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參數(shù)資料
| 型號： | 935261296518 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4 CHANNEL(S), 500K bps, SERIAL COMM CONTROLLER, PQCC68 |
| 封裝： | PEDESTAL, PLASTIC, MO-047, SOT-188-3, LCC-68 |
| 文件頁數(shù)： | 23/52頁 |
| 文件大?。?/td> | 303K |
| 代理商： | 935261296518 |
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Philips Semiconductors
Product specification
SC28L194
Quad UART for 3.3V and 5V supply voltage
2001 Feb 13
3
ORDERING CODE
VCC = 3.3V ±10%
VCC = 5V ±10%
PACKAGES
Industrial
DWG #
Industrial
-40
°C to +85°C
Industrial
-40
°C to +85°C
68-Pin Plastic Leaded Chip Carrier (PLCC)
SC28L194A1A
SOT188-3
80-Pin Plastic Low Profile Quad Flat Pack (LQFP)
SC28L194A1BE
SOT315-1
PIN CONFIGURATIONS
9
161
10
26
27
43
44
60
80
61
1
20
21
40
41
60
68-Pin PLCC
TOP VIEW
80-Pin LQFP
TOP VIEW
SD00544
Figure 1.
Pin Configurations
PINOUT - 68 PIN PACKAGE
Pin Assignments
4 Vss_ic, 4 Vcc_i, 4 Vss_o, 2 Vcc_o, 2Vcc_c
1
Vss_ic
24
I/O0c
47
D1
2
Vcc_c
25
I/O1c
48
D2
3
Vcc_i
26
Vss_o
49
D3
4
W_RN
27
I/O2c
50
VCC_O
5
A0
28
I/O3c
51
D4
6
CEN
29
RxDc
52
D5
7
DACKN
30
TxDc
53
VSS_IC
8
I/O0a
31
RxDd
54
VCC_I
9
I/O1a
32
TxDd
55
D6
10
I/O2a
33
Vcc_c
56
D7
11
I/O3a
34
Vcc_i
57
IRQN
12
Vss_o
35
Vss_ic
58
IACKN
13
RxDa
36
RESETN
59
VSS_O
14
TxDa
37
Gin0
60
X1
15
I/O0b
38
Gin1
61
X2
16
I/O1b
39
I/O0d
62
A7
17
Vcc_o
40
I/O1d
63
A5
18
Vcc_i
41
I/O2d
64
A4
19
Vss_ic
42
Gout0
65
A3
20
I/O2b
43
I/O3d
66
A2
21
I/O3b
44
Gout1
67
A1
22
RxDb
45
Vss_o
68
SClk
23
TxDb
46
D0
PINOUT - 80 PIN THIN PACKAGE
Pin Assignments
4 Vss_ic, 4 Vcc_i, 4 Vss_o, 2 Vcc_o, 2Vcc_c
1
I/O1a
28
TxDd
54
D6
2
I/O2a
29
Vcc_c
55
D7
3
I/O3a
30
Vcc_i
56
IRQN
4
Vss_o
31
Vss_ic
57
IACKN
5
RxDa
32
RESETN
58
Vss_o
6
TxDa
33
Gin0
59
X1
7
I/O0b
34
Gin1
60
X2
8
I/O1b
35
I/O0d
61-62
nc
9
Vcc_o
36
I/O1d
63
A7
10
Vcc_i
37
I/O2d
64
A5
11
Vss_ic
38
Gout0
65
A4
12
I/O2b
39-41
nc
66
A3
13
I/O3b
42
I/O3d
67
A2
14
RxDb
43
Gout1
68
A1
15
TxDb
44
Vss_o
69
SClk
16
I/O0c
45
D0
70
Vss_ic
17
I/O1c
46
D1
71
Vcc_c
18
Vss_o
47
D2
72
Vcc_i
19
I/O2c
48
D3
73
W_RN
20-23
nc
49
Vcc_o
74
A0
24
I/O3c
50
D4
75
CEN
25
RxDc
51
D5
76
DACKN
26
TxDc
52
Vss_ic
77
I/O0a
27
RxDd
53
Vcc_i
78-80
nc
NOTE: The Vss-ic and Vcc_i are for input and noise sensitive circuits. Sclk signals in the range of 3 to 6 ns and within TTL input levels may
alter expected read or write functions. The Vss _o and Vcc _o pins are used for the high current drivers. De-coupling capacitors should be used
as close to the device power pins as possible. Address bit A6 is not used. See “Host Interface” section.
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