SM5L1 データシートの表示（PDF） - Sharp Electronics

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SM5L1

4-Bit Single Chip Microcomputers

Sharp Electronics 

4-Bit Single Chip Microcomputers

BLOCK DIAGRAM

SM5L1/SM5L2/SM5L3

ROM

2,048-BYTE (SM5L1)

3,072-BYTE (SM5L2)

4,096-BYTE (SM5L3)

RAM

48 x 4-BIT (SM5L1)

96 x 4-BIT (SM5L2)

128 x 4-BIT (SM5L3)

DISP RAM

21 x 4-BIT (SM5L1)

34 x 4-BIT (SM5L2)

42 x 4-BIT (SM5L3)

RD

RE

RF

ACC

X

C

PC

B

SR x 4

SB

ALU

DDC

HC

INTA

OSCIN

OSCOUT

CK2

RESET

T

T1

T2

VM

GND

OSC

IFA

IFD

DIVIDER

INTERRUPT

CONTROLLER

HARDWARE

RESET

CIRCUIT

STANDBY

CONTROLLER

MEMORY

CONTROLLER

MELODY ROM

6 x 160-STEP

(SM5L1)

6 x 256-STEP

(SM5L2/5L3)

P0

P1

P2

P00 P01 P02 P03 P10 P11 P12 P13 P20 P21 P22 P23

F

NOTE: Symbol descriptions

ACC: Accumulator

ALU: Arithmetic logic unit

B: RAM address register

C: Carry flag

DDC: Display boost circuit

HC: Common signal generator circuit

IFA: External interrupt flag

IFD: Divider overflow flag

OSC: System clock oscillator

P0 - P2: Port registers

PC: Program counter

RAM: Data memory

RD, RE, RF: Mode registers

ROM: Program memory

SB: Stack B register

SR: PC stack register

X: X register

Figure 4. SM5L1/SM5L2/SM5L3 Block Diagram

VDD

DDC

VCC

H0

H1

H2

H3

S0

S1

S2

S3

S4

S5

S6

S7

S8

S9

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20 (SM5L1)

S33 (SM5L2)

S41 (SM5L3)

5L1-4

Microcomputer Data Sheet

5

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