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參數資料
| 型號： | BU38803 |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP80 |
| 封裝： | QFP-80 |
| 文件頁數： | 3/7頁 |
| 文件大?。?/td> | 78K |
| 代理商： | BU38803 |
3
Video ICs
BU38603 / BU38703 / BU38803
Pin descriptions
1
VSAD
2
ADC0
3
ADC1
4
ADC2
5
ADC3
6
ADC4
7
ADC5
8
ADC6
9
ADC7
10
VDAD
11
DFGOUT
12
DFGIN
13
DPGIN
14
CFGIN
15
CFGOUT
16
VSSA
17
Vref
18
CTLAMP –
19
CTLAMPOUT
20
CTL –
21
CTL +
22
VDDA
23
RESETB
24
TEST
25
PO5
26
PO4
27
P31
28
P30
29
P29
30
P28
31
P27
32
P26
33
P25
34
P24
35
P23
36
P22
37
PO3
38
VHSW
39
AHSW
40
HAMPSW
41
CHROT
42
FV
43
VDD
44
PWM0
45
PWM1
46
P21
47
P20
48
P19
49
P18
50
P17
51
P16
52
P15
53
P14
54
P13
55
P12
56
P11
57
P10
58
59
PO2
60
PO1
61
PO0
62
CLOCKO
63
CLOCKI
64
VSS
65
P8
66
P7
67
P6
68
P5
69
P4
70
P3
71
P2
72
P1
73
P0
74
SI
75
SO
76
SCK
77
ENVIN
78
CSYNC
79
COUNTP
80
PBCTL
P9
Pin name
Function
Pin name
Pin No.
Function
A / D convertor circuit GND.
Can be optionally mask – programmed
to be either A / D or parallel inputs.
A / D convertor circuit power supply.
Drum FG amplifier output
Drum FG amplifier input
Drum PG comparator input
Capstan FG amplifier input
Capstan FG amplifier output
Linear circuit GND
Internal BIAS and power-on reset pin
CTL amplifier – input
CTL amplifier output
CTL coil – connection
CTL coil + connection
Linear circuit power supply
Power supply reset
Test mode input (normally GND)
Parallel output
Parallel I / O
Parallel I / O and pattern generator
output
Chroma rotary switch output
Pseudo Vsync output
Logic circuit power supply
PWM output
Parallel I / O
Parallel output
For connection of oscillator
Logic circuit GND
Parallel I / O
Parallel I / O and external interrupt
Serial I / O data input
Serial I / O data I / O
Serial I / O clock I / O
Envelope detector logic input
Composite signal logic input
CTL counter pulse output
CTL logic output
Parallel output and pattern generator output
Head amplifier switch output
Pattern generator AHSW output
Pattern generator VHSW output
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