tmp19a43fzxbg TOSHIBA Semiconductor CORPORATION, tmp19a43fzxbg Datasheet - Page 21

• Manufacturer Part Number: tmp19a43fzxbg
• Description: 32bit Tx System Risc
• Manufacturer: TOSHIBA Semiconductor CORPORATION

SYSCR0
(0xFFFF_EE00) Read/Write
SYSCR1
(0xFFFF_EE01) Read/Write
SYSCR2
(0xFFFF_EE02) Read/Write
SYSCR3
(0xFFFF_EE03) Read/Write
3.3.2
Clock Generator (CG) Registers
(1) Clock-related registers
Bit Symbol
After reset
Function
Bit Symbol
After reset
Function
Bit Symbol
After reset
Function
Bit Symbol
After reset
Function
High-speed
oscillator
0: Turned off
1: Oscillating
High-speed
oscillator
driving
capability
control
0: Normal
1: Weak
DRVOSCH DRVOSCL
XEN
15
23
31
7
1
0
-
-
-
Low-speed
oscillator
0: Turned off
1: Oscillating
Low-speed
oscillator
driving
capability
control
0: Normal
1: Weak
SCOUT
output
selection
0: fs
1: fsys
SCOSEL
XTEN
R/W
14
22
30
6
0
0
0
-
TMP1942CY/CZ-20
High-speed
oscillator
after exit
from STOP
mode
0: Turned off
1: Oscillating
System
clock
selection
0: High speed
1: Low speed
Oscillator warm-up time
selection
00: 2
01: 2
10: 2
11: 2
(fc)
(fs)
WUPT1
SYSCK
RXEN
13
21
29
2
8
14
16
5
1
0
1
/input frequency
/input frequency
-
-
/input frequency
/input frequency
R/W
R/W
Low-speed
oscillator
after exit
from STOP
mode
0: Turned off
1: Oscillating
fperiph
selection
0: fgear
1: fc
ALE output
width
selection
0: fsys × 0.5
1: fsys × 1.5
ALESEL
RXTEN
WUPT0
FPSEL
R/W
12
20
28
4
0
0
0
1
R/W
Clock
selection
after exit
from STOP
mode
0: High speed
1: Low speed
High-speed
oscillator
frequency
division
selection
0: Divide by 2
1: Divide by 1
Standby mode selection
00: Reserved
01: STOP mode
10: SLEEP mode
11: IDLE mode
RSYSCK
DFOSC
STBY1
19
27
11
3
0
0
1
-
-
Oscillator
warm-up
timer (WUP)
control
Write 0:
Don't care
Write 1:
WUP start
Read 0:
WUP finished
Read 1:
WUP
operating
TMP1942CY/CZ
STBY0
WUEF
10
18
26
2
0
1
-
-
-
Prescaler clock selection
00: fperiph/4
01: fperiph/2
10: fperiph
11: (reserved)
High-speed clock (fc)
gear selection
00: fc
01: fc/2
10: fc/4
11: fc/8
Lock-up flag
0: LUP
1: LUP in
PRCK1
GEAR1
LUPFG
finished
operation
17
25
R
1
9
0
1
0
-
-
R/W
1: Pins are
Lock-up time
selection
0: 2
1: 2
frequency
frequency
PRCK0
GEAR0
also
driven in
STOP
mode.
LUPTM
DRVE
16
12
R/W
R/W
16
24
/input
/input
0
8
0
1
0
0