Epson S1C88650 Technical Manual page 105

Address Bit Name
00FF25 D7 ETC3
PTM3 compare match interrupt enable
D6 ETU3 PTM3 underflow interrupt enable
D5 ETC2
PTM2 compare match interrupt enable
D4 ETU2 PTM2 underflow interrupt enable
D3 ETC1
PTM1 compare match interrupt enable
D2 ETU1 PTM1 underflow interrupt enable
D1 ETC0
PTM0 compare match interrupt enable
D0 ETU0 PTM0 underflow interrupt enable
00FF29 D7 FTC3
PTM3 compare match interrupt factor flag
D6 FTU3 PTM3 underflow interrupt factor flag
D5 FTC2
PTM2 compare match interrupt factor flag
D4 FTU2 PTM2 underflow interrupt factor flag
D3 FTC1
PTM1 compare match interrupt factor flag
D2 FTU1 PTM1 underflow interrupt factor flag
D1 FTC0
PTM0 compare match interrupt factor flag
D0 FTU0 PTM0 underflow interrupt factor flag
00FF2C D7 ETC7
PTM7 compare match interrupt enable
D6 ETU7 PTM7 underflow interrupt enable
D5 ETC6
PTM6 compare match interrupt enable
D4 ETU6 PTM6 underflow interrupt enable
D3 ETC5
PTM5 compare match interrupt enable
D2 ETU5 PTM5 underflow interrupt enable
D1 ETC4
PTM4 compare match interrupt enable
D0 ETU4 PTM4 underflow interrupt enable
00FF2E D7 FTC7
PTM7 compare match interrupt factor flag
D6 FTU7 PTM7 underflow interrupt factor flag
D5 FTC6
PTM6 compare match interrupt factor flag
D4 FTU6 PTM6 underflow interrupt factor flag
D3 FTC5
PTM5 compare match interrupt factor flag
D2 FTU5 PTM5 underflow interrupt factor flag
D1 FTC4
PTM4 compare match interrupt factor flag
D0 FTU4 PTM4 underflow interrupt factor flag
00FF30 D7 MODE16_A
PTM0–1 8/16-bit mode selection
D6 PTNREN_A External clock 0 noise rejecter selection
D5 –
–
D4 – R/W register
D3 PTOUT0
PTM0 clock output control
D2 PTRUN0 PTM0 Run/Stop control
D1 PSET0
PTM0 preset
D0 CKSEL0 PTM0 input clock selection
00FF31 D7 –
–
D6 – –
D5 –
–
D4 – R/W register
D3 PTOUT1
PTM1 clock output control
D2 PTRUN1 PTM1 Run/Stop control
D1 PSET1
PTM1 preset
D0 CKSEL1 PTM1 input clock selection
S1C88650 TECHNICAL MANUAL
5 PERIPHERAL CIRCUITS AND THEIR OPERATION (Programmable Timer)
Table 5.10.9.1(c) Programmable timer control bits
Function
EPSON
1 0 SR R/W
Interrupt Interrupt
0
enable disable
(R) (R)
Interrupt No interrupt
factor is factor is
generated generated
0
(W) (W)
Reset No operation
Interrupt Interrupt
0
enable disable
(R) (R)
Interrupt No interrupt
factor is factor is
generated generated
0
(W) (W)
Reset No operation
- bit x 1 - bit x 2 0
16 8
0
Enable Disable
–
– –
0
1 0
0
On Off
0
Run Stop
0
Preset No operation
0
External clock Internal clock
–
– –
–
– –
–
– –
0
1 0
0
On Off
0
Run Stop
0
Preset No operation
0
External clock Internal clock
Comment
R/W
R/W
R/W
R/W
R/W
R/W
"0" when being read
R/W
Reserved register
R/W
R/W
W
"0" when being read
R/W
Constantly "0" when
being read
R/W
Reserved register
R/W
R/W
W
"0" when being read
R/W
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