Cypress FM4 S6E2H Series, Manual

Page: 23 / 59

Hardware
FM4 S6E2H-Series Starter Kit Guide, Doc. No. 002-11387 Rev. ** 23

Reset button

20-pin JTAG interface

Selectable on-board voltage (3.3 V or 5.0 V)
3.3 Hardware Details
3.3.1 FM4 Series MCU
The FM4 S6E2HG MCU is a family of highly integrated 32-bit microcontrollers dedicated for high
performance embedded controllers at competitive price.
This series is based on the ARM® Cortex®-M4 processor with on-chip flash memory and SRAM,
and has peripherals such as motor control timers, A/D converters, and communication interfaces
like CAN, UART, CSIO, I
2
C, and LIN.
3.3.2 User Button and LED
The FM4 S6E2H-Series Starter Kit features two user buttons and a 3-color LED. The LED and
switches are connected to the S6E2HG MCU device via pins listed in
Table 3-1 .
Table 3-1: Button and LED
Pin Number Port Peripherals External Device
108 P68 SCK3_0,TIOB7_2, INT00_2 SW2
116 P60 SCK5_0,TIOA2_2,NMIX,MRDY_0,WKUP0 SW3
82 P27 TIOA6_2, INT02_2, RTO05_1 LED2
– Red
22 P38 INITX LED2
– Green
56 PE0 MD1 LED2
– Blue
Pin 56 is used to drive the blue LED; it is also connected to MD1 pin which is used for the serial
programming mode setting. Jumper J21 can be used to switch the functions.
Table 3-2 shows
the configuration.
Table 3-2: J21 Configuration
Jumper-J21 Port Function
Close 2~3 PE0 Drive the blue LED
Close 1~2 MD1 Serial programming mode