Renesas M16C FAMILY Hardware Manual page 178

Under development
Preliminary specification
Specifications in this manual are tentative and subject to change.
R8C/11 Group
• Example of Circuit Application in the Standard Serial I/O Mode
Figures 17.13 and 17.14 show examples of circuit application in standard serial I/O mode 1 and
mode 2, respectively. Refer to the serial programmer manual of your programmer to handle pins
controlled by the programmer.
(1) Control pins and external circuitry will vary according to programmer.
For more information, see the programmer manual.
(2) In this example, modes are switched between single-chip mode and
Figure 17.12 Circuit Application in Standard Serial I/O Mode 1
Data output
Data input
(1) In this example, modes are switched between single-chip mode and standard
serial input/output mode by controlling the MODE input with a switch.
Figure 17.13 Circuit Application in Standard Serial I/O Mode 2
Rev.0.91 2003 Sep 08
MODE
input/output
CNVss input
Data output
Data input
Reset input
User reset
signal
standard serial input/output mode by connecting a programmer.
page 168 of 184
17.5 Standard Serial I/O Mode
Microcomputer
MODE
CNVss
TxD
RxD
RESET
Microcomputer
CNVss
TxD
RxD
MODE