Holtek BS66F340 - Block Diagram; Pin Assignment

Rev. 1.60 8 August 20, 2019 Rev. 1.60 9 August 20, 2019
BS66F340/BS66F350/BS66F360/BS66F370
Touch A/D Flash MCU with LED Driver
BS66F340/BS66F350/BS66F360/BS66F370
Touch A/D Flash MCU with LED Driver
Block Diagram
8-bit
RISC
MCU
Core
I/O
Timer
Modules
Flash
Program
Memory
EEPROM
Data
Memory
Flash/EEPROM
Programming Circuitry
Time
Base
SIM
(SPI/I
2
C)
Low
Voltage
Reset
Watchdog
Timer
Low
Voltage
Detect
Interrupt
Controller
Reset
Circuit
External
HXT
Oscillator
12-bit A/D
Converter
RAM
Data
Memory
IAP
UART
Internal
HIRC/LIRC
Oscillators
Temperature
Sensor
Touch Key
Modules
External
LXT
Oscillator
Pin Assignment
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
PE4/OSC1
PE5/CTP1B/OSC2
PB7/INT1/KEY4/AN7
PB6/PTCK/KEY3/AN6
PB5/STCK/KEY2/AN5
PB4/PTPI/PTPB/KEY1/AN4
PA4/SDO/XT2
VSS
VDD
PB0/SDI/SDA/VREF/AN0
PB1/SCK/SCL/AN1
PB2/PTPI/TX/PTP/AN2
PA3/SCS/XT1
PB3/RX/AN3
PC0/KEY5
PC1/KEY6
PC3/KEY8
PC2/KEY7
PE0/KEY9
PA7/CTP1
PE3/STPI/STPB/KEY12
PE2/STPI/STP/KEY11
PA0/SDO/ICPDA/OCDSDA
PA1/CTP0
PA5/CTP0B
PA6/CTCK0/INT0
PE1/KEY10
PA2/CTCK1/SCS/ICPCK/OCDSCK
BS66F340/BS66V340
28 SSOP-A