Z89175 Datasheet, PDF (27/68 Pages) Zilog, Inc. – Voice Processing Controllers

Zilog
1
2
Z89175/176 ³
MCU
4
5
6
7
Z89175/Z89176
Voice Processing Controllers
2
Port 3
(I/O or Control)
P31 (AN1)
P32 (AN2)
P33 (REF)
From Stop Mode
Recovery Source
R247 = P3M
D1
DIG.
+
AN.
-
1 = Analog
0 = Digital
IRQ2, T_IN, P31 Data
Latch
IRQ0, P32 Data Latch
+
-
IRQ1, P33 Data Latch
Figure 14. Port 3 Configuration
DS97TAD0100
PRELIMINARY
27