Schematics

1
1
2
2
3
3
4
4
D D
C C
B B
A A
R3
1K
R4
PAD PAD PAD PAD PAD PAD PAD PAD PAD PAD PAD
GND
GND
XRES
BUTTON
LED1G
LED1R
FD
VCC
1
SWDIO
2
RESET
3
GND
5
SWO
6
SWCLK
4
U1 TC2030-IDC-NL__TC
GND
VBAT
SWCLK
SWDIO
XRES
SWDIO
SWCLK
BT1
VBAT GND
C9
1
.0uF
VBAT GND
PREMO_007
V1.0 FCC
Certification Version
01/04/2021
RX
TX
ROW1COL1ROW3 ROW2ROW5ROW4 COL4COL2 ROW6
COL1
COL2
SDA
SCL
C8
1
.0uF
GND
GND
VBAT
C7
1.0uF
GND
VBAT
VBAT
VBAT
VBAT
GND
VBAT
13
2
4
X2
RH1
00-24.000-10-1010-TR__RE
C6
2
4pF
C1
GND
C4
0
.1uF
VBAT GND
C12
1
.0uF
VBAT GND
C5
0
.1uF
VBAT GND
C13
0
.1uF
VBAT GND
C3
1
.0uF
VBAT GND
C2
0
.1uF
VBAT GND
VDDD
1
XTAL32O_P6_0
2
XTAL32I_P6_1
3
XRES
4
P4_0
5
P4_1
6
P5_0
7
P5_1
8
VSSD
9
VDDR
10
GANT1
11
ANT
12
GANT2
13
VDDR
14
VDDR
15
XTAL24I
16
XTAL24O
17
VDDR
18
P0_0
19
P0_1
20
P0_2
21
P0_3
22
VDDD
23
P0_4
24
P0_5
25
P0_6
26
P0_7
27
P1_0
28
P2_5
42
P2_4
41
P2_3
40
P2_2
39
P2_1
38
P2_0
37
VDDA
36
P1_7
35
P1_6
34
P1_5
33
P1_4
32
P1_3
31
P1_2
30
P1_1
29
VSS
57
VCCD
56
VSSA
55
P3_7
54
P3_6
53
P3_5
52
P3_4
51
P3_3
50
P3_2
49
P3_1
48
P3_0
47
VDDA
46
VREF
45
P2_7
44
P2_6
43
U3
CY8
C4248LQI-BL583
32
41
D1
1K
156125RV73000__WUR
A2
A
B4
B
B3
B
A1
A
SW1
KMT071 NGJ LHS__CK
GND
4
7pF
X1 32.768
kHz
GND
1
TX
TestPoint
1
RX
TestPoint
TX
RX
ROW4
C10
1
.2pF
DNI
L1
C11
1.2pF
GND
GND
GND
E1
BUTTON
VREF
VREF
ROW7
ROW6
ROW1
ROW2
ROW3
ROW5
LED2G
LED2R
COL3
COL4
LED1R
LED1G
ROW7 COL3
1 2 3 4 5 6 7 8 9
10
11
PIBT101
PIBT102
COBT1
PIC101
PIC102
COC1
PIC201
PIC202
COC2
PIC301
PIC302
COC3
PIC401
PIC402
COC4
PIC501
PIC502
COC5
PIC601
PIC602
COC6
PIC701
PIC702
COC7
PIC801
PIC802
COC8
PIC901
PIC902
COC9
PIC1001
PIC1002
COC10
PIC1101
PIC1102
COC11
PIC1201
PIC1202
COC12
PIC1301
PIC1302
COC13
PICOL101
COCOL1
PICOL201
COCOL2
PICOL301
COCOL3
PICOL401
COCOL4
PID101
PID102
PID103
PID104
COD1
PIE100
PIE101
COE1
PIL101
PIL102
COL1
PIR301
PIR302
COR3
PIR401
PIR402
COR4
PIROW101
COROW1
PIROW201
COROW2
PIROW301
COROW3
PIROW401
COROW4
PIROW501
COROW5
PIROW601
COROW6
PIROW701
COROW7
PIRX01
CORX
PISW10A
PISW10B
COSW1
PITX01
COTX
PIU101
PIU102
PIU103
PIU104
PIU105
PIU106
COU1
PIU301
PIU302
PIU303
PIU304
PIU305
PIU306
PIU307
PIU308
PIU309
PIU3010
PIU3011
PIU3012
PIU3013
PIU3014
PIU3015 PIU3016 PIU3017 PIU3018 PIU3019 PIU3020 PIU3021 PIU3022 PIU3023 PIU3024 PIU3025 PIU3026 PIU3027 PIU3028
PIU3029
PIU3030
PIU3031
PIU3032
PIU3033
PIU3034
PIU3035
PIU3036
PIU3037
PIU3038
PIU3039
PIU3040
PIU3041
PIU3042
PIU3043 PIU3044 PIU3045 PIU3046 PIU3047 PIU3048 PIU3049 PIU3050 PIU3051 PIU3052 PIU3053 PIU3054 PIU3055 PIU3056 PIU3057
COU3
PIX101
PIX102
COX1
PIX201
PIX202
PIX203
PIX204
COX2
PISW10A
PIU3019
PICOL101
PIU3030
PICOL201
PIU3031
PICOL301
PIU3040
PICOL401
PIU3039
PIU3028
PIBT102
PIC101
PIC201
PIC301
PIC401
PIC501
PIC601
PIC702
PIC802
PIC901
PIC1002
PIC1201
PIC1301
PID101
PID102
PIE100
PIL101
PISW10B
PIU105
PIU309
PIU3011
PIU3013
PIU3055 PIU3057
PIX202
PIX204
PIR402
PIU3022
PIR302
PIU3029
PIU3042
PIU3041
PIC102
PIU303
PIX102
PIC602
PIU302
PIX101
PIC801
PIU3056
PIC1001
PIC1101
PIE101
PIC1102
PIL102
PIU3012
PID103
PIR301
PID104
PIR401
PIU106
PIU305
PIU306
PIU307
PIU308
PIU3016
PIX201
PIU3017
PIX203
PIU3021 PIU3025
PIU3034
PIU3035
PIU3037
PIU3038
PIU3043 PIU3044
PIROW101
PIU3049
PIROW201
PIU3050
PIROW301
PIU3052
PIROW401
PIU3054
PIROW501
PIU3053
PIROW601
PIU3048
PIROW701
PIU3047
PIRX01
PIU3032
PIU3020
PIU3051
PIU104
PIU3027
PIU102
PIU3026
PITX01
PIU3033
PIBT101
PIC202
PIC302
PIC402
PIC502
PIC902
PIC1202
PIC1302
PIU101
PIU301
PIU3010
PIU3014
PIU3015 PIU3018 PIU3023
PIU3036
PIU3046
PIC701
PIU3024
PIU3045
PIU103
PIU304