參數(shù)資料
型號: MC56F8322VFAE
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 數(shù)字信號處理
英文描述: 0-BIT, 120 MHz, OTHER DSP, PQFP48
封裝: ROHS COMPLIANT, LQFP-48
文件頁數(shù): 135/136頁
文件大?。?/td> 719K
代理商: MC56F8322VFAE
56F8322 Techncial Data, Rev. 16
98
Freescale Semiconductor
Preliminary
Part 8 General Purpose Input/Output (GPIO)
8.1 Introduction
This section is intended to supplement the GPIO information found in the 56F8300 Peripheral User
Manual and contains only chip-specific information. This information supercedes the generic information
in the 56F8300 Peripheral User Manual.
8.2 Configuration
There are three GPIO ports defined on the 56F8322/56F8122. The width of each port and the associated
peripheral function is shown in Table 8-1 and Table 8-2. The specific mapping of GPIO port pins is
shown in Table 8-3.
Table 8-1 56F8322 GPIO Ports Configuration
GPIO Port
Port
Width
Available
Pins in
56F8322
Peripheral Function
Reset Function
A12
7
PWM, SPI 1
PWM
B8
8
SPI 0, DEC 0, TMRA, SCI 1
SPI 0, DEC 0
C7
6
XTAL, EXTAL, CAN, TMRC, SCI 0
XTAL, EXTAL, CAN, TMRC
Table 8-2 56F8122 GPIO Ports Configuration
GPIO Port
Port
Width
Available
Pins in
56F8122
Peripheral Function
Reset Function
A12
7
SPI 1
Must be reconfigured
B8
8
SPI 0, SCI1, TMRA
SPI 0, other pins must be reconfigured
C7
6
XTAL, EXTAL, TMRC, SCI 0
XTAL, EXTAL, TMRC; other pins must be
reconfigured
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