參數(shù)資料
型號: SAF-XC2264-72F66L
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 32-BIT, FLASH, 66 MHz, MICROCONTROLLER, PQFP100
封裝: 0.50 MM PITCH, GREEN, PLASTIC, LQFP-100
文件頁數(shù): 78/116頁
文件大?。?/td> 1516K
代理商: SAF-XC2264-72F66L
XC2267 / XC2264
XC2000 Family Derivatives
Functional Description
Data Sheet
62
V2.1, 2008-08
3.15
Parallel Ports
The XC226x provides up to 75 I/O lines which are organized into 7 input/output ports and
2 input ports. All port lines are bit-addressable, and all input/output lines can be
individually (bit-wise) configured via port control registers. This configuration selects the
direction (input/output), push/pull or open-drain operation, activation of pull devices, and
edge characteristics (shape) and driver characteristics (output current) of the port
drivers. The I/O ports are true bidirectional ports which are switched to high impedance
state when configured as inputs. During the internal reset, all port pins are configured as
inputs without pull devices active.
All port lines have alternate input or output functions associated with them. These
alternate functions can be programmed to be assigned to various port pins to support the
best utilization for a given application. For this reason, certain functions appear several
times in Table 9.
All port lines that are not used for alternate functions may be used as general purpose
I/O lines.
Table 9
Summary of the XC226x’s Parallel Ports
Port
Width
Alternate Functions
Port 0
8
Address lines,
Serial interface lines of USIC1, CAN0, and CAN1,
Input/Output lines for CCU61
Port 1
8
Address lines,
Serial interface lines of USIC1 and USIC2,
Input/Output lines for CCU62,
OCDS control, interrupts
Port 2
13
Address and/or data lines, bus control,
Serial interface lines of USIC0, CAN0, and CAN1,
Input/Output lines for CCU60, CCU63, and CAPCOM2,
Timer control signals,
JTAG, interrupts, system clock output
Port 4
8
Chip select signals,
Serial interface lines of CAN2,
Input/Output lines for CAPCOM2,
Timer control signals
Port 5
16
Analog input channels to ADC0,
Input/Output lines for CCU6x,
Timer control signals,
JTAG, OCDS control, interrupts
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