![Kontron mITX-BW User Manual Download Page 46](http://html.mh-extra.com/html/kontron/mitx-bw/mitx-bw_user-manual_1996483046.webp)
mITX-BW – User Guide, Rev. 1.6
www.kontron.com
// 46
The GPIO’s are controlled via the ITE IT8528E Embedded Controller. Each GPIO has 100pF to ground, clamping Diode to
3V3 and has multiplexed functionality.
Some pins can be DAC (Digital to Analogue Converter output), PWM (Pulse Width Modulated signal output), ADC
(Analogue to Digital Converter input), TMRI (Timer Counter Input), WUI (Wake Up Input), RI (Ring Indicator Input) or
some special function.
Table 41: Signal description IT 8528E Embedded Controller
Signal
IT8528E Pin Name
Type
Description
GPIO0
TACH2/HDIO2/GPJ0
AO/IOS
TACH2
– Tachometer Input
HDIO2 – HSPI In/Out 2
GPJ0
– GPIO signals
GPIO1
HDIO3/GPJ1
AO/IOS
HDIO3
– HSPI In/Out 3
GPJ1
– GPIO signals
GPIO2
DAC2/TACH0B/GPJ2
AO/IOS
DAC2
– 3.3V CMOS I/F DAC Output
TACH0B – Tachometer Input
GPJ2
– GPIO signals
GPIO3
DAC3/TACH1B/GPJ3
AO/IOS
DAC3
– 3.3V CMOS I/F DAC Output
TACH1B – Tachometer Input
GPJ3
– GPIO signals
GPIO4
PWM2/GPA2
O8/IOS
PWM2
- Pulse Width Modulation Output
GPA2
- GPIO signals
GPIO5
PWM3/GPA3
O8/IOS
PWM3
- Pulse Width Modulation Output
GPA3
- GPIO signals
GPIO6
PWM4/GPA4
O8/IOS
PWM4 - Pulse Width Modulation Output
GPA4
- GPIO signals
GPIO7
PWM5/GPA5
O8/IOS
PWM5
- Pulse Width Modulation Output
GPA5
- GPIO signals
GPIO8
ADC0/GPI0
AI/IS
ADC0
- ADC Input / Alternate GPIO
GPI0
- GPIO signals
GPIO9
ADC1/GPI1
AI/IS
ADC1
- ADC Input / Alternate GPIO
GPI1
- GPIO signals
GPIO10
ADC2/GPI2
AI/IS
ADC2
- ADC Input / Alternate GPIO
GPI2
- GPIO signals
GPIO11
ADC3/GPI3
AI/IS
ADC3
- ADC Input / Alternate GPIO
GPI3
- GPIO signals
GPIO12
ADC4/GPI4
AI/IS/IS
ADC4
- ADC Input / Alternate GPIO
GPI4
- GPIO signals
GPIO13
RI1#/GPD0
IS/IS/IOS
RI1#
- Receive Interrupt
GPD0
- GPIO signals
GPIO14
RI2#/GPD1
IS/IS/IOS
RI2#
- Receive Interrupt
GPD1
- GPIO signals
GPIO15
TMRI0/GPC4
IS/IS/IOS
TMRI0
- Counter Input
GPC4
- GPIO signals
GPIO16
TMRI1/GPC6
IS/IS/IOS
TMRI1
- Counter Input
GPC6
- GPIO signals
GPIO17
L80HLAT/BAO/GPE0
O4/O4/IS/IOS
L80HLAT - LPC I/O Port 80, High-nibble LAD Latch
BAO
- Buffer A Output
GPE0
- GPIO signals