
Section 18 Clock Pulse Generator
Rev. 3.00 Mar. 14, 2006 Page 662 of 804
REJ09B0104-0300
18.1 Register
Description
The clock pulse generator has the following register.
•
System clock control register (SCKCR)
18.1.1
System Clock Control Register (SCKCR)
SCKCR controls B
φ
clock output and frequencies of the system, peripheral module, and external
clocks, and selects the B
φ
clock to be output.
Bit
Bit Name
Initial Value
R/W
15
PSTOP1
0
R/W
14
—
0
R/W
13
POSEL1
0
R/W
12
—
0
R/W
11
—
0
R/W
10
ICK2
0
R/W
9
ICK1
1
R/W
8
ICK0
0
R/W
Bit
Bit Name
Initial Value
R/W
7
—
0
R/W
6
PCK2
0
R/W
5
PCK1
1
R/W
4
PCK0
0
R/W
3
—
0
R/W
2
BCK2
0
R/W
1
BCK1
1
R/W
0
BCK0
0
R/W
Bit Bit
Name
Initial
Value R/W Description
15 PSTOP1
0
R/W
B
φ
Clock Output Enable
Controls
φ
output on PA7.
•
Normal operation
0: B
φ
output
1: Fixed high
•
Software standby mode
X: Fixed high
•
Hardware standby mode
X: Hi-Z
14
0 R/W
Reserved
This bit is always read as 0. The write value should
always be 0.
electronic components distributor
Содержание H8SX series
Страница 2: ...Rev 3 00 Mar 14 2006 Page ii of xxxviii Downloaded from Elcodis com electronic components distributor...
Страница 22: ...Rev 3 00 Mar 14 2006 Page xxii of xxxviii Downloaded from Elcodis com electronic components distributor...
Страница 32: ...Rev 3 00 Mar 14 2006 Page xxxii of xxxviii Downloaded from Elcodis com electronic components distributor...
Страница 38: ...Rev 3 00 Mar 14 2006 Page xxxviii of xxxviii Downloaded from Elcodis com electronic components distributor...
Страница 845: ...Downloaded from Elcodis com electronic components distributor...
Страница 846: ...H8SX 1520 Group Hardware Manual Downloaded from Elcodis com electronic components distributor...