參數(shù)資料
型號： MC56F8335MFGE
廠商： FREESCALE SEMICONDUCTOR INC
元件分類： 數(shù)字信號處理
英文描述： 4-BIT, 120 MHz, OTHER DSP, PQFP128
封裝： ROHS COMPLIANT, PLASTIC, LQFP-128
文件頁數(shù)： 25/164頁
文件大?。?/td> 871K
代理商： MC56F8335MFGE
56F8335 Technical Data, Rev. 5
120
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 Memory Maps
The width of the GPIO port defines how many bits are implemented in each of the GPIO registers. Based
on this and the default function of each of the GPIO pins, the reset values of the GPIOx_PUR and
GPIOx_PER registers change from port to port. Tables 4-29 through 4-34 define the actual reset values of
these registers.
8.3 Configuration
There are six GPIO ports defined on the 56F8335/56F8135. 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 56F8335 GPIO Ports Configuration
GPIO Port
Port
Width
Available
Pins in
56F8335
Peripheral Function
Reset Function
A14
6
6 pins - EMI Address pins - Can only be used as GPIO
8 pins - EMI Address pins - Not available in this package
EMI Address
N/A
B8
5
5 pins - EMI Address pins - Can only be used as GPIO
3 pins - EMI Address pins - Not available in this package
GPIO
N/A
C11
11
4 pins - DEC1 / TMRB / SPI1
4 pins - DEC0 / TMRA
3 pins - PWMA current sense
DEC1 / TMRB
DEC0 / TMRA
PWMA current
sense
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