TMP91C824
91C824-206
2008-02-20
(10)
PAGE register setting (for PAGE0/1)
7
6
5
4
3
2
1
0
Bit symbol
INTENA
ADJUST
ENATMR
ENAALM
PAGE
PAGER
(0327H)
Read/Write R/W
W
R/W
R/W
After reset
0
Undefined
Undefined
Undefined
Read-modify
write
instruction
are
prohibited
Function
INTRTC
0: Disable
1: Enable
“0” is read.
0:Don’t care
1:Adjust
Clock
0: Disable
1: Enable
ALARM
0: Disable
1: Enable
“0” is read.
PAGE
selection
Note:
Pleas keep the setting order below and don’t set same time.
(Set difference time to Clock/Alarm setting and interrupt setting)
(Example) Clock setting/Alarm setting
ld
(pager), 0ch
:
Clock, Alarm enable
ld
(pager), 8ch
:
Interrupt enable
0 Select
Page0
PAGE
1 Select
Page1
0 Don’t
care
ADJUST
1
Adjust sec. counter.
When set this bit to “1” the sec. counter become to
“0” when the value of sec. counter is 0 – 29. And in
case that value of sec. counter is 30-59, min.
counter is carried and become sec. counter to "0".
Output Adjust signal during 1 cycle of f
SYS
. After
being adjusted once, Adjust is released
automatically.
(PAGE0 only)
(11)
Reset register setting (for PAGE0/1)
7 6 5 4 3 2 1 0
Bit
symbol
DIS1Hz
DIS16Hz
RSTTMR
RSTALM
RE3 RE2 RE1 RE0
RESTR
(1328H)
Read/Write W
After reset
Undefined
Read-modify
write
instruction
are
prohibited
Function 1Hz
0: Enable
1: Disable
16Hz
0: Enable
1: Disable
1: Clock
reset
1:
Alarm reset
Always write “0”
0 Unused
RSTALM
1
Reset alarm register
Note: When write “1”, reset alarm during 1 cycle of f
SYS
. After that, reset is released automatically.
0 Unused
RSTTMR
1
Reset divider
Note: When write “1”, reset alarm during 1 cycle of f
SYS
. After that, reset is released automatically.
<DIS1HZ> <DIS16HZ>
(PAGER)
<ENAALM>
Source signal
1 1 1 Alarm
0 1 0
1Hz
1 0 0 16Hz
Others Output
“0”