C8051F34D-GQ Silicon Laboratories Inc, C8051F34D-GQ Datasheet - Page 86
C8051F34D-GQ
Manufacturer Part Number
C8051F34D-GQ
Description
IC 8051 MCU 64K FLASH 32LQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F34xr
Specifications of C8051F34D-GQ
Program Memory Type
FLASH
Program Memory Size
64KB (64K x 8)
Package / Case
32-LQFP
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, WDT
Number Of I /o
25
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.25 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Processor Series
C8051F3x
Core
8051
Data Ram Size
256 KB
Interface Type
UART
Maximum Clock Frequency
48 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
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F34D-GQ
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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Part Number:
C8051F34D-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
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C8051F340/1/2/3/4/5/6/7/8/9/A/B/C/D
9.2.7. Register Descriptions
Following are descriptions of SFRs related to the operation of the CIP-51 System Controller. Reserved bits
should not be set to logic l. Future product versions may use these bits to implement new features in which
case the reset value of the bit will be logic 0, selecting the feature's default state. Detailed descriptions of
the remaining SFRs are included in the sections of the datasheet associated with their corresponding sys-
tem function.
86
Bits7–0: DPL: Data Pointer Low.
Bits7–0: DPH: Data Pointer High.
Bits7–0: SP: Stack Pointer.
R/W
R/W
R/W
Bit7
Bit7
Bit7
The DPL register is the low byte of the 16-bit DPTR. DPTR is used to access indirectly
addressed memory.
The DPH register is the high byte of the 16-bit DPTR. DPTR is used to access indirectly
addressed memory.
The Stack Pointer holds the location of the top of the stack. The stack pointer is incremented
before every PUSH operation. The SP register defaults to 0x07 after reset.
R/W
R/W
R/W
Bit6
Bit6
Bit6
SFR Definition 9.2. DPH: Data Pointer High Byte
SFR Definition 9.1. DPL: Data Pointer Low Byte
R/W
R/W
R/W
Bit5
Bit5
Bit5
SFR Definition 9.3. SP: Stack Pointer
R/W
R/W
R/W
Bit4
Bit4
Bit4
Rev. 1.3
R/W
R/W
R/W
Bit3
Bit3
Bit3
R/W
R/W
R/W
Bit2
Bit2
Bit2
R/W
R/W
R/W
Bit1
Bit1
Bit1
R/W
R/W
R/W
Bit0
Bit0
Bit0
SFR Address:
SFR Address:
SFR Address:
00000000
00000000
00000111
Reset Value
Reset Value
Reset Value
0x83
0x81
0x82
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