C8051F346-GQ Silicon Laboratories Inc, C8051F346-GQ Datasheet - Page 95
![IC 8051 MCU FLASH 64K 32LQFP](/photos/12/18/121867/c8051f346-gq_sml.jpg)
C8051F346-GQ
Manufacturer Part Number
C8051F346-GQ
Description
IC 8051 MCU FLASH 64K 32LQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F34xr
Datasheets
1.C8051F349-GQ.pdf
(276 pages)
2.C8051F346-GQ.pdf
(1 pages)
3.C8051F347-GQ.pdf
(296 pages)
Specifications of C8051F346-GQ
Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
32-LQFP
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, Temp Sensor, WDT
Number Of I /o
25
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 21x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F3x
Core
8051
Data Bus Width
8 bit
Data Ram Size
5.25 KB
Interface Type
I2C/SMBus/SPI/UART/USB
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
17-ch x 10-bit
No. Of I/o's
25
Ram Memory Size
4352Byte
Cpu Speed
25MHz
No. Of Timers
4
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
336-1748 - ADAPTER TOOLSTICK FOR C8051F34X770-1006 - ISP 4PORT FOR SILABS C8051F MCU
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
336-1304
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F346-GQ
Manufacturer:
SiliconL
Quantity:
578
Company:
Part Number:
C8051F346-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
Company:
Part Number:
C8051F346-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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Bit7:
Bit6:
Bit5:
Bits4–3: RS1–RS0: Register Bank Select.
Bit2:
Bit1:
Bit0:
Bits7–0: ACC: Accumulator.
ACC.7
R/W
R/W
CY
Bit7
Bit7
CY: Carry Flag.
This bit is set when the last arithmetic operation resulted in a carry (addition) or a borrow
(subtraction). It is cleared to logic 0 by all other arithmetic operations.
AC: Auxiliary Carry Flag
This bit is set when the last arithmetic operation resulted in a carry into (addition) or a borrow
from (subtraction) the high order nibble. It is cleared to logic 0 by all other arithmetic operations.
F0: User Flag 0.
This is a bit-addressable, general purpose flag for use under software control.
These bits select which register bank is used during register accesses.
OV: Overflow Flag.
This bit is set to 1 under the following circumstances:
• An ADD, ADDC, or SUBB instruction causes a sign-change overflow.
• A MUL instruction results in an overflow (result is greater than 255).
• A DIV instruction causes a divide-by-zero condition.
The OV bit is cleared to 0 by the ADD, ADDC, SUBB, MUL, and DIV instructions in all other
cases.
F1: User Flag 1.
This is a bit-addressable, general purpose flag for use under software control.
PARITY: Parity Flag.
This bit is set to logic 1 if the sum of the eight bits in the accumulator is odd and cleared if the
sum is even.
This register is the accumulator for arithmetic operations.
RS1
ACC.6
0
0
1
1
R/W
R/W
AC
Bit6
Bit6
SFR Definition 9.4. PSW: Program Status Word
RS0
0
1
0
1
ACC.5
SFR Definition 9.5. ACC: Accumulator
R/W
R/W
Bit5
Bit5
F0
Register Bank
ACC.4
RS1
R/W
R/W
Bit4
0
1
2
3
Bit4
C8051F340/1/2/3/4/5/6/7/8/9
Rev. 1.1
ACC.3
RS0
R/W
R/W
Bit3
Bit3
0x00 - 0x07
0x08 - 0x0F
0x10 - 0x17
0x18 - 0x1F
Address
ACC.2
R/W
R/W
OV
Bit2
Bit2
ACC.1
R/W
R/W
Bit1
Bit1
F1
(bit addressable)
(bit addressable)
PARITY
ACC.0
R/W
Bit0
Bit0
R
SFR Address:
SFR Address:
00000000
00000000
Reset Value
Reset Value
0xE0
0xD0
95
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