1 OVERVIEW
1-6
Seiko Epson Corporation
S1C31D50/D51 TECHNICAL MANUAL
(Rev. 2.00)
TQFP14-80PIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
PD4
P30
P31
P32
P33
P34
P35
V
PP
P90
P91
P92
P93
P94
P95
V
DDQSPI
PA0
PA1
PA2
PA3
PA4
PD4
P30/RFCLKO0/UPMUX
P31/REMO/UPMUX
P32/CLPLS/UPMUX
P33/UPMUX
P34/UPMUX
P35/UPMUX
V
PP
P90/QSPICLK0
P91/QSDIO00
P92/QSDIO01
P93/QSDIO02
P94/QSDIO03
P95/#QSPISS0
V
DDQSPI
PA0
PA1
PA2
PA3/FOUT
PA4
V
SS
V
D1
PD3
PD2
P53
P52
P51
P50
P27
P26
P25
P24
P23
P22
P21
P20
P64
P63
P62
P61
P46
P45
P44
P43
P42
P41
P40
P17
P16
P15
P14
P13
P12
P11
P10
P07
P06
P05
P04
P03
Pin name
#RESET
V
DD
OSC1
OSC2
P80
P81
P82
P83
P84
P85
P86
P87
P70
P71
P72
P73
P74
PD0
PD1
TEST
V
SS
V
D1
PD3/OSC4
PD2/OSC3
P53
P52
SDACOUT_N/P51
SDACOUT_P/P50
P27/UPMUX
P26/UPMUX
P25/UPMUX
P24/UPMUX
P23/RFIN0/UPMUX
P22/REF0/UPMUX
P21/SENA0/UPMUX
P20/SENB0/UPMUX
P64
P63
P62/EXSVD1
P61/EXSVD0
P46/RTC1S
P45/#ADTRG0
P44
P43
P42
P41
P40/VREFA0
P17/UPMUX/ADIN00
P16/UPMUX/ADIN01
P15/UPMUX/ADIN02
P14/UPMUX/ADIN03
P13/UPMUX/ADIN04
P12/UPMUX/ADIN05
P11/UPMUX/ADIN06
P10/UPMUX/ADIN07
P07/UPMUX
P06/UPMUX
P05/UPMUX
P04/UPMUX
P03/UPMUX
Port function
or signal
assignment
#RESET
V
DD
OSC1
OSC2
P80
P81
P82
P83/EXOSC
P84/EXCL00
P85/EXCL01
P86
P87
P70
P71
P72/EXCL10
P73/EXCL11
P74
SWCLK/PD0
SWD/PD1
TEST
Figure 1.3.1.3 S1C31D50/D51 Pin Configuration Diagram (TQFP14-80PIN)