: 170 of 276
- Download datasheet (2Mb)
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
“14. Oscillators” on page 131
mode feature of the internal oscillator.
USB0 exits Suspend mode when any of the following occur: (1) Resume signaling is detected or gener-
ated, (2) Reset signaling is detected, or (3) a device or USB reset occurs. If suspended, the internal oscil-
lator will exit Suspend mode upon any of the above listed events.
Resume Signaling: USB0 will exit Suspend mode if Resume signaling is detected on the bus. A Resume
interrupt will be generated upon detection if enabled (RESINTE = ‘1’). Software may force a Remote
Wakeup by writing ‘1’ to the RESUME bit (POWER.2). When forcing a Remote Wakeup, software should
write RESUME = ‘0’ to end Resume signaling 10-15 ms after the Remote Wakeup is initiated (RESUME =
‘1’).
ISO Update: When software writes ‘1’ to the ISOUP bit (POWER.7), the ISO Update function is enabled.
With ISO Update enabled, new packets written to an ISO IN endpoint will not be transmitted until a new
Start-Of-Frame (SOF) is received. If the ISO IN endpoint receives an IN token before a SOF, USB0 will
transmit a zero-length packet. When ISOUP = ‘1’, ISO Update is enabled for all ISO endpoints.
USB Enable: USB0 is disabled following a Power-On-Reset (POR). USB0 is enabled by clearing the
USBINH bit (POWER.4). Once written to ‘0’, the USBINH can only be set to ‘1’ by one of the following: (1)
a Power-On-Reset (POR), or (2) an asynchronous USB0 reset generated by writing ‘1’ to the USBRST bit
(POWER.3).
Software should perform all USB0 configuration before enabling USB0. The configuration sequence
should be performed as follows:
170
Step 1. Select and enable the USB clock source.
Step 2. Reset USB0 by writing USBRST= ‘1’.
Step 3. Configure and enable the USB Transceiver.
Step 4. Perform any USB0 function configuration (interrupts, Suspend detect).
Step 5. Enable USB0 by writing USBINH = ‘0’.
for more details on internal oscillator configuration, including the Suspend
Rev. 1.3
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