M
1
6
C
2 /
8
G
o r
u
p
(
M
1
6
C
TxD output
Monitor output
RxD input
(1) In this example, a selector controls the input voltage applied to CNVss to switch
between single-chip mode and standard serial I/O mode.
NOTES:
1. Set the following, either or both.
- Connect the CE pin to Vcc
- Connect the RP pin to Vss and the P1
Figure 18.19 Circuit Application in Standard Serial I/O Mode 2
R
e
. v
2
0 .
0
J
a
. n
3
, 1
2
0
0
7
R
E
J
0
9
B
0
0
4
7
0 -
2
0
0
2 /
, 8
M
1
6
C
2 /
8
) B
page 326
f o
3
8
5
Microcomputer
SCLK
TxD
BUSY
RxD
pin to Vcc
6
18. Flash Memory Version
(1)
P8
(CE)
6
(1)
P1
6
CNVss
P8
(RP)
5
(1)