2 |
4 |
6 |
8 |
10 |
12 |
14 |
.1 |
3 |
5 |
7 |
9 |
11 |
13 |
pin |
bit |
pull |
LCD function |
1 |
16 |
+5V |
Vcc |
2 |
17 |
GND |
GND |
3 |
18 |
N/A |
contrast (bias) |
4 |
19 |
470ohm inline |
RS |
5 |
20 |
51.1ohm (1%) inline |
RW |
6 |
21 |
N/A |
E |
7 |
22 |
HI via 2.2k |
DB0 |
8 |
23 |
HI via 2.2k | DB1 |
9 |
24 |
HI via 2.2k | DB2 |
10 |
25 |
HI via 2.2k | DB3 |
11 |
26 |
HI via 2.2k | DB4 |
12 |
27 |
HI via 2.2k | DB5 |
13 |
28 |
HI via 2.2k | DB6 |
14 |
29 |
HI via 2.2k | DB7 |
2 |
4 |
6 |
8 |
10 |
12 |
14 | 16 |
.1 |
3 |
5 |
7 |
9 |
11 |
13 |
15 |
pin |
bit |
pull |
extra |
1 |
0 |
HI via 2.2k |
|
2 |
1 |
HI (*) |
|
3 |
2 |
HI via 2.2k | |
4 |
3 |
HI (*) | |
5 |
4 |
HI via 2.2k | |
6 |
5 |
HI (*) | SPI_FRAME |
7 |
6 |
HI via 2.2k | |
8 |
7 |
HI (*) | |
9 |
8 |
HI via 2.2k | |
10 |
9 |
HI via 4.7k |
SPI_MISO# |
11 |
10 |
HI via 2.2k | |
12 |
11 |
HI (*) | SPI_MOSI |
13 |
12 |
HI via 2.2k | |
14 |
13 |
HI (*) | SPI_CLK |
15 |
14 |
HI via 2.2k | |
16 |
15 |
HI (*) |
|
|
|
|
|
function number |
description |
0 |
GPIO |
1 |
ISA |
2 |
reserved |
3 |
reserved |
row |
register adrs\/ bits-> |
31 30 |
29 28 |
27 26 |
25 24 |
23 22 |
21 20 |
19 18 |
17 16 |
15 14 |
13 12 |
11 10 |
09 08 |
07 06 |
05 04 |
03 02 |
01 00 |
A |
0xE8000030 |
32 31 |
30 29 |
28 27 |
26 25 |
24 23 |
22 21 |
20 19 |
18 17 |
16 15 |
14 13 |
12 11 |
10 09 |
08 07 |
06 05 |
04 03 |
02 01 |
B |
0xE8000034 |
32 31 |
30 29 |
28 27 |
26 25 |
24 23 |
22 21 |
20 19 |
18 17 |
16 15 |
14 13 |
12 11 |
10 09 |
08 07 |
06 05 |
04 03 |
02 01 |
C |
0xE8000038 |
19 18 |
17 16 |
15 14 |
13 12 |
11 10 |
09 08 |
07 06 |
05 04 |
03 02 |
01 00 |
||||||
D |
0xE800003C |
19 18 |
17 16 |
15 14 |
13 12 |
11 10 |
09 08 |
07 06 |
05 04 |
03 02 |
01 00 |
pin |
ISA |
GPIO |
pin |
ISA |
GPIO |
A1 |
IOCHK# |
A[0] |
B1 |
GND |
GND |
A2 |
D7 |
A[1] |
B2 |
RESET |
B[1] |
A3 |
D6 |
A[2] |
B3 |
+5V |
+5V |
A4 |
D5 |
A[3] |
B4 |
IRQ9 |
B[3] |
A5 |
D4 |
A[4] |
B5 |
3.3V |
3.3V |
A6 |
D3 |
A[5] |
B6 |
DRQ2 |
B[5] |
A7 |
D2 |
A[6] |
B7 |
NC |
B[6] |
A8 |
D1 |
A[7] |
B8 |
ENDX# |
B[7] |
A9 |
D0 |
A[8] |
B9 |
8V_30V |
8V_30V |
A10 |
IORDY |
A[9] |
B10 |
GND |
GND |
A11 |
AEN |
A[10] |
B11 |
MEMW# |
B[10] |
A12 |
A19 |
A[11] |
B12 |
MEMR# |
B[11] |
A13 |
A18 |
A[12] |
B13 |
IOW# |
B[12] |
A14 |
A17 |
A[13] |
B14 |
IOR# |
B[13] |
A15 |
A16 |
A[14] |
B15 |
DACK3# |
B[14] |
A16 |
A15 |
A[15] |
B16 |
DRQ3 |
B[15] |
A17 |
A14 |
A[16] |
B17 |
DACK1# |
B[16] |
A18 |
A13 |
A[17] |
B18 |
DRQ1 |
B[17] |
A19 |
A12 |
A[18] |
B19 |
RFRSH# |
B[18] |
A20 |
A11 |
A[19] |
B20 |
BCLK |
B[19] |
A21 |
A10 |
A[20] |
B21 |
IRQ7 |
B[20] |
A22 |
A9 |
A[21] |
B22 |
IRQ6 |
B[21] |
A23 |
A8 |
A[22] |
B23 |
IRQ5 |
B[22] |
A24 |
A7 |
A[23] |
B24 |
IRQ4 |
B[23] |
A25 |
A6 |
A[24] |
B25 |
IRQ3 |
B[24] |
A26 |
A5 |
A[25] |
B26 |
DACK2# |
B[25] |
A27 |
A4 |
A[26] |
B27 |
TC |
B[26] |
A28 |
A3 |
A[27] |
B28 |
BALE |
B[27] |
A29 |
A2 |
A[28] |
B29 |
+5V |
+5V |
A30 |
A1 |
A[29] |
B30 |
OSC |
B[29] |
A31 |
