C8051F350 Silicon Laboratories Inc, C8051F350 Datasheet - Page 61

IC 8051 MCU 8K FLASH 32LQFP

C8051F350

Manufacturer Part Number
C8051F350
Description
IC 8051 MCU 8K FLASH 32LQFP
Manufacturer
Silicon Laboratories Inc
Series
C8051F35xr
Datasheets

Specifications of C8051F350

Core Processor
8051
Core Size
8-Bit
Speed
50MHz
Connectivity
SMBus (2-Wire/I²C), SPI, UART/USART
Peripherals
POR, PWM, Temp Sensor, WDT
Number Of I /o
17
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.6 V
Data Converters
A/D 8x24b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Data Bus Width
8 bit
Data Rom Size
128 B
On-chip Adc
10 bit
Number Of Timers
16 bit
Operating Supply Voltage
2.7 V to 3.6 V
Mounting Style
SMD/SMT
Height
1.4 mm
Length
7 mm
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Width
7 mm
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Lead Free Status / Rohs Status
No RoHS Version Available

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6.
The C8051F350/1/2/3 devices include two 8-bit current-mode Digital-to-Analog Converters (IDACs). The
maximum current output of the IDACs can be adjusted for four different current settings; 0.25 mA, 0.5 mA,
1 mA, and 2 mA. The IDACs can be individually enabled or disabled using the enable bits in the corre-
sponding IDAC Control Register (IDA0CN or IDA1CN). An internal bandgap bias generator is used to gen-
erate a reference current for the IDACs whenever they are enabled. IDAC updates can be performed on-
demand, scheduled on a Timer overflow, or synchronized with an external pin edge. Figure 6.1 shows a
block diagram of the IDAC circuitry.
8-Bit Current Mode DACS (IDA0 and IDA1)
IDAnOMD1
IDAnOMD0
IDAnCM2
IDAnCM1
IDAnCM0
IDAnCSC
IDAnEN
Figure 6.1. IDAC Functional Block Diagram
8
Rev. 0.4
8
IDAn
C8051F350/1/2/3
IDAn
Output
61

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