
S1C8F626 TECHNICAL MANUAL
EPSON
201
APPENDIX D DIFFERENCES FROM S1C88649/650
APPENDIX D DIFFERENCES FROM
S1C88649/650
The S1C8F626 is compatible with the major functions of the S1C88649/650. Table D.1 lists the differences
from the S1C88649/650.
Table D.1 List of differences
Function
Operating frequency
Internal ROM capacity
Internal RAM capacity
Sound generator
Programmable timer
Stopwatch timer
Serial interface
IrDA interface
Multiple-key entry reset
Watchdog timer reset period
LCD driver
SEG assignment reverse function
12
× 12-dot font select function
LCD power supply
Input interface level select function
Supporting OSC3 source clock by
chattering elimination circuit
K port
P port
R port
External bus
Shipping form
Current consumption
SLEEP mode
HALT mode (32 kHz crystal)
Run state
(32 kHz crystal)
Run state
(8 MHz ceramic)
The S1C8F626 is upwardly compatible with the S1C88649 and S1C88650.
S1C88649
30 kHz to 4.2 MHz
48K + 192K bytes
8K bytes
Available
1 ch. (PWM)
Available
1 ch.
Not available
Mask option
Fixed at 3 to 4-second
period
80 SEG
× 16/8 COM
Not available
1/4 bias
P10–17
(Mask option)
Not available
(OSC1 source clock only)
K00–07
P00–07, P10–17
R00–07, R10–17,
R20–24, R30–33
512K bytes
× 4
Chip
1
A (Typ.)
2.5
A (Typ.)
7
A (Typ.)
670
A@4 MHz (Typ.)
S1C88650
30 kHz to 8.2 MHz
48K + 896K bytes
8K bytes
Not available
(Can be substituted with
Programmable timer)
2 ch. (PWM)
Not available
1 ch. (2-bit parity,
LSB/MSB first selectable)
Not available
Mask option
126 SEG
× 32/16/8 COM
Available
1/5 bias
(VDD booster built in)
K00–07, P10–17
(Mask option)
Available
K00–07
P00–07, P10–17
R00–07, R10–17,
R20–24, R30–33
1M bytes
× 3
Chip, QFP22-256pin
1
A (Typ.)
2.5
A (Typ.)
9
A (Typ.)
1700
A (Typ.)
S1C8F626
30 kHz to 8.2 MHz
48K + 192K bytes
8K bytes
Not available
(Can be substituted with
Programmable timer)
2 ch. (PWM)
Available
2 ch. (2-bit parity,
LSB/MSB first selectable)
Available
Register control
Fixed at 4-second period
96 SEG
× 32/16/8 COM
Available
1/5 bias
(VDD booster built in)
K00–07, P10–17, P20–27
(Register control)
Available
K00–07
P00–07, P10–17, P20–27
Not available
Chip, VFBGA10H-240pin,
QFP21-216pin
1
A (Typ.)
2.5
A (Typ.)
10
A (Typ.)
1800
A (Typ.)