Sharp PC-1475 Info


Available Accessories

Model
 Type
 Connector
CE-140F
 Disk drive
 Expansion port
CE-126P
 Thermal printer & cassette interface
 Expansion port
CE-124
 Cassette interface
 Expansion port
CE-152
 Cassette recorder
 CE-126P or CE-124
CE-140P
 Color printer
 Serial port
CE-515P
 Color plotter
 Serial port & CE-516L cable
CE-210M
 2kB RAM card
 S1/S2 slot
CE-211M
 4kB RAM card S1/S2 slot
CE-212M
 8kB RAM card (included)
 S1/S2 slot
CE-2H16M
 16kB RAM card S1/S2 slot
CE-2H32M
 32kB RAM card S1/S2 slot

15-Pin Serial Interface Pinout

Pin 1 is located next to the contrast adjustment knob.
Serial speeds are 300, 600 or 1200 baud.

Pin
 Name
 In/Out
1
Frame ground
2
 Transmit data
 in
3
 Receive data
 out
4
 Request to send (RTS, high before sned)
 out
5
 Clear to send (CTS, must be high to send)
 in
6
 n/c
7
 Signal ground
8
 Carrier detect
 in
9
 n/c
10
 +5V (?)
11
 Receive ready (DTR, high if ready to receive)
 out
12
 Peripheral acknowledge (for CE-140P) in
13
 +5V (?)
14
 Data terminal ready (high after OPEN)
 out
15
 Peripheral request (for CE-140P)
 out

11-Pin Printer Interface

Pin 1 is located next to the on/off switch

Pin
 Name
 In/Out
1
 n/c
2
 +6V
3
 Ground
4
 Signal
 out
5
 Signal out
6
 Used by CLOAD, test by "TEST 128"
 in
7
 Used by CSAVE, controlled by port-C bit 4,5,6
 out
8
 Signal in/out
9
 Signal in/out
10
 Signal out
11
 Signal
 out

Port-to-Memory Mapping


Address
 Pin
 In/Out
 Serial interface Pin
 Printer Interface Pin
0x3800 - 0x38FF
 0
 out
 4
 4

1
 out
 14

2
 out
 11
0x3A00 - 0x3AFF
 0
 out
11

1
 out
10

2
 out
5

3
 out
8
0x5D (Port B)
 3
 in
8

4
 in/out
9

5
 in/out
 3

6
 in/out 5

7
 in/out 8
0x5E (Port F)
 1
 out
 2