MAX6951EEE 데이터 시트보기 (PDF) - Maxim Integrated

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MAX6951EEE

Serially Interfaced, +2.7V to +5.5V, 5- and 8-Digit LED Display Drivers

Maxim Integrated 

Serially Interfaced, +2.7V to +5.5V,

5- and 8-Digit LED Display Drivers

Table 5. Configuration Register Format

MODE

ADDRESS

REGISTER DATA

CODE (HEX)

D7

D6

D5

D4

D3

D2

D1

D0

Configuration register

0x04

X

X

R

T

E

B

0

S

Table 6. Shutdown Control (S Data Bit D0) Format

MODE

Shutdown

Normal operation

ADDRESS

REGISTER DATA

CODE (HEX)

D7

D6

D5

D4

D3

D2

D1

D0

0x04

X

X

R

T

E

B

0

0

0x04

X

X

R

T

E

B

0

1

Table 7. Blink Rate Selection (B Data Bit D2) Format

MODE

ADDRESS

REGISTER DATA

CODE (HEX)

D7

D6

D5

D4

D3

D2

D1

D0

Slow-blinking segments

blink on for 1s, off for 1s

with fOSC = 4MHz

0x04

X

X

R

T

E

0

0

S

Fast-blinking segments

blink on for 0.5s, off for

0.5s with fOSC = 4MHz

0x04

X

X

R

T

E

1

0

S

Table 8. Global Blink Enable/Disable (E Data Bit D3) Format

MODE

Blink function is

disabled

Blink function is

enabled

ADDRESS

REGISTER DATA

CODE (HEX)

D7

D6

D5

D4

D3

D2

D1

D0

0x04

X

X

R

T

0

B

0

S

0x04

X

X

R

T

1

B

0

S

Table 9. Global Blink Timing Synchronization (T Data Bit D4) Format

MODE

ADDRESS

REGISTER DATA

CODE (HEX)

D7

D6

D5

D4

D3

D2

D1

D0

Blink timing counters

are unaffected

0x04

X

X

R

0

E

B

0

S

Blink timing counters

are cleared on the

rising edge of CS

0x04

X

X

R

1

E

B

0

S

Each LED digit is represented by 2 bytes of memory, 1

byte in plane P0 and the other in plane P1. Each LED

digit’s segment is represented by 2 bits of memory, 1

bit from the appropriate byte in each plane. The digit

registers are mapped so that a digit’s data can be

updated in plane P0, or plane P1, or both planes at the

same time (Table 3).

10 ______________________________________________________________________________________

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