Maxim Integrated MAXQ622 User Manual
Page 105
MAXQ612/MAXQ622 User’s Guide
Maxim Integrated
6-3
All these special functions are disabled by default with the exception of the JTAG interface pins, which are enabled
by default following any reset .
The port pin input/output states can be defined as shown in Table 6-2 .
Table 6-2. MAXQ612/MAXQ622 Port Pin Input/Output States
Table 6-1. Port Pin Special Functions (continued)
*Port 6 is not available in the 64-pin LQFP package. It is only available on the bare die variant.
PORT PIN
DIRECTION
SPECIAL FUNCTION
ENABLED WHEN
P4 .2
Input/Output
—
—
P4 .3
Input/Output
—
—
P4 .4
Input/Output
—
—
P4 .5
Input/Output
—
—
P4 .6
Input/Output
—
P4 .7
Input/Output
—
P5 .0
Input/Output
SPI 1 Master Out-Slave In (MOSI1)
SPIEN1 = 1
P5 .1
Input/Output
SPI 1 Master In-Slave Out (MISO1)
SPIEN1 = 1
P5 .2
Input/Output
SPI 1 Slave Clock (SCLK1)
SPIEN1 = 1
P5 .3
Input/Output
SPI 1 Slave Select (SSEL1)
SPIEN1 = 1
P6 .0*
Input/Output
—
—
P6 .1*
Input/Output
—
—
P6 .2*
Input/Output
—
—
P6 .3*
Input/Output
—
—
P6 .4*
Input/Output
—
—
P6 .5*
Input/Output
—
—
P6 .6*
Input/Output
—
—
P6 .7*
Input/Output
—
—
PDx.y
POx.y
PORT PIN MODE
PORT PIN (Px.y) STATE
0
0
Input
Three-state
0
1
Input
Weak pullup HIGH
1
0
Output
Strong drive LOW
1
1
Output
Strong drive HIGH