
emSTAMP Helium (Rev3)
16/23
38
PD4
TWD1
URXD2
39
RECOVERY
40
RESETIN#
41
RESET#
42
GND
43
V_BACKUP
44
+3V3
45
+3V3
46
PB2
CLASSD_R1
47
PB3
URXD4
IRQ
CLASSD_R2
48
PB4
UTXD4
FIQ
CLASSD_R3
49
GND
50
PD31
ADTRG
IRQ
TCLK3
51
PB31
FLEXCOM0_IO3 TWD0
52
PB30
FLEXCOM0_IO2 TCLK5
53
PB29
FLEXCOM0_IO1 TIOB5
54
PB28
FLEXCOM0_IO0 TIOA5
55
GND
56
BASE_PWR_EN
57
PB1
PWML1
CLASSD_R0
58
PD21
AD2
TIOB2
TWD0
FLEXCOM4_IO0
I2SC0_WS
59
PD20
AD1
TIOA2
UTXD2
I2SC0_MCK
60
PD22
AD3
TCLK2
TWCK0 FLEXCOM4_IO1
I2SC0_DI0
61
PD19
AD0
PCK0
URXD2
I2SC0_CK
62
DEBUG_TXD
63
DEBUG_RXD
64
ETH_TD-
65
66
ETH_RD-
67
68
GND