User's Manual

DFZM-E72xx
Data Sheet Sheet 12 of 40 Sep 16, 2013
Proprietary Information and Specifications are Subject to Change
3-2-4.Peripherals
The DFZM-E72xx has 22 multipurpose GPIO pins, which may be individually configured as:
 General purpose output
 General purpose open-drain output
 Alternate output controlled by a peripheral device
 Alternate open-drain output controlled by a peripheral device
 Analog
 General purpose input
 General purpose input with pull-up or pull-down resistor
The GPIO signal assignments are shown in Table 3-1.
GPIO Analog Alternate Output Input Output Current Drive
PA0 TIM2C1
1
, SC2MOSI TIM2C1
1
, SC2MOSI Standard
PA1 TIM2C3
1
, SC2MISO, SC2SDA TIM2C3
1
, SC2MISO, SC2SDA Standard
PA2 TIM2C4
1
, SC2SCLK, SC2SCL TIM2C4
1
, SC2SCLK Standard
PA3 TIM2C2
1
, TRACECLK TIM2C2
1
, SC2nSSEL Standard
PA4 ADC4 PTI_EN, TRACEDATA2 Standard
PA5 ADC5 PTI_DATA, TRACEDATA3 nBOOTMODE
2
Standard
PA6 TIM1C3 TIM1C3 High
PA7 TIM1C4, REG_EN
3
TIM1C4 High
PB0 VREF TRACECLK TIM1CLK, TIM2MSK, IRQA Standard
PB1
TIM2C1
4
, SC1TXD, SC1MOSI,
SC1MISO, SC1SDA
TIM2C1
4
, SC1SDA Standard
PB2 TIM2C2
4
, SC1SCLK
TIM2C2
4
, SC1MISO, SC1MOSI,
SC1SCL, SC1RXD
Standard
PB3 TIM2C3
4
, SC1SCLK TIM2C3
4
, SC1SCLK, SC1nCTS Standard
PB4 TIM2C4
4
, SC1nRTS TIM2C4
4
, SC1nSSEL Standard
PB5 ADC0 TIM2CLK, TIM1MSK Standard
PB6 ADC1 TIM1C1 TIM1C1, IRQB High
PB7 ADC2 TIM1C2 TIM1C2 High
PC0 TRACEDATA1 JRST
5
High