C8051F330D Silicon Laboratories Inc, C8051F330D Datasheet - Page 35
C8051F330D
Manufacturer Part Number
C8051F330D
Description
IC 8051 MCU 8K FLASH 20DIP
Manufacturer
Silicon Laboratories Inc
Series
C8051F33xr
Datasheet
1.C8051F330R.pdf
(208 pages)
Specifications of C8051F330D
Core Processor
8051
Core Size
8-Bit
Speed
25MHz
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 16x10b; D/A 1x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Other names
336-1155
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5.
The ADC0 subsystem for the C8051F330 and C8051F330D consists of two analog multiplexers (referred
to collectively as AMUX0) with 16 total input selections, and a 200 ksps, 10-bit successive-approximation-
register ADC with integrated track-and-hold and programmable window detector. The AMUX0, data con-
version modes, and window detector are all configurable under software control via the Special Function
Registers shown in Figure 5.1. ADC0 operates in both Single-ended and Differential modes, and may be
configured to measure Ports0-1, the Temperature Sensor output, or
The ADC0 subsystem is enabled only when the AD0EN bit in the ADC0 Control register (ADC0CN) is set
to logic 1. The ADC0 subsystem is in low power shutdown when this bit is logic 0.
Sensor
Temp
VREF
GND
10-Bit ADC (ADC0, C8051F330 and C8051F330D only)
P0.0
P0.7
P1.0
P1.7
VDD
P0.0
P0.7
P1.0
P1.7
18-to-1
18-to-1
AMUX
AMUX
Figure 5.1. ADC0 Functional Block Diagram
AMX0P
AMX0N
C8051F330/1, C8051F330D
Rev. 1.2
(+)
(-)
ADC0CF
ADC
10-Bit
VDD
SAR
V
ADC0GTH ADC0GTL
ADC0LTH
DD with respect to Ports0-1 or GND.
ADC0CN
ADC0LTL
Conversion
Start
000
001
010
011
100
101
32
AD0WINT
Compare
Window
AD0BUSY (W)
Timer 0 Overflow
Timer 2 Overflow
Timer 1 Overflow
CNVSTR Input
Timer 3 Overflow
Logic
35
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