VRS51C1000-40-PG Ramtron, VRS51C1000-40-PG Datasheet - Page 2

• Manufacturer Part Number: VRS51C1000-40-PG
• Description: Microcontrollers (MCU) 64K+1K 40MHz 5V
• Manufacturer: Ramtron

Specifications of VRS51C1000-40-PG

• Data Bus Width: 8 bit
• Program Memory Type: Flash
• Program Memory Size: 64 KB
• Data Ram Size: 1 KB
• Interface Type: UART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 36
• Number Of Timers: 3
• Operating Supply Voltage: 4.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• Package / Case: PDIP-40
• Minimum Operating Temperature: - 40 C
• Lead Free Status / Rohs Status: Details

Pin Descriptions for QFP-44/PLCC-44
T
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ABLE
QFP
VRS51C1000
- 44
10
11
12
13
14
15
16
17
18
19
20
21
22
23
1
2
3
4
5
6
7
8
9
PWM2/P1.5
PWM3/P1.6
PWM4/P1.7
#INT0/P3.2
#INT1/P3.3
1: P
RXD/P3.0
TXD/P3.1
T0/P3.4
T1/P3.5
RES
P4.3
IN
PLCC
D
- 44
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
ESCRIPTIONS FOR
7
8
9
17
7
10
11
12
13
14
15
16
8
9
18
6
19 20 21 22 23 24
5
PWM2
P1.5
PWM3
P1.6
PWM4
P1.7
RES
RXD
P3.0
P4.3
TXD
P3.1
#INT0
P3.2
#INT1
P3.3
T0
P3.4
T1
P3.5
#WR
P3.6
#RD
P3.7
XTAL2
XTAL1
VSS
P4.0
P2.0
A8
P2.1
A9
P2.2
A10
P2.3
A11
P2.4
A12
P2.5
A13
Name
4
VRS51C1000
3
PLCC-44
2
QFP-44/PLCC-44
1
44 43 42
25
O
I/O
O
I/O
O
I/O
I
I
I/O
I/O
O
I/O
I
I/O
I
I/O
I
I/O
I
I/O
O
I/O
O
I/O
O
I
-
I/O
I/O
O
I/O
O
I/O
O
I/O
O
I/O
O
I/O
O
I/O
26
41
27
40
28
39
38
37
36
35
34
33
32
31
30
29
PWM Channel 2
Bit 5 of Port 1
PWM Channel 3
Bit 6 of Port 1
PWM Channel 4
Bit 7 of Port 1
Reset
Receive Data
Bit 0 of Port 3
Bit 3 of Port 4
Transmit Data &
Bit 1 of Port 3
External Interrupt 0
Bit 2 of Port 3
External Interrupt 1
Bit 3 of Port 3
Timer 0
Bit 4 of Port 3
Timer 1 & 3
Bit 5 of Port
Ext. Memory Write
Bit 6 of Port 3
Ext. Memory Read
Bit 7 of Port 3
Oscillator/Crystal Output
Oscillator/Crystal In
Ground
Bit 0 of Port 4
Bit 0 of Port 2
Bit 8 of External Memory Address
Bit 1 of Port 2
Bit 9 of External Memory Address
Bit 2 of Port 2
Bit 10 of External Memory Address
Bit 3 of Port 2 &
Bit 11 of External Memory Address
Bit 4 of Port 2
Bit 12 of External Memory Address
Bit 5 of Port 2
Bit 13 of External Memory Address
P0.5/AD5
P2.6/A14
P2.5/A13
P0.4/AD4
P0.6/AD6
P0.7/AD7
#EA
P4.1
ALE
#PSEN
P2.7/A15
Function
QFP
- 44
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
PLCC
- 44
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
1
2
3
4
5
6
PWM2/P1.5
PWM3/P1.6
PWM4/P1.7
#INT0/P3.2
#INT1/P3.3
RXD/P3.0
TXD/P3.1
T0/P3.4
T1/P3.5
P2.6
A14
P2.7
A15
#PSEN
ALE
P4.1
#EA
P0.7
AD7
P0.6
AD6
P0.5
AD5
P0.4
AD4
P0.3
AD3
P0.2
AD2
P0. 1
AD1
P0.0
AD0
VDD
P4.2
T2
P1.0
T2EX
P1.1
P1.2
PWM0
P1.3
PWM1
P1.4
RES
P4.3
Name
10
11
15
16
17
7
8
9
12
13
14
18
6
19 20 21 22 23 24
I/O
O
I/O
O
O
O
I/O
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
-
I/O
I
I/O
I
I/O
I/O
O
I/O
O
I/O
5
I/O
4
VRS51C1000
3
PLCC-44
2
1
Bit 6 of Port 2
Bit 14 of External Memory Address
Bit 7 of Port 2
Bit 15 of External Memory Address
Program Store Enable
Address Latch Enable
Bit 1 of Port 4
External Access
Bit 7 Of Port 0
Data/Address Bit 7 of External Memory
Bit 6 of Port 0
Data/Address Bit 6 of External Memory
Bit 5 of Port 0
Data/Address Bit 5 of External Memory
Bit 4 of Port 0
Data/Address Bit 4 of External Memory
Bit 3 Of Port 0
Data/Address Bit 3 of External Memory
Bit 2 of Port 0
Data/Address Bit 2 of External Memory
Bit 1 of Port 0 & Data
Address Bit 1 of External Memory
Bit 0 Of Port 0 & Data
Address Bit 0 of External Memory
VCC
Bit 2 of Port 4
Timer 2 Clock Out
Bit 0 of Port 1
Timer 2 Control
Bit 1 of Port 1
Bit 2 of Port 1
PWM Channel 0
Bit 3 of Port 1
PWM Channel 1
Bit 4 of Port 1
44 43 42
25
26
41
27
40
28
39
38
37
36
35
34
33
32
31
30
29
page 2 of 48
Function
P0.5/AD5
P2.6/A14
P2.5/A13
P0.4/AD4
P0.6/AD6
P0.7/AD7
#EA
P4.1
ALE
#PSEN
P2.7/A15