User's Manual

DFZM-E72xx
Data Sheet Sheet 14 of 40 Sep 16, 2013
Proprietary Information and Specifications are Subject to Change
PB1 PB2 PB3 PB4
SPI-Master
SC1MOSI Alternate
Output (push-pull)
SC1MISO Input
SC1SCLK Alternate
Output (push-pull)
(not used)
SPI-Slave
SC1MISO Alternate
Output (push-pull)
SC1MOSI Input SC1SCLK Input SC1nSSEL Input
TWI-Master
SC1SDA Alternate
Output (open-drain)
SC1SCL Alternate
Output (open-drain)
(not used) (not used)
UART
TXD Alternate Output
(push-pull)
RXD Input nCTS Input
1
nRTS Alternate Output
(push-pull)*
*Note: used if RTS/CTS hardware flow control is enabled.
Table 3-2: DFZM-E72xx SC1 GPIO Usage and Configuration
PA0 PA1 PA2 PA3
SPI-Master
SC2MOSI Alternate
Output (push-pull)
SC2MISO Input
SC2SCLK Alternate
Output (push-pull)
(not used)
SPI-Slave
SC2MOSI Input
SC2MISO Alternate
Output (push-pull)
SC2SCLK Input SC2nSSEL Input
TWI-Master
(not used)
SC2SDA Alternate
Output (open-drain)
SC2SCL Alternate
Output (open-drain)
(not used)
Table 3-3: DFZM-E72xx SC2 GPIO Usage and Configuration