VRS51L1050-25-LG-ISPV3 Просмотр технического описания (PDF) - Ramtron International Corporation
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VRS51L1050-25-LG-ISPV3
Ramtron International Corporation
VRS51L1050-25-LG-ISPV3 Datasheet PDF : 49 Pages
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VRS51L1050
Pin Descriptions for QFP-44/PLCC-44
TABLE 1: PIN DESCRIPTIONS FOR QFP-44/PLCC-44
QFP PLCC
- 44 - 44
Name
1
7 P1.5
2
8
SCL
P1.6
3
9
SDA
P1.7
4
10 RES
5
11
RXD
P3.0
6
12 P4.3
7
13
TXD
P3.1
8
14
#INT0
P3.2
9
15
#INT1
P3.3
10
16
T0
P3.4
11
17
T1
P3.5
12
18
#WR
P3.6
13
19
#RD
P3.7
14
20 XTAL2
15
21 XTAL1
16
22 VSS
17
23 P4.0
18
24
P2.0
A8
19
25
P2.1
A9
20
26
P2.2
A10
21
27
P2.3
A11
22
28 P2.4
A12
23
29
P2.5
A13
I/O
Function
I/O Bit 5 of Port 1
O I²C SCL
I/O Bit 6 of Port 1
O I²C SDA
I/O Bit 7 of Port 1
I
Reset
I
Receive Data
I/O Bit 0 of Port 3
I/O Bit 3 of Port 4
O Transmit Data &
I/O Bit 1 of Port 3
I
External Interrupt 0
I/O Bit 2 of Port 3
I
External Interrupt 1
I/O Bit 3 of Port 3
I
Timer 0
I/O Bit 4 of Port 3
I
Timer 1 & 3
I/O Bit 5 of Port
O Ext. Memory Write
I/O Bit 6 of Port 3
O Ext. Memory Read
I/O Bit 7 of Port 3
O Oscillator/Crystal Output
I
Oscillator/Crystal In
-
Ground
I/O Bit 0 of Port 4
I/O Bit 0 of Port 2
O Bit 8 of External Memory Address
I/O Bit 1 of Port 2
O Bit 9 of External Memory Address
I/O Bit 2 of Port 2
O Bit 10 of External Memory Address
I/O Bit 3 of Port 2 &
O Bit 11 of External Memory Address
I/O Bit 4 of Port 2
O Bit 12 of External Memory Address
I/O Bit 5 of Port 2
O Bit 13 of External Memory Address
QFP PLCC
- 44 - 44
Name
I/O
Function
24
30
P2.6
A14
I/O Bit 6 of Port 2
O
Bit 14 of External Memory Address
25
31
P2.7
A15
I/O Bit 7 of Port 2
O
Bit 15 of External Memory Address
26 32 #PSEN O
Program Store Enable
27 33 ALE
O
Address Latch Enable
28 34 P4.1
I/O Bit 1 of Port 4
29 35 #EA
I
External Access
30
36
P0.7
AD7
I/O Bit 7 Of Port 0
I/O Data/Address Bit 7 of External Memory
31
37
P0.6
AD6
I/O Bit 6 of Port 0
I/O Data/Address Bit 6 of External Memory
32
38
P0.5
AD5
I/O Bit 5 of Port 0
I/O Data/Address Bit 5 of External Memory
33
39
P0.4
AD4
I/O Bit 4 of Port 0
I/O Data/Address Bit 4 of External Memory
34
40
P0.3
AD3
I/O Bit 3 Of Port 0
I/O Data/Address Bit 3 of External Memory
35
41
P0.2
AD2
I/O Bit 2 of Port 0
I/O Data/Address Bit 2 of External Memory
36
42
P0. 1
AD1
I/O Bit 1 of Port 0 & Data
I/O Address Bit 1 of External Memory
37
43
P0.0
AD0
I/O Bit 0 Of Port 0 & Data
I/O Address Bit 0 of External Memory
38 44 VDD
-
VCC
39
1 P4.2
I/O Bit 2 of Port 4
40
2
T2
P1.0
I
Timer 2 Clock Out
I/O Bit 0 of Port 1
41
3
T2EX
P1.1
I
I/O
Timer 2 Control
Bit 1 of Port 1
42
4
PWM0
P1.2
I/O
PWM Channel 0
Bit 2 of Port 1
PWM1 O
PWM Channel 1
43
5
P1.3
I/O Bit 3 of Port 1
44
6 P1.4
I/O Bit 4 of Port 1
P0.3/AD3
P0.2/AD2
P0.1/AD1
P0.0/AD0
VDD
P4.2
T2/P1.0
T2EX/P1.1
PWM0/P1.2
PWM1/P1.3
P1.4
33
23
34
22
VRS51L1050
QFP-44
44
12
1
11
P2.4/A12
P2.3/A11
P2.2/A10
P2.1/A9
P2.0/A8
P4.0
VSS
XTAL1
XTAL2
#RD/P3.7
#WR/P3.6
6
P1.5
7
SCL/P1.6
SDA/P1.7
RES
RXD/P3.0
P4.3
TXD/P3.1
#INT0/P3.2
#INT1/P3.3
T0/P3.4
T1/P3.5
17
18
1
40
39
VRS51L1050
PLCC-44
29
28
P0.4/AD4
P0.5/AD5
P0.6/AD6
P0.7/AD7
#EA
P4.1
ALE
#PSEN
P2.7/A15
P2.6/A14
P2.5/A13
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