Holtek ESK32-A3A31, User Manual

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Rev. 1.00 6 October 27, 2020 Rev. 1.00 7 October 27, 2020
ESK32-A3A31 33 SEG × 8 COM
Monochrome LCD User Manual
ESK32-A3A31 33 SEG × 8 COM
Monochrome LCD User Manual
Pin No. Description Pin No. Description
1 GND 2 GND
3 PD8
#
/ I
2
S_BCLK (see Table 9, Opt2-1) 4 PA9 / I
2
S_WS
5 PA4 / RS232_RX (connect to MCU TX) 6
PA5
#
/ RS232_TX (connect to MCU TX)
(see J2, DAP_TX)
7 PD6
#
/ M_IO4 (see Table 9, Opt1-2) 8 PA7 / BUZZER
9 PB13
#
/ M_IO2 (see R23, HSEi) 10 PB14
#
/ M_IO3 (see R24, HSEo)
11 PA3 / M_IO0 12 PD0
#
/ M_IO1 (see Table 9, Opt3-2)
13 PD4 / M_TX 14 PD5 / M_RX
15 PB11 # / M_RTS (see R22, LSEo) 16 PB10 # / M_CTS (see R21, LSEi)
17 PC9
#
/ M_MISO (see Table 9, Opt4-3) 18 PD7
#
/ M_CS (see Table 9, Opt3-1)
19 PC5
#
/ M_SCK (see Table 9, Opt4-1) 20 PC8
#
/ M_MOSI (see Table 9, Opt4-2)
21 PA1 / M_SDA 22 PA0 / M_SCL
23 PA1 / Touch_SDA 24 PA0 / Touch_SCL
25 PA1 / EE_SDA 26 PA0 / EE_SCL
27
PB12 / B0_WAKEUP
(connect to MCU Wakeup pin)
28 NC
29 PA2 / VR 30 GND
31 PB10
#
/ LSE_In (see R21, LSEi) 32 PB11
#
/ LSE_Out (see R22, LSEo)
33 PC9
#
/ SD_D0 / MISO (see Table 9, Opt4-3) 34 NC
35 NC 36 PD7
#
/ SD_D3 / CS (see Table 9, Opt3-1)
37 PC5
#
/ SD_CLK (see Table 9, Opt4-1) 38 PC8
#
/ SD_CMD / MOSI (see Table 9, Opt4-2)
39 PC9 # / S14 (see Table 9, Opt4-3) 40 NC
41 PC8
#
/ S15 (see Table 9, Opt4-2) 42 PC5
#
/ S16 (see Table 9, Opt4-1)
43 PD0
#
/ S17 (see Table 9, Opt3-2) 44 PD7
#
/ S18 (see Table 9, Opt3-1)
45 PA11
#
/ S19 (see Table 9, Opt2-4) 46 PD10
#
/ S20 (see Table 9, Opt2-3)
47 PD9
#
/ S21 (see Table 9, Opt2-2) 48 PD8
#
/ S22 (see Table 9, Opt2-1)
49 PD6 # / S23 (see Table 9, Opt1-2) 50 PC4 # / S24 (see Table 9, Opt1-1)
51 PE0 / S25 52 PE1 / S26
53 PE2 / S27 54 PE3 / S28
55 PC6
#
/ USBD- (see R26, USB_N) 56 PC7
#
/ USBD+ (see R27, USB_P)
57 GND 58 GND
59 3.3V 60 3.3V
# : mean the specific Options or Jumper settings.
Table 1. Pin Assignment for Extension Connector CN4-1 (ESK32-30511)