Epson S1C17W22 Technical Manual page 26

1 OVERVIEW
Pin/pad Assigned
name signal
P32 P32
UPMUX
SEG64
COM15/COM7
P33 P33
UPMUX
SEG63
COM16/COM8
P34 P34
UPMUX
SEG62
COM17/COM9
P35 P35
UPMUX
SEG61
COM18/COM10
P36 P36
UPMUX
SEG60
COM19/COM11
P37 P37
UPMUX
SEG59
COM20/COM12
P40 P40
RFCLKO0
SEG58
COM21/COM13
P41 P41
RFCLKO1
SEG57
COM22/COM14
P42 P42
LFRO
SEG56
COM23/COM15
P43 P43
EXCL00
SEG55
P44 P44
EXCL01
SEG54
PD0 DST2
PD0
PD1 DSIO
PD1
PD2 DCLK
PD2
PD3 PD3
EXOSC
EXCL00
OSC3
PD4 PD4
EXCL01
OSC4
COM0–7 COM0–7
SEG0–53 SEG0–53
Notes: • In the peripheral circuit descriptions, the assigned signal name is used as the pin name.
• Both the S1C17W23 A/D converter and operational amplifier/comparator pins are assigned
to the same pin function.
1-12
Tolerant fail-safe
I/O Initial state
structure
I/O Hi-Z
✓
I/O
A
A
I/O Hi-Z
✓
I/O
A
A
I/O Hi-Z
✓
I/O
A
A
I/O Hi-Z
✓
I/O
A
A
I/O Hi-Z
✓
I/O
A
A
I/O Hi-Z
✓
I/O
A
A
I/O Hi-Z
✓
O
A
A
I/O Hi-Z
✓
O
A
A
I/O Hi-Z
✓
O
A
A
I/O Hi-Z
✓
I
A
I/O Hi-Z
✓
I
A
O O (L)
✓
I/O
I/O I (Pull-up)
✓
I/O
O O (H)
✓
O
I/O Hi-Z –
I
I
A
I/O Hi-Z –
I
A
A Hi-Z –
A Hi-Z –
Seiko Epson Corporation
Function
I/O port
User-selected I/O (universal port multiplexer)
LCD segment output
LCD common output
I/O port
User-selected I/O (universal port multiplexer)
LCD segment output
LCD common output
I/O port
User-selected I/O (universal port multiplexer)
LCD segment output
LCD common output
I/O port
User-selected I/O (universal port multiplexer)
LCD segment output
LCD common output
I/O port
User-selected I/O (universal port multiplexer)
LCD segment output
LCD common output
I/O port
User-selected I/O (universal port multiplexer)
LCD segment output
LCD common output
I/O port
R/F converter Ch.0 clock monitor output
LCD segment output
LCD common output
I/O port
R/F converter Ch.1 clock monitor output
LCD segment output
LCD common output
I/O port
LCD frame signal monitor output
LCD segment output
LCD common output
I/O port
16-bit PWM timer Ch.0 event counter input 0
LCD segment output
I/O port
16-bit PWM timer Ch.0 event counter input 1
LCD segment output
On-chip debugger status output
I/O port
On-chip debugger data input/output
I/O port
On-chip debugger clock output
Output port
I/O port
Clock generator external clock input
16-bit PWM timer Ch.0 event counter input 0
OSC3 oscillator circuit input
I/O port
16-bit PWM timer Ch.0 event counter input 1
OSC3 oscillator circuit output
LCD common output
LCD segment output
S1C17W22/W23 TECHNICAL MANUAL
(Rev. 1.3)