參數(shù)資料
型號(hào)： VMX1C1020
廠商： Electronic Theatre Controls, Inc.
英文描述： Versa Mix 8051 Mixed-Signal MCU
中文描述： 反之亦然混合8051混合信號(hào)微控制器
文件頁數(shù)： 2/80頁
文件大?。?/td> 3605K
代理商： VMX1C1020
VMX51C1020
_________________________________________________________________________________________________________
www.ramtron.com
page 2 of 80
VMX51C1020 Pins Description
Table 1: Pin out description
PIN
NAME
FUNCTION
1
OPIN-
Inverting Input of the Operational Amplifier
2
OPIN+
Non-inverting Input of the Operational Amplifier
3
POT1A
Digitally Controlled Potentiometer 1A
4
POT1B
Digitally Controlled Potentiometer 1B
5
SW1A
Digitally Controlled Switch 1A
6
SW1B
Digitally Controlled Switch 1B
7
TX1D-
RS-485/RS422 compatible differential
Transmitter, Negative side
8
RX1D-
RS-485/RS422 compatible differential Receiver
Negative side
9
TX1D+
RS-485/RS422 compatible differential
Transmitter, Positive side
10
RX1D+
RS-485/RS422 compatible differential Receiver
Positive side
11
P0.3-RX1
I/O - Asynchronous UART1 Receiver Input
12
P0.2-TX1
I/O - Asynchronous UART1 Transmitter Output
13
P0.1-
T2EX
I/O -Timer/Counter 2 Input
14
P0.0-T2IN
I/O -Timer/Counter 2 Input
15
P1.0-
PWM0
I/O - Pulse Width Modulator output 0
16
P1.1-
PWM1
I/O - Pulse Width Modulator output 1
17
P1.2-
PWM2
I/O - Pulse Width Modulator output 2
18
P1.3-
PWM3
I/O - Pulse Width Modulator output 3
19
CCU2
Capture and Compare Unit 2 Input
20
INT1
Interrupt Input 1
21
DGND
Digital Ground
22
P2.0-CS3-
I/O - SPI Chip Enable Output (Master Mode)
23
P2.1-CS2-
I/O - SPI Chip Enable Output (Master Mode)
24
P2.2-CS1-
I/O - SPI Chip Enable Output (Master Mode)
25
P2.3-CS0-
I/O - SPI Chip Enable Output (Master Mode)
26
P2.4-SS-
I/O - SPI Chip Enable Output (Slave Mode)
27
P2.5-SCK
I/O - SPI Clock (Input in Slave Mode)
28
P2.6-SDO
I/O - SPI Data Output Bus
29
P2.7-SDI
I/O - SPI Data Input Bus
30
VDD
Digital Supply
31
P1.4
I/O
32
P1.5
I/O
33
P1.6
I/O
34
P1.7
I/O
35
OSC1
Oscillator Crystal Output
36
OSC0
Oscillator Crystal input/External Clock Source
Input
37
P3.0-TX0
I/O - Asynchronous UART0 Transmitter Output
38
P3.1-RX0
I/O - Asynchronous UART0 Receiver Input
PIN
NAME
FUNCTION
39
P3.2-T0IN
I/O - Timer/Counter 0 Input
40
VDD
5V Digital
41
P3.3-
CCU0
I/O - Capture and Compare Unit 0 Input
42
P3.4-
CCU1
I/O - Capture and Compare Unit 1 Input
43
P3.5-T1IN
I/O - Timer/Counter 1 Input
44
VPP
Flash Programming Voltage Input
45
P3.6-SDA
I/O - I2C / Prog. Interface Bi-Directional Data
Bus
46
NC
Not Connected, leave floating
47
NC
Not Connected
48
P3.7-SCL
I/O - I2C / Prog. Interface Clock
49
AGND
Analog Ground
50
INT0
External interrupt Input (Negative Level or Edge
Triggered)
51
PM
Mode Control Input
52
RES-
Hardware Reset Input (Active low)
53
ISRCOUT-
TA
Programmable Current Source Analog Output
54
ISRCIN
Programmable Current Source Input
55
POT2A
Digitally Controlled Potentiometer 2A
56
POT2B
Digitally Controlled Potentiometer 2B
57
VDDA
Analog Supply
58
ADCI3
Analog to Digital Converter ext. Input 3
59
ADCI2
Analog to Digital Converter ext. Input 2
60
ADCI1
Analog to Digital Converter ext. Input 1
61
ADCI0
Analog to Digital Converter ext. Input 0
62
XTVREF
External Reference Voltage Input
63
AGND
Analog Ground
64
OPOUT
Output of the Operational Amplifier
F
IGURE
3: VMX51C1020
PINOUT
17
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
48
49
32
33
P1.3 PWM3
P1.2 PWM2
INT1
CCU2
P2.0 – CS3-
DGND
P2.2 – CS1-
P2.1 – CS2-
P2.4 – SS-
P2.3 – CS0-
P2.6 – SDO
P2.5 – SCK
VDD
P2.7 – SDI
P1.5
P1.4
O
O
P
P
S
S
R
T
R
T
P
P
P
P
P
P
AGND
OPOUT
ADCI0
XTVREF
ADCI2
ADCI1
VDDA
ADCI3
POT2A
POT2B
ISRCOUT – TA
ISRCIN
PM
RES-
AGND
INT0
P
P
O
O
P
P
V
P
P
P
V
P
N
P
P
N
18
19
20
21
22
23
24
25
26
27
28
29
30
31
34
35
36
37
38
39
40
41
42
43
44
45
46
47
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
VMX51C1020
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