C8051F349-GM Silicon Laboratories Inc, C8051F349-GM Datasheet - Page 163
![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: 163 of 276
- Download datasheet (2Mb)
Bits7:
Bit6:
Bits5–0: USBADDR: USB0 Indirect Register Address
BUSY
R/W
Bit7
BUSY: USB0 Register Read Busy Flag
This bit is used during indirect USB0 register accesses. Software should write ‘1’ to this bit to
initiate a read of the USB0 register targeted by the USBADDR bits (USB0ADR.[5-0]). The
target address and BUSY bit may be written in the same write to USB0ADR. After BUSY is
set to ‘1’, hardware will clear BUSY when the targeted register data is ready in the
USB0DAT register. Software should check BUSY for ‘0’ before writing to USB0DAT.
Write:
0: No effect.
1: A USB0 indirect register read is initiated at the address specified by the USBADDR bits.
Read:
0: USB0DAT register data is valid.
1: USB0 is busy accessing an indirect register; USB0DAT register data is invalid.
AUTORD: USB0 Register Auto-read Flag
This bit is used for block FIFO reads.
0: BUSY must be written manually for each USB0 indirect register read.
1: The next indirect register read will automatically be initiated when software reads
USB0DAT (USBADDR bits will not be changed).
These bits hold a 6-bit address used to indirectly access the USB0 core registers. Table 16.2
lists the USB0 core registers and their indirect addresses. Reads and writes to USB0DAT
will target the register indicated by the USBADDR bits.
AUTORD
R/W
Bit6
SFR Definition 16.2. USB0ADR: USB0 Indirect Address
R/W
Bit5
C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
R/W
Bit4
Rev. 1.3
R/W
Bit3
USBADDR
R/W
Bit2
R/W
Bit1
R/W
Bit0
SFR Address:
00000000
Reset Value
0x96
163
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