參數(shù)資料
型號(hào)： 9S12XDP512DGV2
英文描述： Device User Guide for Mask Set L15Y - (Second Silicon - Enhanced Feature Set)
中文描述： 設(shè)備用戶指南掩模組L15Y - （二硅-增強(qiáng)的功能集）
文件頁數(shù)： 72/152頁
文件大?。?/td> 1231K
代理商： 9S12XDP512DGV2
MC9S12XDP512 Device User Guide — 9S12XDP512DGV1/D V01.12
72
2.3 Detailed Signal Descriptions
2.3.1 EXTAL, XTAL — Oscillator Pins
EXTALandXTALarethecrystaldriverandexternalclockpins.Onresetallthedeviceclocksarederived
from the EXTAL input frequency. XTAL is the crystal output.
2.3.2 RESET — External Reset Pin
Anactivelowbidirectionalcontrolsignal,itactsasaninputtoinitializetheMCUtoaknownstart-upstate,
and an output when an internal MCU function causes a reset.The RESET pin has an internal pullup device.
2.3.3 TEST — Test Pin
This input only pin is reserved for test. This pin has a pulldown device.
NOTE:
The TEST pin must be tied to VSS in all applications.
2.3.4 VREGEN — Voltage Regulator Enable Pin
This input only pin enables or disables the on-chip voltage regulator. The input has a pullup device.
PT[7:0]
IOC[7:0]
—
—
—
VDDX
PERT/
PPST
Disabled
Port T I/O, Timer channels
Pin Name
Funct. 1
Pin Name
Funct. 2
Pin Name
Funct. 3
Pin Name
Funct. 4
Pin Name
Funct. 5
Power
Supply
Internal Pull
Resistor
Description
CTRL
Reset
State
F
For More Information On This Product,
Go to: www.freescale.com
n
.
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