Z8E001 Datasheet, PDF (41/49 Pages) Zilog, Inc. – CMOS OTP Microcontroller

Zilog
PORT B - PINS 3 AND 4 CONFIGURATION
PTBIN.bit4
INT0
INT2
PTBIN.bit3
PTBDIR.bit4
M
EDGE DETECT LOGIC
U
X
PTBSF.bit4
PTBSF.bit3
PTBDIR.bit3
Z8E001
CMOS OTP Microcontroller
AN IN
+ ^REF
PTBDIR.bit3
PTBOUT.bit3
PTBDIR.bit4
PTBOUT.bit4
DS97Z8X1300
Figure 36. Port B Pins 3 and 4 Diagram
PRELIMINARY
PB3
PIN
PB4
PIN
41