Hardware Development Guide of Module Product
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23
MF206A
3
Interfaces
3.1
Definition of PINs
3.1.1
Definition of PIN I/O Parameters
The definition of module I/O parameter is as shown in Table 3–1.
Table 3–1 PIN Parameters
PIN Attribute
Description
DI
Digital Input Pin
DO
Digital Output Pin
AI
Analog Input Pin
AO
Analog Output Pin
B
Two-way digital port, CMOS
input
Z
High-resistance output
P1
PIN group 1, the power supply
voltage is VDD_P1
P2
PIN group 2, the power supply
voltage is VDD_P2
PU
PIN internal pull-up
PD
PIN internal pull-down
3.1.2
PIN Configuration Diagram
The PIN sequence of interfaces on module is defined as shown in Figure 3–1.