MC-78F0712-KIT Renesas Electronics America, MC-78F0712-KIT Datasheet - Page 311

• Manufacturer Part Number: MC-78F0712-KIT
• Description: KIT REF SYSTEM 78K0 UPD78F0712
• Manufacturer: Renesas Electronics America

Specifications of MC-78F0712-KIT

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

byte.
the option bytes.
Address: 0080H
The PD78F0711 and 78F0712 can realize selection to stop or enable internal low-speed oscillator with an option
Option bytes are prepared at address 0080H in the flash memory.
When using flash memory version products, be sure to set to enable/disable to stop internal low-speed oscillator to
0 0 8 0 H
0 0 0 0 H
Caution Be sure to clear bits 2 to 7 to 0.
Remark An example of software coding for setting the option bytes is shown below.
OPT
OPTION:
LSROSC
OSCSEL
7
0
1
0
1
Flash memory
CSEG
DB
X1 clock (crystal/ceramic oscillation clock)
Internal high-speed oscillation clock
Can be stopped by software
Cannot be stopped
6
AT 0080H
01H
Figure 21-1. Allocation of Option Bytes
Figure 21-2. Format of Option Bytes
CHAPTER 21 OPTION BYTES
5
User’s Manual U17890EJ2V0UD
; Set to option byte
(Internal low-speed oscillator cannot be stopped, and
X1 clock is selected as high-speed system clock)
Internal low-speed oscillator operation
High-speed system clock sellection
Option bytes
4
–
–
3
–
–
2
–
OSCSEL
–
1
OSCSEL LSROSC
LSROSC
0
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