A0 |
A[30] |
B31 |
GND |
GND |
A32 |
GND |
GND |
B32 |
ISA_B32 |
B[31] |
pin |
ISA |
GPIO |
pin |
ISA |
GPIO |
C0 |
GND |
GND |
D0 |
GND |
GND |
C1 |
SBHE# |
C[1] |
D1 |
MEM16# |
D[1] |
C2 |
LA23 |
C[2] |
D2 |
IO16# |
D[2] |
C3 |
LA22 |
C[3] |
D3 |
IRQ10 |
D[3] |
C4 |
LA21 |
C[4] |
D4 |
IRQ11 |
D[4] |
C5 |
LA20 |
C[5] |
D5 |
IRQ12 |
D[5] |
C6 |
LA19 |
C[6] |
D6 |
IRQ15 |
D[6] |
C7 |
LA18 |
C[7] |
D7 |
IRQ14 |
D[7] |
C8 |
LA17 |
C[8] |
D8 |
3.3V |
3.3V |
C9 |
MEMR# |
C[9] |
D9 |
DRQ0 |
D[9] |
C10 |
MEMW# |
C[10] |
D10 |
DACK5# |
D[10] |
C11 |
SD8 |
C[11] |
D11 |
DRQ5 |
D[11] |
C12 |
SD9 |
C[12] |
D12 |
DACK6# |
D[12] |
C13 |
SD10 |
C[13] |
D13 |
DRQ6 |
D[13] |
C14 |
SD11 |
C[14] |
D14 |
DACK7# |
D[14] |
C15 |
SD12 |
C[15] |
D15 |
DRQ7 |
D[15] |
C16 |
SD13 |
C[16] |
D16 |
+5V |
+5V |
C17 |
SD14 |
C[17] |
D17 |
MASTER# |
D[17] |
C18 |
SD15 |
C[18] |
D18 |
GND |
GND |
C19 |
GND |
GND |
D19 |
GND |
GND |
bit(s) |
function |
||||
5-0 |
ISA strobe length |
||||
9-6 |
ISA setup length |
||||
10 |
Honor ISA 0WS/ENDX signal (1=true) |
||||
11 |
TS special ISA pinout enable (1=true) |
||||
12 |
ISA oscillator select
|
memory |
I/O |
|
8-bit |
0xEC000000 |
0xEE000000 |
16-bit |
0xED000000 |
0xEF000000 |
# |
RS- |
base adrs |
header |
Tx |
Rx |
TxEn |
RTS |
CTS |
0 |
232 |
0xE80000C0 | COM1 |
7 |
8 |
N/A | no | no |
1 |
232 |
0xE80000C4 | COM1 |
4 |
1 |
N/A | no | no |
2(*) |
485 / 422 |
0xE80000C8 | COM2 |
+:6 -:1 |
+:4 -:9(1) |
N/A | no | no |
3(*) |
485 |
0xE80000CC | COM2 |
+:4 -:9(2) |
N/A |
N/A | no | no |
4 |
232 |
0xE80000D0 | COM3 |
Tx |
Rx |
N/A | RTS |
CTS |
5 |
232 |
0xE80000D4 | COM3 |
7 |
8 |
N/A | N/A | no |
6 |
TTL |
0xE80000D8 | DIO |
13 |
15 |
11 |
N/A | no |
7 |
TTL |
0xE80000DC | LCD |
13 |
14 |
12 |
N/A | no |
8 |
TTL |
0xE80000E0 | PC-104 |
C17 |
C18 |
C16 |
N/A | no |
9 |
TTL |
0xE80000E4 | PC-104 |
C14 |
C15 |
C13 |
N/A | N/A |
baud index |
register address |
0 |
0xE80000E8 |
1 |
0xE80000EA |
2 |
0xE80000EC |
3 |
0xE80000EE |
4 |
0xE80000F0 |
5 |
0xE80000F2 |
6 |
0xE80000F4 |
bit(s) |
name |
A |
function |
||||||||||||||||
0 |
TBRE |
RO |
transmit buffer not full |
||||||||||||||||
1 |
DR |
RO |
receive data ready |
||||||||||||||||
2 |
OERR |
RO |
receive overflow |
||||||||||||||||
3 |
CTS |
RO |
UART CTS |
||||||||||||||||
4 |
RTS |
RW |
UART RTS |
||||||||||||||||
7:5 |
BAUD |
RW |
baud rate index defaults to:
|
||||||||||||||||
8 |
NINEBIT |
RW |
enable 9-bit mode |
||||||||||||||||
9 |
RBREAK |
RO |
BREAK detected |
||||||||||||||||
10 |
TBREAK |
RW |
transmit BREAK |
||||||||||||||||
11 |
DMXS |
RO |
Reserved |
||||||||||||||||
12 |
TRE |
RO |
transmitter empty |
||||||||||||||||
13 |
SLOW |
X |
Reserved |
||||||||||||||||
15:14 |
N/A |
X |
Reserved |
address |
row |
register |
0xE8000010 |
A |
data |
0xE8000014 |
B |
data |
0xE8000018 |
C |
data |
0xE800001C |
D |
data |
0xE8000020 |
A |
direction |
0xE8000024 |
B |
direction |
0xE8000028 |
C |
direction |
0xE800002C |
D |
direction |