8
8
7
7
6
6
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
+5V
A0 A0 A0
A0 A1 A1 A1
A1 A2 A2 A2
A2 A3 A3 A3
A3 A4 A4 A4
A4 A5 A5 A5
A5 A6 A6 A6
A6 A7 A7 A7
A7 A8 A8 A8
RESETL A8 A9 A9 A9
RESETL A9 A10 A10 A10
INT0 L A10 +5V A11 A11 A11
INT1 L A11 A12 A12 A12
INT2 L A12 A13 A13 A13
A13 A14 A14 A14
A14 A15A
DRDY A15 M1L M2L
XF M0L MRDL MRDL
MRDL MWRL MWRL
XF 40MHzP
CLK2
A15
A0 A0 A0
A1 A1 A1
+5V A2 A2 A2
A3 A3 A3
A4 A4 A4
A5 A5 A5
RSB A6 A6 A6
READY A7 A7 A7
A8 A8 A8
GND STBL A9 A9 A9
RWL PSL A10 A10 A10
ISL A11 A11 A11
DSL A12 A12 A12
SCLOCK A13 A13 A13
A14 A14 A14
A15A
M1L M2L
M0L MRDL MRDL
MRDL MW RL MWRL
READY
STBL STBL MRDL MRDL
RWL RWL M0L M2L
ISL MWRL
CLK2CLK2 CLK2
READY READYREADY
+5V
+5V
MW1L
A3 ADCL A15 MRDL
A2 DACL A14 MW RL
RWL A1 GPOL A13 M0L IW1L
A0 GPIL A12 M1L
CSSCCL PSL M2L RESETL
ISLISL CSPITL DSL DWL
RWL IW 1L RWL MW1L ZRDYL
STBL IW 0L STBL MW0L READY
MW0L MW 0L
IW 0L IW 0L
GND
ZRDYL
GPOL IW 1L
IW 0L
GPIL
+5V
DATASI
COPS
BOARD1L
BOARD2L +5V
SW1 +5V
SW2
SW3
SW4 GND
GPIL +5V
SDA SDA
BOARD1L SCL SCL
BOARD2L
COPS
SCLOCK
DATASO
SCLOCK
IACK 0L
IACK 1L
DRIVENL
FILTER1
X200L
FILTER2 GND
GPOL GND
+5V
GND
GND
+5V
GND
A[0..15]
A[0..15]
D15
D12
D6
D0
D6
D6
D1
D[0..15]D[0..15]
D6
D9
D15
D5
D8
D11
D10
D14
D3
D3
D5
D2
D0
D13
D4
D0
D7
D10
D4
D0
D0
D7
D9
D3
D12
D2
D2
D1
D9
D13 D13
D15
D5
D13
D4
D5
D8
D11
D7
D4
D4
D15
D12
D7
D1
D10
D14
D3
D5
D2
D8
D7
D7
D1
D1
D9
D4
D5
D2
D6
D8
D10
D12
D6
D11
D14
D3
D0
D14
D3
D2
D11
D1
DRDY
INT0 L
INT1 L
INT2 L
40MHzB
COPS
ADCL
DACL
CSSCCL
CSPITL
ZRDYL
D[0..15]
A[0..15]
STBL
RWL
GPOL
DRIVENL
X200L
IACK 0L
IACK 1L
FILTER1
FILTER2
BOARD1L
BOARD2L
RESETL
+5V
GND
+5V
GND
VSS
VEE
VCC
Title
Size Document Number Rev
Date: Sheet
of
401178 2
440 uPROCESSOR BOARD
(C) TSS Ltd. 2007
1 Garnett Close
Greycaine Industrial Estate
Watford
WD24 7GL
24Wednesday, March 14, 2007
Title
Size Document Number Rev
Date: Sheet
of
401178 2
440 uPROCESSOR BOARD
(C) TSS Ltd. 2007
1 Garnett Close
Greycaine Industrial Estate
Watford
WD24 7GL
24Wednesday, March 14, 2007
Title
Size Document Number Rev
Date: Sheet
of
401178 2
440 uPROCESSOR BOARD
(C) TSS Ltd. 2007
1 Garnett Close
Greycaine Industrial Estate
Watford
WD24 7GL
24Wednesday, March 14, 2007
WAIT STATE
GENERATION
NC
PROGRAMMED
TMS320
'ALS04
NC
NC
NC
NC
NC
NC
ONE OF MWxL etc DRIVEN LOW BY DECODER
PAL FOR EACH VALID MEMORY CYCLE. CPU
WAITS TILL READY SAMPLED HIGH SHORTLY
AFTER RISING EDGE OF CLKOUT1, HENCE
MW1L & IW1L ( MEMORY & IO WITH 1 WAIT )
MW0L & IW0L PRODUCE IMMEDIATE READY, SO
DO NOT ADD WAIT STATES.
