Epson S1C33210 Personal Computer User Manual


 
4 PERIPHERAL CIRCUITS
A-46 EPSON S1C33210 PRODUCT PART
NameAddressRegister name Bit Function Setting Init. R/W Remarks
0 to 65535CR4A15
CR4A14
CR4A13
CR4A12
CR4A11
CR4A10
CR4A9
CR4A8
CR4A7
CR4A6
CR4A5
CR4A4
CR4A3
CR4A2
CR4A1
CR4A0
DF
DE
DD
DC
DB
DA
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
16-bit timer 4 comparison data A
CR4A15 = MSB
CR4A0 = LSB
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
R/W00481A0
(HW)
16-bit timer 4
comparison
register A
0 to 65535CR4B15
CR4B14
CR4B13
CR4B12
CR4B11
CR4B10
CR4B9
CR4B8
CR4B7
CR4B6
CR4B5
CR4B4
CR4B3
CR4B2
CR4B1
CR4B0
DF
DE
DD
DC
DB
DA
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
16-bit timer 4 comparison data B
CR4B15 = MSB
CR4B0 = LSB
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
R/W00481A2
(HW)
16-bit timer 4
comparison
register B
0 to 65535TC415
TC414
TC413
TC412
TC411
TC410
TC49
TC48
TC47
TC46
TC45
TC44
TC43
TC42
TC41
TC40
DF
DE
DD
DC
DB
DA
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
16-bit timer 4 counter data
TC415 = MSB
TC40 = LSB
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
R00481A4
(HW)
16-bit timer 4
counter data
register
SELFM4
SELCRB4
OUTINV4
CKSL4
PTM4
PRESET4
PRUN4
D7
D6
D5
D4
D3
D2
D1
D0
reserved
16-bit timer 4 fine mode selection
16-bit timer 4 comparison buffer
16-bit timer 4 output inversion
16-bit timer 4 input clock selection
16-bit timer 4 clock output control
16-bit timer 4 reset
16-bit timer 4 Run/Stop control
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
W
R/W
0 when being read.
0 when being read.
00481A6
(B)
1 Enabled 0 Disabled
1 Fine mode 0 Normal
1 Invert 0 Normal
1
External clock
0
Internal clock
1 On 0 Off
1 Reset 0 Invalid
1 Run 0 Stop
16-bit timer 4
control register