W741L250 Datasheet, PDF (57/86 Pages) Winbond – 4-BIT MICROCONTROLLER

W741L250
Instruction Set Table 2, continued
MOV HEF, #I
Set/Reset Hold mode release Enable Flag
Machine Code:
01000001
I7 I6 I5 I4 I3 I2 I1 I0
Machine Cycle:
Operation:
Description:
1
Hold mode release enable flag control
I0 to I7
I0 = 1
Operation
HEF0 is set so that overflow from Divider 0 will cause the
HOLD mode to be released.
I1 = 1
I2 = 1
HEF1 is set so that underflow from Timer 0 will cause the
HOLD mode to be released.
HEF2 is set so that signal change on port RC will cause the
HOLD mode to be released.
I3 = 1 Reserved
I4 = 1
HEF4 is set so that the falling edge signal on the INT pin
will cause the HOLD mode to be released.
I5 & I6 Reserved
I7 = 1 ^{HEF7 is set so that underflow from Timer 1 will cause the}
HOLD mode to be released.
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Publication Release Date: March 1998
Revision A2