3.9.2 AT32UC3C0512C Pinout

Table 3-28. UC3C Pinout Power Supply Pins and JTAG Pins
QFP144 pin	GPIO	Feature
53		VDDIN5
54		VDDIN33
52		GNDPLL
55		VDDCORE
56		GNDCORE
37		GNDANA
34-35		ADCREFP/N
38		VDDANA
5-76-104-119		GNDVDDIO
5-75-103-118		VDDIO
		RST push-button, connected to the RESET_N pin
1	PA00	JTAG.TCK
2	PA01	JTAG.TDI
3	PA02	JTAG.TDO
4	PA03	JTAG.TMS

Table 3-29. UC3C Pinout Port A
QFP144 pin	GPIO	GPIO Alternate functions	Feature
21	PA4	ADCIFA-ADCIN0	TFT XL Line Measurement
22	PA5	ADCIFA-ADCIN1	TFT YU Line Measurement
23	PA6	ADCIFA-ADCIN2 or ACIFA-AC1AP1	ADC Input 0 positive channel or Analog Comparator 0 Input positive.
23	PA7	ADCIFA-ADCIN3 or ACIFA-AC1AN1	ADC Input 1 positive channel or Analog Comparator 0 Input negative
25	PA8	GPIO[8]	LED0
26	PA9	ADCIFA-ADCIN5	Potentiometer
27	PA10		EVTI_N
28	PA11	ADCREF0	Analog Reference 0
29	PA12	DACIFB-DAC1A	DAC Output.
30	PA13	ADCIFA-ADCIN15	TFT YD Line Measurement
31	PA14	GPIO[14]	PB0 push-button
32	PA15	DACIFB-DAC1B	Jack Audio.
33	PA16	ADCREF1	Analog Reference1
36	PA19		MDO[0]
39	PA20	ADCIFA-ADCIN9 or ACIFA-AC0AP0	ADC Input 0 negative channel or Analog Comparator 1 Input positive.
40	PA21	ADCIFA-ADCIN10 or ACIFA-AC0BN0	ADC Input 1 negative channel or Analog Comparator 2 Input negative.
41	PA22	ACIFA-AC0AN0	Analog Comparator 1 Input negative.
42	PA23	ACIFA-AC0BP0	Analog Comparator 2 Input positive.
43	PA24	ADCIFA-ADCIN13	TFT XR Line Measurement
44	PA25	ADCIFA-ADCIN14	Microphone Input
45	PA26		MDO[1]
46	PA27		MDO[2]
47	PA28	GPIO[126]	SD Card Protect
48	PA29	GPIO[29] or EXTINT[0]	PB1 push-button

Table 3-30. UC3C Pinout Port A
QFP144 pin	GPIO	GPIO Alternate functions	Feature
140	PB00	Xin0
141	PB01	Xout0
142	PB02	Xin1
143	PB03	Xout1
36	PB04	RX	CAN0 RX CAN
37	PB05	TX	CAN0 TX CAN
9	PB06		MDO[5]
10	PB07	GPIO[39]	USB Over Current
11	PB8	PWM-PWML[0]	Provides access to the PWM UL signal available on J33.2.
12	PB9	PWM-PWMH[0]	Provides access to the PWM UH signal available on J33.1.
13	PB10	PWM-PWML[1]	Provides access to the PWM VL signal available on J33.4.
14	PB11	PWM-PWMH[1]	Provides access to the PWM VH signal available on J33.3.
15	PB12	PWM-PWML[2]	Provides access to the PWM WL signal available on J33.6.
16	PB13	PWM-PWMH[2]	Provides access to the PWM WH signal available on J33.5.
17	PB14	PWM-PWML[3]	Provides access to the PWM XL signal available on J33.6. See configuration section to activate this feature.
18	PB15		/ USART1.CTS / PWM-PWMH[3] MDO[4]
19	PB16	Rx LIN0 / USART1.RX	RX LIN / WLESS Rx Line
20	PB17	TX LIN0 / USART1.TX	TX LIN / WLESS Tx Line
57	PB18		MSEO[0]
58	PB19	SPI1.MISO	Dataflash SO / SD SO / WLESS.MOSI / TFT Interface through the SPI
59	PB20	SPI1.MOSI	Dataflash SI / SD SI / WLESS.MISO / TFT Interface through the SPI
60	PB21	SPI1.SCK	Dataflash SCK / SD SCK / WLESS SPI clock / TFT Interface through the SPI
61	PB22	SPI1.NPCS3	SD #CS
62	PB23	SPI1.NPCS2	TFT SPI #CS
63	PB24	SPI1.NPCS1	Dataflash #CS
64	PB25	N.A/ SPI1.NPCS[]	MSEO[1]
65	PB26		MCKO
66	PB27	GPIO[59]/ QDEC - QEPA
67	PB28	GPIO[60]/ QDEC - QEPB