OSC DS1232
PULLUP REQUIRED
TO MEET Vih SPEC
'ALS20 'HCT114
NC
EPROMs
EPROMS
NC
NC
NC
RAMS
RAMS PAL
FAST RAMS
FAST RAMS
DATA READY FLAG
FROM ADC Sht 3
TEST
FLAG
CPU CLOCK
INTERRUPTS FROM
PIT & SCC Sht 4
TO TIMING PALS
Sht 4
BUFFERED CLOCK
'XF'
NC
SCC PIT
NC
GENERAL PURPOSE
INPUT & OUTPUT
PORTS.
PRIMARY
N.V. STORAGE N.V. STORAGE
AUXILARY
( OPTION )
SDA SCL
7406HCT574 HCT541 SEEPROMSPAL
LK2
COIL PRESENT
INDICATOR FROM
DRIVER PCB VIA
CONTROL
CONTROL
LINES FROM
CPU
ADC DAC
EPROM SIZE:
27C256: 1-2
27C512: 2-3
OTHER SHEETS
IO DECODES TOIO DECODE PAL
MRDL
MWRL
EPROMS
RAMS
FAST RAMS
IF 'HC112 FITTED
HC DRIVING ALS
PHASE 2 CLOCK
FROM CPU
NOT REQD IF HCT112
FITTED AT U4
U4A INSERTS 1 WAIT STATE (100nS) FOR
GENERAL
NC
NC
SPECIAL
APPLIC'S
ONLY
TO OTHER
DATA AND
ADDRESS
SHEETS
READY SIGNAL FROM
Z80-BUS TIMING PAL
ON COMMS Sht 4
POWER IN FROM
CN1 ( Sht 1 )
DISTRIBUTION
BY POWER OBJECTS
( IMPLICIT )
BRIDGE
TP1A & B
TO RESET
SYSTEM
TO SCC/PIT
INTERFACE
PAL Sht 4
IO PORT
DECODES
CLK2 IS
TO DRIVER etc
VIA JP1
INTERRUPT
ACKNOWLEDGES
TO sht 4
LK1:
SELECT WATCHDOG REFRESH
1-2 USES SCLOCK, SOFTWARE RFSH
2-3 USES READY, HARDWARE RFSH.
NC
NC
FLAGS FROM DRIVER
AND ANALOGUE BOARDS
PULLED LOW IF PRESENT.
NC
NC
NC
+5V: 23, 35, 61, 62
GND: 10, 27, 44
THIS CIRCUITRY NOT USED / MAY NOT BE FITTED.
( NOT FITTED )
STANDARD SETTING
2 & 3 LINKED.
STANDARD SETTING
2 & 3 LINKED.
