参数资料
型号: M68HC705UGANG
厂商: 飞思卡尔半导体(中国)有限公司
英文描述: High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit
中文描述: 高密度互补金属氧化物半导体(HCMOS)微控制器
文件页数: 71/112页
文件大小: 809K
代理商: M68HC705UGANG
MC68HC05BD3
8-11
SYNC SIGNAL PROCESSOR
8
8.4
System Operation
The incoming signals can be either separate HSYNC and VSYNC or composite sync through
HSYNC input. Polarity correction is performed before the sync signals go any further into the
system. The sync pulse detection block continuously monitors the signals to see if the signals are
active. If the signals are not active, the circuit switches to output the internally generated sync
signals. This will protect the circuits behind from being damaged by inactive signals.
A typical monitor system operation is summarized in Figure 8-6.
Note:
User is required to check the HDET and VDET at VSIN=0 first. If either or both are not
detected, user then set VSIN=1 to check HDET and VDET. It is because if the incoming
signal is a valid composite signal, HDET and VDET are both read 1 even VSIN=1.
Note:
Each time if VDET is not detected when VSIN=1, user needs to clear VSIN to check
VDET. If VDET is still not detected, user then set VSIN to check them again to decide
what mode it is.
TPG
69
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
相关PDF资料
PDF描述
M68TC11E20B56 HC11 Microcontrollers
M68Z128W-70N1T 3V, 1 Mbit 128Kb x8 Low Power SRAM with Output Enable
M68Z128WN 3V, 1 Mbit 128Kb x8 Low Power SRAM with Output Enable
M68Z128W 3V, 1 Mbit 128Kb x8 Low Power SRAM with Output Enable
M69AW024BL60ZB8T 16 Mbit (1M x16) 3V Asynchronous PSRAM
相关代理商/技术参数
参数描述
M68HC705UPGMR 制造商:FREESCALE 制造商全称:Freescale Semiconductor, Inc 功能描述:High-density complementary metal oxide semiconductor (HCMOS) microcontroller unit
M68HC705X16PGMR 制造商:Rochester Electronics LLC 功能描述:- Bulk
M68HC711CFD 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:CONFIG REGISTER PROGRAMMING FOR EEPROM-BASED MHC MICROCONTROLLERS
M68HC711CFG 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:CONFIG REGISTER PROGRAMMING FOR EEPROM-BASED MHC MICROCONTROLLERS
M68HC711CFG/D 制造商:MOTOROLA 制造商全称:Motorola, Inc 功能描述:CONFIG REGISTER PROGRAMMING FOR EEPROM-BASED MHC MICROCONTROLLERS