C8051F121-GQR Silicon Laboratories Inc, C8051F121-GQR Datasheet - Page 208
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C8051F121-GQR
Manufacturer Part Number
C8051F121-GQR
Description
IC 8051 MCU FLASH 128K 64TQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F12xr
Specifications of C8051F121-GQR
Core Processor
8051
Core Size
8-Bit
Speed
100MHz
Connectivity
EBI/EMI, SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, Temp Sensor, WDT
Number Of I /o
32
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
8.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x8b, 8x12b; D/A 2x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
Processor Series
C8051F1x
Core
8051
Data Bus Width
8 bit
Data Ram Size
8.25 KB
Interface Type
I2C, SMBus, SPI, UART
Maximum Clock Frequency
100 MHz
Number Of Programmable I/os
32
Number Of Timers
5
Operating Supply Voltage
2.7 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
C8051F120DK
Minimum Operating Temperature
- 40 C
On-chip Adc
12 bit, 8 Channel
On-chip Dac
12 bit, 2 Channel
For Use With
336-1224 - DEVKIT-F120/21/22/23/24/25/26/27
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F121-GQR
Manufacturer:
Silicon Laboratories Inc
Quantity:
10 000
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C8051F120/1/2/3/4/5/6/7
C8051F130/1/2/3
208
Bits 7–6: Unused.
Bits 5–4: FLRT: Flash Read Time.
Bits 3–1: RESERVED. Read = 000b. Must Write 000b.
Bit 0:
Important Note: When changing the FLRT bits to a lower setting (e.g. when changing from a
R/W
Bit7
-
These bits should be programmed to the smallest allowed value, according to the system
clock speed.
00: SYSCLK < 25 MHz.
01: SYSCLK < 50 MHz.
10: SYSCLK < 75 MHz.
11: SYSCLK < 100 MHz.
FLWE: Flash Write/Erase Enable.
This bit must be set to allow Flash writes/erasures from user software.
0: Flash writes/erases disabled.
1: Flash writes/erases enabled.
value of 11b to 00b), cache reads, cache writes, and the prefetch engine should be
disabled using the CCH0CN register (see SFR Definition 16.1).
R/W
Bit6
-
SFR Definition 15.2. FLSCL: Flash Memory Control
R/W
Bit5
FLRT
R/W
Bit4
Reserved Reserved Reserved
Rev. 1.4
R/W
Bit3
R/W
Bit2
R/W
Bit1
SFR Address:
SFR Page:
FLWE
R/W
Bit0
0xB7
0
SFR Address:
10000000
Reset Value
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