Holtek ESK32-A3A31, User Manual, Page: 7 / 21

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
61 3.3V 62 3.3V
63 GND 64 GND
65 PA1 / I
2
S_SDA 66 PA0 / I
2
S_SCL
67 PD9
#
/ I
2
S_SDO (see Table 9, Opt2-2) 68 PD10
#
/ I
2
S_SDI (see Table 9, Opt2-3)
69
PA9 / BOOT1
(connect to MCU BOOT pin) (see R18)
70 PA11
#
/ I
2
S_MCLK (see Table 9, Opt2-4)
71 NC 72 F_NRST / nRST
73 PA12 / SWCLK 74 PA13 / SWDIO
75 PB15 / C0 76 PC0 / C1
77 PC10 / C2 78 PC11 / C3
79 PC12 / C4 80 PD13
81 PC0 82 PD12
83 PC13 / C5 84 PA8 / C6
85 PA10 / C7 86 PA14 / S0
87 PA15 / S1 88 PB0 / S2
89 PB1 / S3 90 PD1 / S4
91 PD2 / S5 92 PD3 / S6
93 PD11 / S7 94 PD12 / S8
95 PD13 / S9 96 PD14 / S10
97 PD15 / S11 98 PB2 / S12
99 PB3 / S13 100 PB4 / S32
101 PB5 / S31 102 PC14 / S30
103 PC15 / S29 104 GND
105 PC5 # / Flash_SCK (see Table 9, Opt4-1) 106 PC8 # / Flash_MOSI (see Table 9, Opt4-2)
107 PC9
#
/ Flash_MISO (see Table 9, Opt4-3) 108 PA6 / Flash_CS
109 PA9 / Button1 110 PC1 / Button2
111 PC2 / LED0 112 PC3 / LED1
113 PB7 / LED2 114 PC4
#
/ SCI_CMD (Table 9, see Opt1-1)
115 PC3 / SCI_RST 116 PB6 / SCI_CLK
117 PB7 / SCI_DET 118 PB8 / SCI_DIO
119 GND 120 GND
121 5V 122 5V
# : mean the specific Options or Jumper settings.
Table 2. Pin Assignment for Extension Connector CN4-2 (ESK32-30511)