Z86D86 Datasheet, PDF (47/80 Pages) Zilog, Inc. – 28-Pin Low-Voltage OTP Microcontroller

Z86D86
28-Pin Low-Voltage OTP Microcontroller
39
Capture_INT_Mask
Set this bit to allow an interrupt when data is captured into either LO8 or HI8 upon
a positive or negative edge detection in demodulation mode.
Counter_INT_Mask
Set this bit to allow an interrupt when T8 has a time-out.
P34_Out
This bit defines whether P34 is used as a normal output pin or the T8 output.
CTR1 Counter/Timer T8 and T16 Common Control Register
This register controls the functions in common with the T8 and T16. See Table 19.
Field
Mode
Table 19. CTR1(D)01h Register
Bit Position
7-------
Value
R/W 0*
P36_Out/Demodulator_Input
T8/T16_Logic/Edge _Detect
-6------
--54----
R/W
0*
1
0
1
R/W
00
01
10
11
00
01
10
11
Description
Transmit Mode
Demodulation Mode
Transmit Mode
Port Output
T8/T16 Output
Demodulation Mode
P31
P20
Transmit Mode
AND
OR
NOR
NAND
Demodulation Mode
Falling Edge
Rising Edge
Both Edges
Reserved
PS008905-0105
PRELIMINARY