W536A031 Просмотр технического описания (PDF) - Winbond

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W536A031

VOICE/MELODY/LCD CONTROLLER

Winbond 

W536A031

5.3 AC Characteristics

(VDD−VSS = 3.0V, No load, FM = 4 MHz with Ring mode, Fs = 32.768 KHz, with Xtal mode, TA = 25° C, STN LCD on with dot size

0.5mm*0.5mm; unless otherwise specified)

PARAMETER

SYM. CONDITIONS

MIN. TYP. MAX. UNIT

Crystal type and X32IN

Sub-clock Frequency

FSUB and X32O with 17pF

32768

Hz

external cap.

Main-clock Frequency

FM Ring type/Crystal type 400K

-

4M Hz

Chip Operation Frequency

FOSC

SCR0.0 = 1,

FSYS = FSUB

32768

Hz

SCR0.0 = 0;

FSYS = FMAIN

400K

-

4M

Instruction Cycle Time

TCYC One machine cycle

-

4/FOSC

-

S

Reset Active Width

TRAW FOSC = 32.768 KHz

1

-

-

µS

Interrupt Active Width

TIAW FOSC = 32.768 KHz

1

-

-

µS

Main clock Ring frequency FRXIN RXIN = 680KΩ

1M

Hz

(10)

RXIN = 330K Ω

2M

RXIN = 200KΩ

3M

RXIN = 150KΩ

4M

Sub-Clock RC Oscillator

Sub-Clock Oscillation

Stable Time @ Cold Start

Frequency Deviation of

main-clock FRXIN ≤ 2MHz

FRSUB

FSTOP

∆f

f

RSUB = 680KΩ

RSUB = 680KΩ

f(3V) − f(2.4V)

f(3V)

32

0.8

KHz

1

S

10

%

Frequency Deviation of ∆f

main-clock FRXIN = 3 MHz

f

f(3V) − f(2.4V)

f(3V)

15

%

Frequency Deviation of ∆f

main-clock FRXIN = 4 MHz

f

f(3V) − f(2.4V)

f(3V)

20

%

ROSC Frequency

FROSC ROSC = 680KΩ

3

MHz

Frequency Deviation of ∆f

FROSC = 3MHz

f

f(3V) − f(2.4V)

f(3V)

7.5

%

Frame frequency

FLCD LCDM1 = 0111 b

(default)

64

Hz

Notes:

(10) The deviation will be +20% while VDD drops from 5.5V to 2.4V based on same resistor

- 11 -

Publication Release Date: May 20, 2003

Revision A2

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