Toshiba H1 Series Data Book page 734

(13) Clock gear, PLL
Symbol Name
Address
System
clock
SYSCR0 10E0H
control
register0
System
clock
SYSCR1 10E1H
control
register1
System
clock
SYSCR2 10E2H
control
register2
EMC
EMCCR0 control 10E3H
register0
EMC
EMCCR1 control 10E4H
register1
EMC
EMCCR2 control 10E5H
register2
PLL
PLLCR0 control 10E8H
register0
PLL
PLLCR1 control 10E9H
register1
7 6 5
XTEN
USBCLK1
R/W
1 0
Low Select the clock of
USB(f
-frequency
oscillator 00: Disable
circuit (fs)
01: Reserved
0: Stop
10: X1USB
1:
11: f
PLLUSB
Oscillation
−
CKOSEL WUPTM1 WUPTM0
0 1
0
Always Select Warm-Up Timer
write "0". CLKOUT
00: Reserved
0: f 8
01: 2
SYS
1: fs 14
10:2
16
11:2
PROTECT
R
0
Protect flag
0: OFF
1: ON
Switching the protect ON/OFF by write to following 1
st
1 -KEY: EMCCR1=5AH,EMCCR2=A5H in succession write
nd
2 -KEY: EMCCR1=A5H,EMCCR2=5AH in succession write
FCSEL LUPFG
R/W R
0 0
Lock-up
Select fc
clock timer
0 : f Status flag
OSCH
1 : f 0 : not end
PLL
1 : end
PLL0 PLL1 LUPSEL
R/W
0 0 0
PLL0 for PLL1 for Select
CPU USB stage of
Lock up
0: Off 0: Off
counter
1: On 1: On
0: 12 stage
(for PLL0)
1:13 stage
(for PLL1)
92CZ26A-731
4 3
USBCLK0
0
)
USB
HALTM1
R/W
0 1
HALT mode
00: Reserved
/inputted frequency 01: STOP mode
/inputted frequency 10: IDLE1 mode
/inputted frequency 11: IDLE2 mode
−
R/W
0
Always
write "0".
TMP92CZ26A
2 1
WUEF PRCK
R/W R/W
0
Warm-up Select
timer
Prescaler
clock
0: f
SYS
1: f
SYS
GEAR2 GEAR1 GEAR0
R/W
1 0
Select gear value of high
frequency (fc)
000: fc 101: (Reserved)
001: fc/2 110: (Reserved)
010: fc/4 111: (Reserved)
011: fc/8 100: fc/16
HALTM0
1
EXTIN
DRVOSCH DRVOSCL
R/W R/W R/W
0 1
1: External fc oscillator fs oscillator
clock drive ability drive ability
1: NORMAL 1: NORMAL
0: WEAK 0: WEAK
st nd
-KEY,2 -KEY
PLLTIMES
R/W
Select the
number of
PLL
0: ×12
1: ×16
0
0
/2
/8
0
1
0