C8051F330D Silicon Laboratories Inc, C8051F330D Datasheet - Page 20
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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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C8051F330/1, C8051F330D
1.4.
C8051F330/1, C8051F330D devices include 17 I/O pins (two byte-wide Ports and one 1-bit-wide Port).
The C8051F330/1, C8051F330D Ports behave like typical 8051 Ports with a few enhancements. Each Port
pin may be configured as an analog input or a digital I/O pin. Pins selected as digital I/Os may additionally
be configured for push-pull or open-drain output. The “weak pull-ups” that are fixed on typical 8051 devices
may be globally disabled, providing power savings capabilities.
The Digital Crossbar allows mapping of internal digital system resources to Port I/O pins (See Figure 1.7).
On-chip counter/timers, serial buses, HW interrupts, comparator output, and other digital signals in the
controller can be configured to appear on the Port I/O pins specified in the Crossbar Control registers. This
allows the user to select the exact mix of general purpose Port I/O and digital resources needed for the
particular application.
20
Highest
Priority
Lowest
Priority
Programmable Digital I/O and Crossbar
SYSCLK
Outputs
SMBus
T0, T1
UART
P0
P1
CP0
PCA
SPI
(P0.0-P0.7)
(P1.0-P1.7)
2
4
2
2
4
2
8
8
Figure 1.7. Digital Crossbar Diagram
Rev. 1.2
PnSKIP Registers
XBR0, XBR1,
Crossbar
Decoder
Priority
Digital
8
8
PnMDIN Registers
PnMDOUT,
Cells
Cells
I/O
I/O
P0
P1
P0.0
P0.7
P1.0
P1.7
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