Z86E3116SSG Datasheet, PDF (29/64 Pages) Zilog, Inc. – Z8 4K OTP MICROCONTROLLER

Zilog
Z86E40
MCU
Port 3
(I/O or Control)
Z86E30/E31/E40
Z8 4K OTP Microcontroller
1
Pin
P30
P31
P32
P33
P34
P35
P36
P37
P30
P31 (AN1)
Auto Latch
R ≈ 500 KΩ
R247 = P3M
1 = Analog
D1
0 = Digital
P30 Data
Latch IRQ3
DIG.
+
AN.
-
IRQ2, Tin, P31 Data Latch
P32 (AN2)
+
P33 (REF)
-
IRQ0, P32 Data Latch
From Stop Mode
Recovery Source
IRQ1, P33 Data Latch
Figure 21. Port 3 Configuration
I/O
IN
IN
IN
IN
OUT
OUT
OUT
OUT
CTC1
T_IN
T_OUT
Table 9. Port 3 Pin Assignments
Analog
AN1
AN2
REF
AN1-Out
An2-Out
Interrupt
IRQ3
IRQ2
IRQ0
IRQ1
P0 HS
D/R
R/D
P1 HS
D/R
D/R
R/D
R/D
P2 HS
Ext
/DM
DS97Z8X0502
PRELIMINARY
29