參數(shù)資料
型號(hào): MC13214R2
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: SPECIALTY MICROPROCESSOR CIRCUIT, BGA71
封裝: 9 X 9 MM, 1 MM HEIGHT, ROHS COMPLIANT, LGA-71
文件頁數(shù): 70/70頁
文件大?。?/td> 802K
代理商: MC13214R2
MC13211/212/213/214 Technical Data, Rev. 0.0,
Freescale Semiconductor
9
2.1
Pin Definitions
Table 2 details the MC1321x pinout and functionality.
Table 2. Pin Function Description
Pin #
Pin Name
Type
Description
Functionality
1
PTA3/KBI1P3
Digital
Input/Output
MCU Port A Bit 3 /
Keyboard Input Bit 3
2
PTA4/KBI1P4
Digital
Input/Output
MCU Port A Bit 4 /
Keyboard Input Bit 4
3
PTA5/KBI1P5
Digital
Input/Output
MCU Port A Bit 5 /
Keyboard Input Bit 5
4
PTA6/KBI1P6
Digital
Input/Output
MCU Port A Bit 6 /
Keyboard Input Bit 6
5
PTA7/KBI1P7
Digital
Input/Output
MCU Port A Bit 7 /
Keyboard Input Bit 7
6
VDDAD
Power Input
MCU power supply to ATD Decouple to ground.
7
PTG0/BKGND/MS
Digital
Input/Output
MCU Port G Bit 0 /
Background / Mode Select
PTG0 is output only. Pin is I/O when used as BDM
function.
8
PTG1/XTAL
Digital
Input/Output/
Output
MCU Port G Bit 1 / Crystal
oscillator output
Full I/O when not used as clock source.
9
PTG2/EXTAL
Digital
Input/Output/
Input
MCU Port G Bit 2 / Crystal
oscillator input
Full I/O when not used as clock source.
10
CLKO
Digital Output
Modem Clock Output
Programmable frequencies of:
16 MHz, 8 MHz, 4 MHz, 2 MHz, 1 MHz, 62.5 kHz,
32.786+ kHz (default),
and 16.393+ kHz.
11
RESET
Digital
Input/Output
MCU reset. Active low
12
PTC0/TXD2
Digital
Input/Output
MCU Port C Bit 0 / SCI2
TX data out
13
PTC1/RXD2
Digital
Input/Output
MCU Port C Bit 1/ SCI2 RX
data in
14
PTC2/SDA1
Digital
Input/Output
MCU Port C Bit 1/ IIC bus
data
15
PTC3/SCL1
Digital
Input/Output
MCU Port C Bit 1/ IIC bus
clock
16
PTC4
Digital
Input/Output
MCU Port C Bit 4
17
PTC5
Digital
Input/Output
MCU Port C Bit 5
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