Datasheet

Table Of Contents
8
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
When “Reset State” is stated, the configuration is defined by the “Reset State” column of the Pin Description table.
LCDPWM LCD Contrast Control Output
LCDDISP LCD Display Enable Output
Analog-to-Digital Converter - ADC
AD0
XP_UL
Top/Upper Left Channel Analog
AD1
XM_UR
Bottom/Upper Right Channel Analog
AD2
YP_LL
Right/Lower Left Channel Analog
AD3
YM_SENSE
Left/Sense Channel Analog
AD4
LR
Lower Right Channel Analog
AD5-AD11 7 Analog Inputs Analog
ADTRG ADC Trigger Input
ADVREF ADC Reference Analog
Table 3-1. Signal Description List (Continued)
Signal Name Function Type Active Level
Table 3-2. SAM9N12/CN11/CN12 I/O Type Description
I/O Type Signal Name
Voltage
Range
Analog Pull-up
Pull-up
Value
(Ohm)
Pull-down
Pull-down
Value
(Ohm)
Schmitt
Trigger
GPIO
All PIO lines except the lines
indicated further on in this table
1.65-3.6V Switchable 50-100K Switchable 50-100K Switchable
GPIO_CLK MCICK, SPI0SPCK, SPI1SPCK 1.65-3.6V Switchable 50-100K Switchable 50-100K Switchable
GPIO_CLK2 LCDDOTCK 1.65-3.6V Switchable 50-100K Switchable 50-100K Switchable
GPIO_ANA ADx, GPADx 3.0-3.6V I Switchable 50-100K Switchable
EBI
All data lines (Input/output) except
the lines indicated further on in this
table
1.65-1.95V,
3.0-3.6V
Switchable 50-100K Switchable 50-100K
EBI_O
All address and control lines
(output only) except the lines
indicated further on in this table
1.65-1.95V,
3.0-3.6V
Reset State 50-100K Reset State 50-100K
EBI_CLK SDCK, #SDCK
1.65-1.95V,
3.0-3.6V
RSTJTAG
NRST, NTRST, BMS, TCK, TDI,
TMS, TDO, RTCK
3.0-3.6V Reset State 100K Reset State 100K Reset State
SYSC WKUP, SHDN, JTAGSEL, SHDN 1.65-3.6V Reset State 100k Reset State 15K Reset State
USBFS HDP, HDM, DDP, DDM 3.0-3.6V I/O
CLOCK XIN, XOUT, XIN32, XOUT32 1.65-3.6V I/O