C8051F320-TB Silicon Laboratories Inc, C8051F320-TB Datasheet - Page 71
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C8051F320-TB
Manufacturer Part Number
C8051F320-TB
Description
BOARD PROTOTYPING W/C8051F320
Manufacturer
Silicon Laboratories Inc
Type
MCUr
Specifications of C8051F320-TB
Contents
Board
Processor To Be Evaluated
C8051F320/F321
Interface Type
USB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
For Use With/related Products
C8051F320
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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9.
The MCU system controller core is the CIP-51 microcontroller. The CIP-51 is fully compatible with the
MCS-51™ instruction set; standard 803x/805x assemblers and compilers can be used to develop soft-
ware. The MCU family has a superset of all the peripherals included with a standard 8051. Included are
four 16-bit counter/timers (see description in Section 19), an enhanced full-duplex UART (see description
in Section 17), an Enhanced SPI (see description in Section 18), 256 bytes of internal RAM, 128 byte Spe-
cial Function Register (SFR) address space (Section 9.2.6), and 25 Port I/O (see description in Section
14). The CIP-51 also includes on-chip debug hardware (see description in Section 21), and interfaces
directly with the analog and digital subsystems providing a complete data acquisition or control-system
solution in a single integrated circuit.
The CIP-51 Microcontroller core implements the standard 8051 organization and peripherals as well as
additional custom peripherals and functions to extend its capability (see Figure 9.1 for a block diagram).
The CIP-51 includes the following features:
- Fully Compatible with MCS-51 Instruction
- 25 MIPS Peak Throughput with 25 MHz
- 0 to 25 MHz Clock Frequency
- 256 Bytes of Internal RAM
CIP-51 Microcontroller
Set
Clock
RESET
CLOCK
STOP
IDLE
ACCUMULATOR
PROGRAM COUNTER (PC)
CONTROL
Figure 9.1. CIP-51 Block Diagram
PSW
PRGM. ADDRESS REG.
LOGIC
POWER CONTROL
PC INCREMENTER
DATA POINTER
REGISTER
BUFFER
TMP1
PIPELINE
ALU
TMP2
DATA BUS
DATA BUS
Rev. 1.4
D8
D8
D8
A16
D8
D8
D8
D8
B REGISTER
- 25 Port I/O ('F320) / 21 Port I/O ('F321)
- Extended Interrupt Handler
- Reset Input
- Power Management Modes
- On-chip Debug Logic
- Program and Data Memory Security
REGISTER
INTERFACE
INTERFACE
INTERRUPT
INTERFACE
ADDRESS
MEMORY
SRAM
SFR
BUS
MEM_WRITE_DATA
SFR_WRITE_DATA
MEM_READ_DATA
STACK POINTER
(256 X 8)
SFR_READ_DATA
SRAM
MEM_CONTROL
EMULATION_IRQ
MEM_ADDRESS
SFR_CONTROL
SFR_ADDRESS
SYSTEM_IRQs
C8051F320/1
71
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