Z86L79 Datasheet, PDF (17/58 Pages) Zilog, Inc. – Low-Voltage Microcontroller

Zilog
Z86L79/80
Low-Voltage Microcontroller
Reset. Program execution begins at location 000CH, 5-10 not reset WDTMR, SMR, P2M or P3M registers on a Stop-
TpC cycles after the RST is released. For Power-On Re- Mode Recovery operation either from WDT or the pro-
set, the typical reset output time is 5 ms. The Z86L7X does grammed STOP mode recovery source.
1
P31 (AN1)
Pref1
Z86L7X
MCU
Pref1
P31
P32
P33
Port 3
(I/O or Handshake)
P34
P35
P36
P37
200 KΩ
Mask
Option
Note:
P31, 32, 33 have a 200 KΩ
mask option.
R247 = P3M
D1
1 = Analog
0 = Digital
DIG.
+
AN.
-
IRQ2, P31 Data Latch
P32 (AN2)
+
P33 (REF2)
-
IRQ0, P32 Data Latch
From Stop-Mode
Recovery Source
IRQ1, P33 Data Latch
Figure 12. Port 3 Configuration
PRELIMINARY
3-17