Table 3-31. UC3C Pinout Port C
QFP144 pin	GPIO	GPIO Alternate functions	Feature
71	PC00	GPIO[64]	USB ID
72	PC01	GPIO[65]	USB VBOF
73	PC02	TWIMS0_TWD	Touch TWI Data / EEPROM TWI Data / WLESS Data
74	PC03	TWIMS0_TWCK	Touch TWI Clock / EEPROM TWI Clock / WLESS Clock
77	PC04	USART2.TXD	USART3 TX line
78	PC05	USART2.RXD	USART3 RX line
79	PC06	GPIO[70]	UC3B_INT
80	PC07	GPIO[71]	Detect Interrupt of QTouch
81	PC08	Software-dependant	J19.3
82	PC09	Software-dependant	J19.4
84	PC10	Software-dependant	J19.5
84	PC11	RX	CAN1 RX CAN
85	PC12	TX	CAN1 TX CAN
86	PC13	GPIO[77]	or PWMH[2] LED2
87	PC14	EBI SDCKE	SDRAM SDCKE
88	PC15	RX LIN1 / EBI SDWEN	RX LIN / SDRAM SDWEN
89	PC16	TX LIN1 / EBI CASn	TX LIN / SDRAM CASn
90	PC17	EBI	RASn SDRAM RASn
91	PC18	EBI	SDA10 SDRAM SDA10
92	PC19	EBI-D0	TFT Data Bus
93	PC20	EBI-D1	TFT Data Bus
94	PC21	EBI-D2	TFT Data Bus
95	PC22	EBI-D3	TFT Data Bus
96	PC23	EBI-D4	TFT Data Bus
97	PC24	EBI-D5	TFT Data Bus
98	PC25	EBI-D6	TFT Data Bus
99	PC26	EBI-D7	TFT Data Bus
100	PC27	EBI-D8/Software-dependant	TFT Data Bus / J19.9
101	PC28	EBI-D9/Software-dependant	TFT Data Bus / J19.6
102	PC29	EBI-D10/Softwar-edependant	TFT Data Bus / J19.7
103	PC30	EBI-D11	TFT Data Bus
104	PC31	EBI-D12	TFT Data Bus

Table 3-32. UC3C Pinout Port C
QFP144 pin	GPIO	GPIO Alternate functions	Feature
107-109	PD0-2	EBI D13	SDRAM Data Bus.
108	PD1	EBI D14	SDRAM Data Bus.
109	PD2	EBI D15	SDRAM Data Bus.
110	PD3	EBI DQM0	SDRAM DQM0
111	PD4	Software-dependant	J20.3
112	PD5	EBI A2/	Software-dependant SDRAM Address Bus / J20.4
113	PD6	EBI A3/	Software-dependant SDRAM Address Bus / J20.5
114	PD7	EBI A3/	Software-dependant SDRAM Address Bus / J20.9
115	PD8	EBI A4	SDRAM Address Bus
116	PD9	EBI A5	SDRAM Address Bus
117	PD10	EBI A6	SDRAM Address Bus
120	PD11	EBI A7	SDRAM Address Bus
121	PD12	EBI A8	SDRAM Address Bus
122	PD13	EBI SDCK	SDRAM Clock
123	PD14	EBI A10	SDRAM Address Bus
124	PD15	EBI A11/Software-dependant	SDRAM Address Bus / J20.6
125	PD16	EBI A12/Software-dependant	TFT Reset Signal / J20.7
126	PD17	EBI A13	SDRAM Address Bus
127	PD18	EBI A14	SDRAM Address Bus
128	PD19	EBI A15	TFT TE Signal
129	PD20	EBI A16	SDRAM Address Bus
130	PD21	EBI A17	SDRAM Address Bus
131	PD22	GPIO[118] or TC0-A2	LED3
132	PD23	GPIO[119]	LED1
97	PD24	EBI DQM1	SDRAM DQM1
134	PD25	EBI NWE0	TFT Write Signal
135	PD26	EBI NRD	TFT Read Signal
136	PD27	EBI CS	SDRAM CS
137	PD28	GPIO[124] or TC0-B0	TFT Backlight Signal.
138	PD29		EVTO_N
139	PD30	GPIO[28]	SD Write Protect

UC3C-EK