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參數(shù)資料
| 型號： | MSP50C614 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 0-BIT, 8 MHz, MIXED DSP, UUC85 |
| 封裝： | DIE-85 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 142K |
| 代理商： | MSP50C614 |
MSP50C614
MIXED-SIGNAL PROCESSOR
SPSS023A – DECEMBER 1999 – REVISED FEBRUARY 2000
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
pin assignments
Table 1. Signal and Pad Descriptions for the C614
SIGNAL
PIN NUMBER
PAD NUMBER
I/O
DESCRIPTION
Input/Output Ports
PA0 – PA7
66 – 59
75 – 68
I/O
Port A general-purpose I/O
(1 Byte)
PB0 – PB7
76 – 69
85 – 78
I/O
Port B general-purpose I/O
(1 Byte)
PC0 – PC7
90 – 83
8 – 1
I/O
Port C general-purpose I/O
(1 Byte)
PD0 – PD7
100 – 93
18 – 11
I/O
Port D general-purpose I/O
(1 Byte)
PE0 – PE7
51 – 44
63 – 56
I/O
Port E general-purpose I/O
(1 Byte)
PF0 – PF7
16 – 9
31 – 24
I
Port F key-scan input
(1 Byte)
PG0 – PG7
37 – 30
49 – 42
O
Port G dedicated output
(2 Bytes)
PG8 – PG15
25 – 18
39 – 32
Pins PD4 and PD5 may be dedicated to the comparator function, if the comparator enable bit is set.
Refer to Section 3.3,
Comparator, for details. (Currently not supported)
Scan Port Control Signals
SCANIN
42
54
I
Scan port data input
SCANOUT
38
50
O
Scan port data output
SCANCLK
41
53
I
Scan port clock
SYNC
40
52
I
Scan port synchronization
TEST
39
51
I
C614: test modes
The scan port pins must be bonded out on any C614 production board.
Consult the “Important Note regarding Scan Port Bond Out”, see Chapter 7 in the MSP50C614 User’s Guide (SPSU014).
Oscillator Reference Signals
X2 (OSCOUT)
56
65
O
Resistor/crystal reference out
X1 (OSCIN)
57
66
I
Resistor/crystal reference in
PLL
58
67
O
Phase-lock-loop filter
DAC Sound Output
DACP
7
22
O
Digital-to-analog output 1 (+)
DACM
5
20
O
Digital-to-analog output 2 (–)
Initialization
RESET
43
55
I
Initialization
Power Signals
VSS
1, 26, 52, 67, 91
9, 19, 40, 64, 76
Ground
VDD
6, 8, 27, 68, 92
10, 21, 23, 41, 77
Processor power (+)
The VSS and VDD connections service the DAC circuitry.Theirpinstendtosustainahighercurrentdraw.Adedicateddecouplingcapacitoracross
these pins is therefore required.
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