JP1 - NOT USED
AT PRESENT
NC
LINES FROM
CPU
SIL
CLK2
A3
REV
5
CHK
REVISION HISTORY
ISS
25 NOV 02
CCT
A SJ
NOs
PCB
First
issue
DATEECR
JP
ED
BYBY
6 8 MAR 072
440
Update
TH
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
NOT
FITTED
U47
62256
0.3"
U47
62256
0.3"
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
CS
20
OE
22
R/WL
27
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
U48
62256
0.3"
U48
62256
0.3"
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
CS
20
OE
22
R/WL
27
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
TP5TP5
TP11TP11
U21
62256-10
& DS1213C
U21
62256-10
& DS1213C
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
CS
20
OE
22
R/WL
27
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
RP4A
100
SIL
RP4A
100
SIL
1 2
U22
62256-10
& DS1213C
U22
62256-10
& DS1213C
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
1
CS
20
OE
22
R/WL
27
D0
11
D1
12
D2
13
D3
15
D4
16
D5
17
D6
18
D7
19
U5
40.0MHz
OSCILLATOR
U5
40.0MHz
OSCILLATOR
Q
8
DC4
100n
30VC
DC4
100n
30VC
U6F
74ALS04
U6F
74ALS04
1213
TP50TP50
U6E
74ALS04
U6E
74ALS04
1011
RP1G
1k
SIL
RP1G
1k
SIL
1 8
RP2
4K7
RP2
4K7
1
2
3
4
5
6
7
8
9
DC21
100n
30VC
DC21
100n
30VC
DC22
100n
30VC
DC22
100n
30VC
DC23
100n
30VC
DC23
100n
30VC
DC24
100n
30VC
DC24
100n
30VC
DC25
100n
30VC
DC25
100n
30VC
DC53
100n
30VC
DC53
100n
30VC
U4A
74HCT112
U4A
74HCT112
Q
5
R
15
CK
1
K
2
J
3
S
4
Q
6
DC54
100n
30VC
DC54
100n
30VC
DC1
100u
6VT
DC1
100u
6VT
DC2
100n
30VC
DC2
100n
30VC
U1
DS1232
U1
DS1232
VCC
8
PB
1
TD
2
TOL
3
ST
7
RST
6
RST
5
GND
4
DC3
100n
30VC
DC3
100n
30VC
DC5
100n
30VC
DC5
100n
30VC
DC6
100n
30VC
DC6
100n
30VC
DC7
100n
30VC
DC7
100n
30VC
RP3H
5k6
SIL
RP3H
5k6
SIL
1 9
RP3G
5k6
SIL
RP3G
5k6
SIL
18
U8D
7406
U8D
7406
89
LK1LK1
31
2
U8E
7406
U8E
7406
1011
LK3LK3
3 1
2
TP2JTP2J
10
RP1D
1k
SIL
RP1D
1k
SIL
15
U8F
7406
U8F
7406
1213
TP2ETP2E
5
RP1A
1k
SIL
RP1A
1k
SIL
12
RP6G
100
SIL
RP6G
100
SIL
1 8
TP2ITP2I
9
RP1B
1k
SIL
RP1B
1k
SIL
13
TP2BTP2B
2
RP1C
1k
SIL
RP1C
1k
SIL
14
U7
74HCT574
U7
74HCT574
D1
2
D2
3
D3
4
D4
5
D5
6
D6
7
D7
8
D8
9
CLK
11
OC
1
Q1
19
Q2
18
Q3
17
Q4
16
Q5
15
Q6
14
Q7
13
Q8
12
TP2HTP2H
8
RP1E
1k
SIL
RP1E
1k
SIL
1 6
EN
U11
74HCT541
EN
U11
74HCT541
18 2
17 3
16 4
15 5
14 6
13 7
