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(3) Shortening oscillation stabilization time of main clock oscillation after release of reset
OSTS0
Option to Shorten Oscillation Stabilization Time of Main Clock Oscillation After Release of Reset
0
Shorten oscillation stabilization
time.
1
Do not shorten oscillation
stabilization time.
25.2 Option Byte (Flash Memory Versions)
The flash memory versions (
by using an option byte (except the pull-up resistor option).
The option byte is stored in address 000007AH of the internal flash memory (internal ROM area) as 8-bit data.
Address:
−
OSTS0
0
1
RSTP
0
1
Notes 1. For details of the option, refer to 25.1 (3) Shortening oscillation stabilization time of main clock
oscillation after release of reset.
2. For details of the option, refer to Table 25-1 Option to Enable/Disable Stopping of Internal
Oscillator by Software.
CHAPTER 25 MASK OPTION/OPTION BYTE
(Default Value of OSTS Register)
00H
01H
μ
PD70F3302 and 70F3302Y) can realize the mask options of the mask ROM version
0000007AH
−
−
OSTS0
Note 1
Option to shorten oscillation stabilization time of main clock oscillation
Shorten oscillation stabilization time (default value of OSTS register =
00H)
Do not shorten oscillation stabilization time (default value of OSTS
register = 01H)
Note 2
Option to enable/disable stopping internal oscillator by software
Can be stopped by software
Cannot be stopped by software
User's Manual U16896EJ2V0UD
−
−
after release of reset
Oscillation Stabilization Time
13
2
/f
X
15
2
/f
X
−
RSTP
625
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