Intel 8XC196NT User Manual page 395

8XC196NT USER'S MANUAL
A B C
RXD
V
CC
1.8kΩ
TXD
1.8kΩ
Figure 15-14. Serial Port Programming Mode Circuit
15-32
30 pF
XTAL1
V
CC
V
P0.7/PMODE.3
P0.6/PMODE.2
P0.5/PMODE.1
P0.4/PMODE.0
ANGND
V
PP
V
EA#
CC
V
0.01 µF
2N2222A
1.8kΩ
2N2907
1.8kΩ
1N914
30 pF
XTAL2
RESET#
REF
NMI
V
READY/P5.6
BUSWIDTH/5.7
P2.1/RXD
P2.0/TXD
PP
87C196 Device
1N914
1.8kΩ
10 µF
CC
5
9
4
8
RXD
3
7
TXD
2
6
1
10µF
A0298-04