C8051F124-TB Silicon Laboratories Inc, C8051F124-TB Datasheet - Page 127
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C8051F124-TB
Manufacturer Part Number
C8051F124-TB
Description
BOARD PROTOTYPING W/C8051F124
Manufacturer
Silicon Laboratories Inc
Specifications of C8051F124-TB
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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11. CIP-51 Microcontroller
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
five 16-bit counter/timers (see description in
tion 21
space (see
includes on-chip debug hardware (see description in
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 11.1 for a block diagram).
-
-
-
-
The CIP-51 includes the following features:
Performance
The CIP-51 employs a pipelined architecture that greatly increases its instruction throughput over the stan-
dard 8051 architecture. In a standard 8051, all instructions except for MUL and DIV take 12 or 24 system
clock cycles to execute, and usually have a maximum system clock of 12 MHz. By contrast, the CIP-51
core executes 70% of its instructions in one or two system clock cycles, with no instructions taking more
than eight system clock cycles.
With the CIP-51's system clock running at 100 MHz, it has a peak throughput of 100 MIPS. The CIP-51
has a total of 109 instructions. The table below shows the total number of instructions that require each
execution time.
Number of Instructions
Fully Compatible with MCS-51 Instruction Set
100 or 50 MIPS Peak Using the On-Chip PLL
256 Bytes of Internal RAM
8/4 Byte-Wide I/O Ports
Clocks to Execute
and
Section 11.2.6
Section 22
), 256 bytes of internal RAM, 128 byte Special Function Register (SFR) address
), and 8/4 byte-wide I/O Ports (see description in
26
1
50
2
Section 23
2/3
Rev. 1.4
5
Section 25
-
-
-
-
-
C8051F120/1/2/3/4/5/6/7
), two full-duplex UARTs (see description in
14
3
Extended Interrupt Handler
Reset Input
Power Management Modes
On-chip Debug Logic
Program and Data Memory Security
), and interfaces directly with the MCU’s
3/4
7
C8051F130/1/2/3
4
3
Section 18
4/5
1
). The CIP-51 also
5
2
8
1
Sec-
127
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