EM78P569 データシートの表示（PDF） - ELAN Microelectronics

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EM78P569

8-BIT OTP MICRO-CONTROLLER

ELAN Microelectronics 

EM78P569

8-bit OTP Micro-controller

SPIW reg. : Write buffer.

The buffer will deny any write until the 8-bit shifting is complete. The SE bit will be kept in 1 if the

communication is still under going. This flag must be cleared as the shifting is finished. Users can

determine if the next write attempt is available.

SBR2 ~ SBR0: Programming the clock frequency/rates and sources.

Clock select : Selecting either the internal instruction clock or the external 16.338KHz clock as the shifting

clock.

Edge Select : Selecting the appropriate clock edges by programming the SCES bit

SCK

(SCES=0)

SCK

(SCES=1)

SDO

Bit7

Bit6 Bit5

Bit4

Bit3 Bit2

Bit1

Bit0

SDI

RBF

Shift data in

Shift data out

Clear by software

Fig.6 SPI timing

PAGE3 (PWMCON)

7

6

5

4

3

2

PWM2E PWM1E T2EN T1EN T2P1 T2P0

R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0

Bit 0 ~ Bit 1 ( T1P0 ~ T1P1 ): TMR1 clock prescale option bits.

T1P1

T1P0

Prescale

0

0

1:2(Default)

0

1

1:8

1

0

1:32

1

1

1:64

1

T1P1

R/W-0

0

T1P0

R/W-0

Bit 2 ~ Bit 3 ( T2P0 ~ T2P1 ): TMR2 clock prescale option bits.

__________________________________________________________________________________________________________________________________________________________________

* This specification is subject to be changed without notice.

14

8/19/2004 V4.4

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