Rev. 1.00
208
September 11, 2018
Rev. 1.00
209
September 11, 2018
HT45F4050
A/D NFC Flash MCU
HT45F4050
A/D NFC Flash MCU
Hardware Circuit
Y1 32.768K
VDD
R2
82.5K 1%
VDD
SDA
VSS
SCL
MU1
DHT12
R14 10M
C8
20pF
C9
20pF
VCC
WP
DO
DIO
CLK
CS
GND
HOLD
U2
SPI Flash
LED1
ALARM
LED2
LOW BAT
LED3
MODE
R6
1K
VDD
HT45F4050
T
R1
833ET-2
C1
0.1uF
VDD
R7
1K
R8
1K
R9
1K
R17
1K
R18
1K
CE1
10uF
R4
4.7K
R5
4.7K
C7
0.1uF
C10
100nF
CE3
10uF
L1
C2 20pF
R12 1K
R13 1K
SW1
STOP
SW2
START
VDD
LA
AVSS
VDD
LB
PF5/XT1
PF4/XT2
PC5/AN5
PC4/AN4
PB3/CTP
PA4/SDI/SDA
PA5/SCK/SCL
PB0/CX
PD2/AN10
PB2/PTCK/PTPB
PE3/VDDIO/CTP
PE2/CTCK/CTPB
PE1/STPI/STP
PE0/STCK/STPB
PA7/INT1/TX
PA6/INT0/RX
PF2/SDI/SDA/SCOM2
PF3/SCK/SCL/SCOM3
PF0/SCS/SCOM0
PE4
PF1/SDO/SCOM1
VSS
AVDD
U1