
106
EPSON
S1C88409 TECHNICAL MANUAL
CHAPTER 5: PERIPHERAL CIRCUITS AND OPERATION (Clock Timer)
5.11.3 I/O memory of clock timer
Table 5.11.3.1 shows the clock timer control bits.
Table 5.11.3.1 Clock timer control bits
Address
Function
R/W
Init
0
1
Comment
Name
Bit
00FF21
8-bit programmable timer
interrupt priority register
Serial interface
interrupt priority register
Clock timer
interrupt priority register
LCD controller
interrupt priority register
R/W
0
PTM21
PTM20
PSI1
PSI0
PCTM1
PCTM0
PLCD1
PLCD0
D7
D6
D5
D4
D3
D2
D1
D0
PTM21
PSI1
PCTM1
PLCD1
1
0
PTM20
PSI0
PCTM0
PLCD0
1
0
1
0
Priority
level
Level 3
Level 2
Level 1
Level 0
00FF25
Clock timer 60 S interrupt enable register
Clock timer 1 Hz interrupt enable register
Clock timer 2 Hz interrupt enable register
Clock timer 8 Hz interrupt enable register
Clock timer 32 Hz interrupt enable register
LCD controller interrupt enable register
–
R/W
–
0
–
Interrupt is
disabled
Interrupt is
enabled
"0" when being read
ET60S
ECTM1
ECTM2
ECTM8
ECTM32
ELCD
–
D7
D6
D5
D4
D3
D2
D1
D0
00FF29
Clock timer 60 S interrupt factor flag
Clock timer 1 Hz interrupt factor flag
Clock timer 2 Hz interrupt factor flag
Clock timer 8 Hz interrupt factor flag
Clock timer 32 Hz interrupt factor flag
LCD controller interrupt factor flag
–
R/(W)
–
0
–
(R)
Interrupt
factor has not
generated
(W)
Invalid
(R)
Interrupt
factor has
generated
(W)
Reset
"0" when being read
FT60S
FCTM1
FCTM2
FCTM8
FCTM32
FLCD
–
D7
D6
D5
D4
D3
D2
D1
D0
00FF50
–
Clock timer reset
Clock timer RUN/STOP
–
W
R/W
–
0
–
Invalid
Stop
–
Reset
Run
"0" when being read
–
TMRST
TMRUN
D7
D6
D5
D4
D3
D2
D1
D0
00FF51
Clock timer data 1 Hz
Clock timer data 2 Hz
Clock timer data 4 Hz
Clock timer data 8 Hz
Clock timer data 16 Hz
Clock timer data 32 Hz
Clock timer data 64 Hz
Clock timer data 128 Hz
R
0
Low
High
TMD7
TMD6
TMD5
TMD4
TMD3
TMD2
TMD1
TMD0
D7
D6
D5
D4
D3
D2
D1
D0
00FF52
–
Clock timer data 10 sec (BCD)
Clock timer data 1 sec (BCD)
–
R/W
–
0
–
"0" when being read
–
TMMD6
TMMD5
TMMD4
TMMD3
TMMD2
TMMD1
TMMD0
D7
D6
D5
D4
D3
D2
D1
D0