C8051F120-TB Silicon Laboratories Inc, C8051F120-TB Datasheet - Page 33
C8051F120-TB
Manufacturer Part Number
C8051F120-TB
Description
BOARD PROTOTYPING W/C8051F120
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F120-TB
Contents
Board
Processor To Be Evaluated
C8051F12x and C8051F13x
Interface Type
USB
Silicon Manufacturer
Silicon Labs
Core Architecture
8051
Silicon Core Number
C8051F120
Silicon Family Name
C8051F12x
Kit Contents
Board
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F120
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
C8051F120-TB
Manufacturer:
Silicon Labs
Quantity:
135
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1.6.
An on-board Programmable Counter/Timer Array (PCA) is included in addition to the five 16-bit general
purpose counter/timers. The PCA consists of a dedicated 16-bit counter/timer time base with 6 program-
mable capture/compare modules. The timebase is clocked from one of six sources: the system clock
divided by 12, the system clock divided by 4, Timer 0 overflow, an External Clock Input (ECI pin), the sys-
tem clock, or the external oscillator source divided by 8.
Each capture/compare module can be configured to operate in one of six modes: Edge-Triggered Capture,
Software Timer, High Speed Output, Frequency Output, 8-Bit Pulse Width Modulator, or 16-Bit Pulse Width
Modulator. The PCA Capture/Compare Module I/O and External Clock Input are routed to the MCU Port I/
O via the Digital Crossbar.
1.7.
Serial peripherals included on the devices are two Enhanced Full-Duplex UARTs, SPI Bus, and SMBus/
I2C. Each of the serial buses is fully implemented in hardware and makes extensive use of the CIP-51's
interrupts, thus requiring very little intervention by the CPU. The serial buses do not "share" resources
such as timers, interrupts, or Port I/O, so any or all of the serial buses may be used together with any other.
Programmable Counter Array
Serial Ports
Capture/Compare
Module 0
SYSCLK/12
Timer 0 Overflow
SYSCLK
External Clock/8
SYSCLK/4
ECI
Capture/Compare
Module 1
CLOCK
MUX
PCA
Figure 1.12. PCA Block Diagram
16-Bit Counter/Timer
Capture/Compare
Module 2
Crossbar
Port I/O
Rev. 1.4
C8051F120/1/2/3/4/5/6/7
Capture/Compare
Module 3
C8051F130/1/2/3
Capture/Compare
Module 4
Capture/Compare
Module 5
33
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