Hardware Development Guide of Module Product
10
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3
Interfaces
3.1
Definition of PINs
3.1.1
Definition of PIN I/O Parameters
The definition of ZM5202 I/O parameter is as shown in Table 3-1.
Table 3-1 PIN Parameters
PIN Attribute
Description
I
Input PIN
O
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
A, AI, AO, AIO
Analog circuit
3.1.2
PIN Configuration Diagram
The PIN sequence of interfaces on ZM5202 is defined as shown in Figure 3-1.
