Z86D86 Datasheet, PDF (35/80 Pages) Zilog, Inc. – 28-Pin Low-Voltage OTP Microcontroller

Z86D86
28-Pin Low-Voltage OTP Microcontroller
27
WDTMR (0F) 0F
D7 D6 D5 D4 D3 D2 D1 D0
WDT TAP INT RC OSC
00
5 ms min
01*
10 ms min
10
20 ms min
11
80 ms min
External Clock
256 TpC
512 TpC
1024 TpC
4096 TpC
WDT during HALT
0 = OFF
1 = ON*
WDT during STOP
0 = OFF
1 = ON*
XTAL/INT RC Select for WDT
0 = RC OSC
1 = XTAL
Reserved (must be 0)
* Default setting after reset
Figure 19. Watch-Dog Timer Register—(0F) 0FH: Write Only
PCON (FH) 00H
D7 D6 D5 D4 D3 D2 D1 D0
*Default setting after reset
Comparator Output Port 3
0 P34, P37, Standard Output*
1 P34, P37, Comparator Output
Reserved (must be 1)
Port 0
0 = Open-drain
1 = Push-pull*
Reserved (must be 1)
Figure 20. Port Configuration Register (PCON)—(0F) 0H: Write Only
PS008905-0105
PRELIMINARY