W741E20X Datasheet, PDF (55/84 Pages) Winbond – 4-BIT FLASH MICROCONTROLLER

Preliminary W741E20X
Instruction Set Table 2, continued
MOV MR0, #I
Load immediate data to Mode Register 0 (MR0)
Machine Code:
Machine Cycle:
Operation:
Description:
00010011
1 0 0 0 I3 I2 I1 I0
1
MR0 ← I
The immediate data I are loaded to the MR0.
MR0 bits description:
bit 0 ^{= 0 The fundamental frequency of Timer 0 is Fosc/4}
= 1 The fundamental frequency of Timer 0 is Fosc/1024
bit 1 Reserved
bit 2 Reserved
bit 3
= 0 Timer 0 stop down-counting
= 1 Timer 0 start down-counting
MOV MR1, #I
Load immediate data to Mode Register 1 (MR1)
Machine Code:
Machine Cycle:
Operation:
Description:
00010011
0 0 0 0 I3 I2 I1 I0
1
MR1 ← I
The immediate data I are loaded to the MR1.
MR1 bit description:
bit0
= 0 The internal fundamental frequency of Timer 1 is Fosc
= 1 The internal fundamental frequency of Timer 1 is Fosc/64
= 0 The fundamental frequency source of Timer 1 is
bit1
internal clock
= 1 The fundamental frequency source of Timer 1 is
external clock via RC.0 input pin
= 0 The specified waveform of the MFP generator is
bit2
delivered at the MFP output pin
= 1 The specified frequency of the Timer 1 is delivered at
the MFP output pin
bit3
= 0 Timer 1 stop down-counting
= 1 Timer 1 start down-counting
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Publication Release Date: March 1998
Revision A1