IBM EM78M611E manual Block Diagram, ALU ACC Data & Control BUS

Page 11

EM78M611E

Universal Serial Bus Series Microcontroller

7 Block Diagram

OSCI

OSCO

VDD V3.3

Built-in

Oscillator

3.3V

Timing

Regulator

RC

Control

Prescaler

Prescaler

WDT

TCC

RAM

Reset,

Sleep &

Wake-up

WDT

R1

Control

Timer

(TCC)

R4

(RSR)

D+ D-

Transceiver

USB

Device

Controller

Interrupt

Control

R2

(PC)

ROM

Instruction

Register

Instruction

Decoder

Stack 1

Stack 2

Stack 3

Stack 4

Stack 5

Stack 6

Stack 7

Stack 8

R3

(Status)

ALU

ACC

DATA & CONTROL BUS

I/O

Port 7

P74/D+/Clk P75/D-/Data

P70 P71 P72

P76

P77

I/O

Port 9

P90

P91

P92

P93

P94

P95

P96

P97

I/O

Port 8

P80

P81

P82

P83

P84

P85

P86

P87

I/O

Port 6

P60

P61

P62

P63

P64

P65

P66

P67

I/O

Port 5

P50

P51

P52

P53

P54

P55

P56

P57

Product Specification (V1.11) 04.20.2007

• 7

(This specification is subject to change without further notice)

Image 11

Contents EM78M611E Trademark Acknowledgments 2.1 Appendix Product Specification V1.1Universal Serial Bus Series Microcontroller FeaturesGeneral Description Product Specification V1.1 Original With Both Type DefinitionApplication VNN Pin AssignmentEM78M611EXBP/BM/DM 20-Pin DIP/SOP/SSOP Pin Description Symbol FunctionALU ACC Data & Control BUS Block DiagramProgram Memory Function DescriptionSpecial Purpose Register Data MemoryOperation Registers 2.2 R1 Timer / Clock Counter Default Value 0B000000002.3 R2 Program Counter & Stack Default Value 0B00000000 Bit 2.4 R3 Status Register Default Value0B00011XXXR3 0 Carry/Borrow Flag Program Memory Page Address Condition2.5 R4 RAM Select Register Default Value 0B00XXXXXX EP0Busy Stall RF Interrupt Status Register Default Value 0B00000000Accumulator Control RegistersTCC Rate WDT Rate Control Register Default Value 0B00111111PS/2 Operation ModePH95 PH93 DualFrq.1 DualFrq.0 FrequencyBit P96 P95 P94 P93 P92 P91 P90 PU8 PU6 PU5 USB Application FIFOs Extra Control RegisterUSB Device Controller USB ApplicationSaving Power Mode ResetInterrupt Dual Clock ModeFunction Description Pattern Detect Application PDASampling Rate and Debounce Length Control RegisterSR.2 SR.1 SR.0 Sampling Rate DB.2 DB.1 DB.0 Debounce TimeR10 PWM1 Duty Cycle Register Erepwm Control Register Default Value 0B00000001Pulse Width Modulation PWM Duty CycleClock Hz Period/255 s ERA AD Channel Select Register Default Value 0B00011111Analog-To-Digital Converter ADC Channel Port ERB AD LSB Data Register Default Value 0B00000000Command Value Action Execution Time ERC AD MSB Data Register Default Value 0B00000000ERD AD Control Register Default Value 0B00000000 Absolute Maximum Ratings DC Electrical CharacteristicSymbol Min Max Unit Symbol Parameter Condition Min Type Max UnitUSB Interface Application Circuit Operation Registers Address Name Bit Bit1 Default ValueSpecial Register Map Extra Register IOCA3 = Address Name Bit Default ValueBinary Instruction Hex Mnemonic Operation Status Affected Instruction SetThis instruction is not recommended for RE, RF operation 11 16ms Bits 4~12 User ID Address Code Option RegisterAddress EM78M611E