z89138 ZiLOG Semiconductor, z89138 Datasheet - Page 27

• Manufacturer Part Number: z89138
• Description: Voice Processing Controllers
• Manufacturer: ZiLOG Semiconductor

Zilog
DS97TAD0201
Recovery Source
From Stop Mode
P31 (AN1)
P32 (AN2)
P33 (REF)
Z89138/139
MCU
Figure 14. Port 3 Configuration
+
+
-
-
P R E L I M I N A R Y
1
2
3
4
5
6
7
R247 = P3M
DIG.
AN.
D1
Port 3
(I/O or Control)
1 = Analog
0 = Digital
IRQ2, T
Latch
IRQ0, P32 Data Latch
IRQ1, P33 Data Latch
Voice Processing Controllers
IN
, P31 Data
Z89138/Z89139
27
1