12 8
11 9
1
19
U23
460024
16V8-10
U23
460024
16V8-10
I2
2
I3
3
I4
4
I5
5
I6
6
I7
7
I8
8
I9
9
O1
19
O2
18
O3
17
O4
16
O5
15
O6
14
O7
13
O8
12
I1
1
I10
11
TP2CTP2C
3
U8A
7406
U8A
7406
21
TP2DTP2D
4
U8C
7406
U8C
7406
65
TP2FTP2F
6
U8B
7406
U8B
7406
4 3
TP2GTP2G
7
RP3D
5k6
SIL
RP3D
5k6
SIL
15
TP2ATP2A
1
RP3C
5k6
SIL
RP3C
5k6
SIL
14
TP1ATP1A
1
RP3F
5k6
SIL
RP3F
5k6
SIL
17
TP1BTP1B
2
RP3B
5k6
SIL
RP3B
5k6
SIL
13
TP1CTP1C
3
RP3A
5k6
SIL
RP3A
5k6
SIL
12
TP1DTP1D
4
U6A
74ALS04
U6A
74ALS04
21
U9
PCF8582
U9
PCF8582
RC
7
A0
1
A1
2
A2
3
SCL
6
SDA
5
U10
PCF8582
U10
PCF8582
RC
7
A0
1
A1
2
A2
3
SCL
6
SDA
5
RP4C
100
SIL
RP4C
100
SIL
1 4
TP3DTP3D
4
RP4B
100
SIL
RP4B
100
SIL
1 3
TP3ETP3E
5
U6B
74ALS04
U6B
74ALS04
43
C2
3n3
PC
C2
3n3
PC
TP3HTP3H
8
C1
3n3
PC
C1
3n3
PC
TP3ATP3A
1
TP3BTP3B
2
TP12TP12
TP3CTP3C
3
TP7TP7
TP13TP13
U19
450060
27C512-12
U19
450060
27C512-12
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
27
A15
1
CE
20
OE
22
O0
11
O1
12
O2
13
O3
15
O4
16
O5
17
O6
18
O7
19
TP3FTP3F
6
TP6TP6
TP14TP14
U20
450061
27C512-12
U20
450061
27C512-12
A0
10
A1
9
A2
8
A3
7
A4
6
A5
5
A6
4
A7
3
A8
25
A9
24
A10
21
A11
23
A12
2
A13
26
A14
27
A15
1
CE
20
OE
22
O0
11
O1
12
O2
13
O3
15
O4
16
O5
17
O6
18
O7
19
U12
460001
16V8-10
U12
460001
16V8-10
I2
2
I3
3
I4
4
I5
5
I6
6
I7
7
I8
8
I9
9
O1
19
O2
18
O3
17
O4
16
O5
15
O6
14
O7
13
O8
12
I1
1
I10
11
TP3GTP3G
7
TP4TP4
U4B
74HCT112
U4B
74HCT112
Q
9
R
14
CK
13
K
12
J
11
S
10
Q
7
RP1F
1k
SIL
RP1F
1k
SIL
17
DC8
100n
30VC
DC8
100n
30VC
DC9
100n
30VC
DC9
100n
30VC
DC10
100n
30VC
DC10
100n
30VC
DC11
100n
30VC
DC11
100n
30VC
DC12
100n
30VC
DC12
100n
30VC
DC13
100n
30VC
DC13
100n
30VC
21
U3A
74ALS20
U3A
74ALS20
1
2
4
5
6
43
U3B
74ALS20
U3B
74ALS20
9
10
12
13
8
87
65
U2
TMS320C25
U2
TMS320C25
A0
26
A1
28
A2
29
A3
30
A4
31
A5
32
A6
33
A7
34
A8
36
A9
37
A10
38
A11
39
A12
40
A13
41
A14
42
A15
43
D0
18
D1
17
D2
16
D3
15
D4
14
D5
13
D6
12
D7
11
MP/MCL
1
D8
9
D9
8
D10
7
D11
6
D12
5
D13
4
D14
3
D15
2
HOLD
67
HOLDA
55
SYNC
19
RESET
65
INT0
20
INT1
21
INT2
22
IACK
60
BIO
68
XF
56
BR
50
X1
51
X2/CLKIN
52
CLKOUT1
58
CLKOUT2
57
CLKX
63
DX
54
FSX
53
CLKR
64
DR
24
FSR
25
READY
66
MSC
59
STROBE
49
R/WL
48
PS
47
IS
46
DS
45
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