参数资料
型号: MC44BS374T1EF
厂商: Freescale Semiconductor
文件页数: 34/34页
文件大小: 0K
描述: IC AUDIO/VIDEO MODULATOR 16-SOIC
标准包装: 48
类型: NTSC/PAL 调制器
应用: 音频/视频,VCR,机顶盒
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC N
包装: 管件
I2C Programming
MC44BS374T1/374T1A Advance Information
WRITE MODE: Test Mode 2
NOTE:
Test modes 1 and 2 are intended for manufacturing test purposes only and
cannot be used for normal applications, except for VHF range (states 1.b
to 1.e).
READ MODE
X5
X4
X3
State
Description
0
2.a
Normal operation
0
1
2.b
Test pattern generator DC verification (Test pattern DC test mode available)
0
1
0
2.c
Program divider test (UHF program divider on PLLFILT pin and sound program
divider on SPLLFIL pin)
0
1
2.d
Reference divider test (UHF reference divider on PLLFILT pin)
1
0
2.e
UHF phase comparison, upper source on PLLFILT pin
Sound phase comparison 10
A upper source on SPLLFIL
(Only valid during transient output inhibit.)
1
0
1
2.f
UHF phase comparison, lower source on PLLFILT pin
Sound phase comparison 10
A lower source on SPLLFIL
(Only valid during transient output inhibit.)
1
0
2.g
Sound phase comparison 1
A upper source on SPLLFIL
(Not valid during transient output inhibit.)
1
2.h
Sound phase comparison 1
A lower source on SPLLFIL
(Not valid during transient output inhibit.)
OOR
Description
0
Normal operation, VCO in range
1
VCO out of range
Y1
Description
0
VCO out of range, frequency too low, only valid if OOR=1
1
VCO out of range, frequency too high, only valid if OOR=1
Y2
Description
0
High VCO is active
1
Low VCO is active
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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