2

2.1 2.2 2.3 2.3

2.1 2.1.1 a b c

(a)DIP: Dual In-line Package(b)PDIP: Plastic Dual In-line Package(c)SDIP: Shrink Dual In-line Package

d e f

(d)PLCC: Plastic Leaded Chip Carrier(e)QFP: Quad Flat Package(f) LQFP: Low Quad Flat Package

g h i

(g) (TSOP: Thin Small Outline Package)(h) (SOIC: Small Outline Integrated Circuit Package) (i) HVQFN : heatsink very thin quad flat pack no leads

2.1.2 I/O

2-2 MCU

1. CPU ROMRAM1 IntelMCS-51961664KB64KB128KB

2 Motorola1664KBIntelMCS-51MOVCMOVX

2. IO1 IOIOIOIntel80x86INOUTIntelMCUIO2 MotorolaMCUIO

3. 80x86PentiumCPUIOIntelMCURAMMOV Motorola MCU

2.1.3 CPUI/O/2-2

1CPU CPUCPU4816328CPU 2-3

2-3 8CPU

1 ALUAGRTRPSW A (Accumulator)TR (Temporary Register) ALU (Arithmetic and Logical Unit)ATRPSW (Program Status Word) GR (Generalpurpose Register)

2 PC (Program Counter)IR (Instruction Register)ID (Instruction Decoder) (Clock System)(Pulse Distributor)

ID

2 (1) RAM (Random Access Memory) (2) ROM (Read Only Memory) 2n n 168ROM0000HFFFFH64KB ROMRAMROMRAM

3 CPU :CPUIOCPUIOIO

CPU

4IO IOIOCPUIOCPUTxDRxDCPUIO

5/

. CPU

. 2.2.1. T fOSC . .

MCS-1 12 MHz MHz MCS-1 12 MHz MIPS million instructions per secondCCPU RISC AT90SXXXX

2. 2. 2 PC -

- MCS-51

.

2. 3. 1 CPU - ab c

- MCS-51

2. 3. 2 ROM MCS-51 0000H M68HC08$FFFE $FFFFPC

2. 3. 3 CHMOS . RAM SFR VCC RAM . CPU CPU CPU RAM SFR

CHMOS CPU C RST MCS-51 CHMOS 11 20mA 1.7 5mA 5 50A

2. 3. 4 ROM one time programmable OTP ROM EPROM E2PROM Flash Memory ROM

ROM OTP ROM EPROM OTP PROM EPROM

E2PROM EPROM Flash Memory Flash CPU E2PROM Flash Memory

. 2.4.1 P89LPC936 Intel MCS-51 80C51 Philips LPC90080C51 DIP TSSOP PLCC HVQFN - Flash V Flash E2PROM 128256768 SRAM

- LPC900

- P89LPC936

P89LPC936 :. 16KB Flash KB 256 RAM 512 RAM 512 E2 PROM . 16 PWM

. 28 TSSOP PLCC HVQFN 23 IO IO 26 4 8 2248 AD 2 CCU PWM I2C SPI

. RC RC Flash kHz MHz VDD . .V IO V .V . EPROM Flash ICP FlashFlash ISP Flash IAP

2. 4. 2 MC68HC908GP32 Motorola (Freescale)1999 M68HC08 PLL kHz MHz Flash M HC MHCCPU M HC C

MC HCGP M HC MC HCGP PDIP SDIP QFP - C D IO - *

2-8MC68HC908GP32

- MC68HC908GP32