Pin Descriptions - Epson Arm S1C31 Series Technical Manual

1 OVERVIEW

1.3.2 Pin Descriptions

Symbol meanings
Assigned signal: The signal listed at the top of each pin is assigned in the initial state. The pin function must be
switched via software to assign another signal (see the "I/O Ports" chapter).
I/O: I
O
I/O
P
A
Hi-Z
Initial state: I (Pull-up)
I (Pull-down) = Input with pulled down
Hi-Z
O (H)
O (L)
Tolerant fail-safe structure:
✓
Pin Assigned
I/O Initial state
name signal
V V P
DD DD
V V P
SS SS
V V P
PP PP
V V A
D1 D1
V V P
DDQSPI DDQSPI
OSC1 OSC1 A
OSC2 OSC2 A
TEST TEST I
#RESET #RESET I
P00 P00 I/O
UPMUX I/O
P01 P01 I/O
UPMUX I/O
P02 P02 I/O
FOUT O
UPMUX I/O
P03 P03 I/O
SDACOUT_P2 O
UPMUX I/O
P04 P04 I/O
SDACOUT_P O
UPMUX I/O
P05 P05 I/O
SDACOUT_N O
UPMUX I/O
P06 P06 I/O
SDACOUT_N2 O
UPMUX I/O
P07 P07 I/O
UPMUX I/O
P10 P10 I/O
UPMUX I/O
ADIN06 A
P11 P11 I/O
UPMUX I/O
ADIN05 A
P12 P12 I/O
UPMUX I/O
ADIN04 A
1-8
= Input
= Output
= Input/output
= Power supply
= Analog signal
= High impedance state
= Input with pulled up
= High impedance state
= High level output
= Low level output
= Over voltage tolerant fail-safe type I/O cell included (see the "I/O Ports" chapter)
Table 1.3.2.1 Pin Description
Tolerant
fail-safe
structure
– – Power supply (+)
– – GND
– – Power supply for Flash programming
– – V regulator output
D1
– – QSPI interface/P6 port group power supply
– – OSC1 oscillator circuit input
– – OSC1 oscillator circuit output
I (Pull-down) – Test mode enable input
I (Pull-up) – Reset input
Hi-Z I/O port
✓
User-selected I/O (universal port multiplexer)
Hi-Z I/O port
✓
User-selected I/O (universal port multiplexer)
Hi-Z I/O port
✓
Clock external output
User-selected I/O (universal port multiplexer)
Hi-Z I/O port
✓
Buzzer sound DAC positive output 2
User-selected I/O (universal port multiplexer)
Hi-Z I/O port
✓
Buzzer sound DAC positive output 1
User-selected I/O (universal port multiplexer)
Hi-Z I/O port
✓
Buzzer sound DAC nagetive output 1
User-selected I/O (universal port multiplexer)
Hi-Z I/O port
✓
Buzzer sound DAC nagetive output 2
User-selected I/O (universal port multiplexer)
Hi-Z I/O port
✓
User-selected I/O (universal port multiplexer)
Hi-Z – I/O port
User-selected I/O (universal port multiplexer)
12-bit A/D converter Ch.0 analog signal input 6
Hi-Z – I/O port
User-selected I/O (universal port multiplexer)
12-bit A/D converter Ch.0 analog signal input 5
Hi-Z – I/O port
User-selected I/O (universal port multiplexer)
12-bit A/D converter Ch.0 analog signal input 4
Seiko Epson Corporation
Function
S1C31D41 TECHNICAL MANUAL
Package
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(Rev. 1.1)