Z90255 ROM和OTP Z90251

32 KB电视控制器， OSD

iv

9

脉宽调制器............................................... ................... 68

9.1

9.2

9.3

PWM模式寄存器............................................... ....................... 68

PWM1通过PWM11 ............................................... .................. 70

数字/模拟转换与PWM ............................................ 79

10

11

模拟数字转换器............................................ ................. 80

电气特性................................................ ................. 83

11.1

11.2

11.3

11.4

绝对最大额定值............................................... ............. 83

直流特性................................................ ......................... 84

AC特征................................................ ......................... 85

时序图................................................ ............................. 86

12

包装................................................. ...................................... 87

订购信息................................................ ....................... 88

ROM代码提交............................................... .................... 88

客户反馈表............................................... ............... 89

PS001301-0800