C8051F34B-GM Silicon Laboratories Inc, C8051F34B-GM Datasheet - Page 184
![IC 8051 MCU 32K FLASH MEM 32-QFN](/photos/12/27/122778/c8051f34b-gm_sml.jpg)
C8051F34B-GM
Manufacturer Part Number
C8051F34B-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 C8051F34B-GM
Program Memory Type
FLASH
Program Memory Size
32KB (32K x 8)
Package / Case
32-QFN
Core Processor
8051
Core Size
8-Bit
Speed
48MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART, USB
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
25
Ram Size
2.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 17x10b
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
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1351-5
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F34B-GM
Manufacturer:
Silicon Labs
Quantity:
135
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C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
A Bulk or Interrupt pipe can be shut down (or Halted) by writing ‘1’ to the SDSTL bit (EOUTCSRL.5). While
SDSTL = ‘1’, hardware will respond to all OUT requests with a STALL condition. Each time hardware gen-
erates a STALL condition, an interrupt will be generated and the STSTL bit (EOUTCSRL.6) set to ‘1’. The
STSTL bit must be reset to ‘0’ by firmware.
Hardware will automatically set OPRDY when a packet is ready in the OUT FIFO. Note that if double buff-
ering is enabled for the target endpoint, it is possible for two packets to be ready in the OUT FIFO at a time.
In this case, hardware will set OPRDY to ‘1’ immediately after firmware unloads the first packet and resets
OPRDY to ‘0’. A second interrupt will be generated in this case.
16.13.2.Endpoints1-3 OUT Isochronous Mode
When the ISO bit (EOUTCSRH.6) is set to ‘1’, the target endpoint operates in Isochronous (ISO) mode.
Once an endpoint has been configured for ISO OUT mode, the host will send exactly one data per USB
frame; the location of the data packet within each frame may vary, however. Because of this, it is recom-
mended that double buffering be enabled for ISO OUT endpoints.
Each time a data packet is received, hardware will load the received data packet into the endpoint FIFO,
set the OPRDY bit (EOUTCSRL.0) to ‘1’, and generate an interrupt (if enabled). Firmware would typically
use this interrupt to unload the data packet from the endpoint FIFO and reset the OPRDY bit to ‘0’.
If a data packet is received when there is no room in the endpoint FIFO, an interrupt will be generated and
the OVRUN bit (EOUTCSRL.2) set to ‘1’. If USB0 receives an ISO data packet with a CRC error, the data
packet will be loaded into the endpoint FIFO, OPRDY will be set to ‘1’, an interrupt (if enabled) will be gen-
erated, and the DATAERR bit (EOUTCSRL.3) will be set to ‘1’. Software should check the DATAERR bit
each time a data packet is unloaded from an ISO OUT endpoint FIFO.
184
Rev. 1.3
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