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TMP92CM22
2007-02-16
92CM22-240
(5) Clock gear
Symbol Name Address 7 6 5 4 3 2 1 0
− −
R/W R/W
1 0
SYSCR0
System
clock
control 0
10E0H
Always
write “1”.
Always
write “0”.
− GEAR2 GEAR1 GEAR0
R/W
0 1 0 0
SYSCR1
System
clock
control 1
10E1H
Always
write “0”.
Select gear value of high frequency
(fc)
000: fc
001: fc/2
010: fc/4
011: fc/8
100: fc/16
101: (Reserved)
110: (Reserved)
111: (Reserved)
− WUPTM1 WUPTM0 HALTM1 HALTM0 SELDRV DRVE
R/W R/W
0 1 0 1 1 0 0
SYSCR2
System
clock
control 2
10E2H
Always
write “0”.
Warm-up timer
00:
Reserved
01: 2
8
/input frequency
10: 2
14
/input frequency
11: 2
16
/input frequency
HALT mode
00: Reserved
01: STOP mode
10: IDLE1 mode
11: IDLE2 mode
<DRVE>
mode
select
0: STOP
1: IDLE1
Pin state
control in
STOP
mode
0: I/O off
1: Remains
the state
before
halt
PLLON FCSEL LWUPFG
R/W R
0 0 0
PLLCR
PLL
control
10E8H
0: PLL off
1: PLL on
fc select
0: OSCH
1: PLL (x4)
PLL
warm-up
flag
0: Don’t
end
warm up
1: End
warm up
PROTECT EXTIN DRVOSCH −
R R/W
0 0 1 1
EMCCR0
EMC
control
register 0
10E3H
Protect
flag
0: OFF
1: ON
1: External
clock
fc oscillator
driver ability
1: NORMAL
0: WEAK
Always
write “1”.
EMCCR1
EMC
control
register 1
10E4H
EMCCR2
EMC
control
register 2
10E5H
Switching the protect ON/OFF by write to following 1st-KEY, 2nd-KEY
1st-KEY: EMCCR1 = 5AH, EMCCR2 = A5H in succession write
2nd-KEY: EMCCR1 = A5H, EMCCR2 = 5AH in succession write