參數(shù)資料
型號: DMC73C168
英文描述: 8Bit Single Chip Microcontroller
中文描述: 8位單芯片微控制器
文件頁數(shù): 7/90頁
文件大?。?/td> 742K
代理商: DMC73C168
7
8Bit Single Chip Microcontroller
DMC73C167
2.2 Pin Description (Continued)
Pin
Pin Number
Symbol
Primary
SE
RED
33
43
O
OSD red color output
CMOS output
GREEN
34
44
O
OSD green color output
CMOS output
BLUE
35
45
O
OSD blue color output
CMOS output
Yout
36
46
O
OSD blanking signal
Active high or low(mask option)
/HYSNC
37
47
I
H SYNC input
OSD H position reference
/VSYNC
38
48
I
V SYNC input
OSD V position reference
OSCI_OSD
39
49
I
Clock input for OSD
OSCO_OSD
40
50
O
Clock output for OSD
A2(ECI2)
41
51
I/O
I/O, Timer 2 clock input
Internal pull-up(+5V) resistor
(mask option). Event counter
or normal I/O
TEST
42
52
I
Should be fixed to 0
For device test
OSCI_CPU
43
53
I
Clock input for CPU
OSCO_CPU
44
54
O
Clock output for CPU
/RESET
45
55
I
For CPU reset
A1(ECI1)
46
56
I/O
I/O, Timer 1 clock input
Event counter or normal I/O
A3(INT1)
47
57
I/O
External interrupt 1
With Schmitt trigger
A4(INT3_0)
48
58
I/O
External interrupt 3_0
With Schmitt trigger
A5(INT5_0)
49
59
I/O
External interrupt 5_0
With Schmitt trigger
A6
50
60
I/O
Digital I/O
A0 to A6 can be optionally pulled
up(+5V) during masking process
SDA
51
61
I/O
Data pin for I2C
Open drain(+5V) with
SCL
52
62
I/O
Clock pin for I2C
Schmitt input
A7
53
63
I/O
Digital I/O
Internal pull-up(+5V) resistor
(mask option)
VCC
54
64
I
4.5V-5.5V
Function
Description
I/O
££á££×££
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