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Olivetti ECR 7900 Service Manual page 31

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Port Assignment for ECR7900 (M30842MC)
Port Assign List
M32C/ 84 Group 144Pin Version
Por t #
Pi n Speci f i cat i on
#
Pi n N am e
0 122 D 0/ AN 00
P0
1 121 D 1/ AN 01
2 120 D 2/ AN 02
3 119 D 3/ AN 03
4 113 D 4/ AN 04
5 112 D 5/ AN 05
6 111 D 6/ AN 06
7 110 D 7/ AN 07
P1
0 109 D 8
1 108 D 9
2 107 D 10
3 106 D 11
4 105 D 12
5 104 D 13/ I N T3#
6 103 D 14/ I N T4#
7 102 D 15/ I N T5#
P2
0 101 A0( / D 0) / AN 20
1 100 A1( / D 1) / AN 21
2
99 A2( / D 2) / AN 22
3
98 A3( / D 3) / AN 23
4
97 A4( / D 4) / AN 24
5
96 A5( / D 5) / AN 25
6
95 A6( / D 6) / AN 26
7
94 A7( / D 7) / AN 27
P3
0
92 A8( / D 8)
1
85 A9( / D 9)
2
84 A10( / D 10)
3
83 A11( / D 11)
4
82 A12( / D 12)
5
81 A13( / D 13)
6
80 A14( / D 14)
7
79 A15( / D 15)
P4
0
78 A16
1
77 A17
2
75 A18
3
73 A19
4
72 A20/ C S3#
5
71 A21/ C S2#
6
70 A22/ C S1#
7
69 A23#/ C S0#
P5
0
65 W R L#/ W R #
1
64 W R H #/ BH E#
2
63 R D #
3
62 C LKout / BC LK/ ALE
4
55 H LD A#/ ALE
5
54 H O LD #
6
53 ALE
7
52 R D Y#
P6
0
47 C TS0#/ R TS0#/ SS0#
1
46 C LK0
2
45 R XD 0/ SC L0/ STXD 0
3
44 TXD 0/ SD A0/ SR XD 0
4
43 C TS1#/ R TS1#/ SS1#
5
42 C LK1
6
40 R XD 1/ SC L1/ STXD 1
7
38 TXD 1/ SD A1/ SR XD 1
P7
0
37
TA0out / TXD 2/ SD A2/ SR XD 2/ I N PC 16/ O U TC 16
1
36
TB5i n/ TA0i n/ R XD 2/ SC L2/ STXD 2/ O U TC 17/ I N PC 17
2
35 TA1out / V/ C LK2
3
34
TA1i n/ V#/ C TS2#/ R TS2#/ SS2#/ I N PC 10/ O U TC 10/ I STXD 1/ BE1out
4
33 TA2out / W / I N PC 11/ O U TC 11/ I SC LK1
5
32
TA2i n/ W #/ I N PC 12/ O U TC 12/ I SR XD 1/ BE1i n
6
31
TA3out / C AN 0out / O U TC 13/ I N PC 13/ I STXD 0
7
30 TA3i n/ C AN 0i n/ O U TC 14/ I N PC 14/ I SC LK0 I / O
P8
0
29 TA4out / U / I SR XD 0
1
28 TA4i n/ U #/ O U TC 15/ I N PC 15
2
27 I N T0#/ C AN 0out
3
26 I N T1#/ C AN 0i n
4
25 I N T2#
5
24 N M I #
6
18 Xcout
7
17 Xci n
Y108540-8
MODEL: ECR7900
CPU : M30842MC- xxxGP
Si gnal
Si gnal Speci f i cat i on
I / O Type
N am e
I / O
D 0
D at a Bus b0
I / O
D 1
D at a Bus b1
I / O
D 2
D at a Bus b2
I / O
D 3
D at a Bus b3
I / O
D 4
D at a Bus b4
I / O
D 5
D at a Bus b5
I / O
D 6
D at a Bus b6
I / O
D 7
D at a Bus b7
I / O
STB1#
PH . St r obe 1
I / O
STB2#
PH . St r obe 2
I / O
I / O
I / O
I / O
I / O
SD _C AR D
SD _C AR D I n
I / O
SD _W P
SD _W r i t e Pr ot ect
I / O
A0
Addr ess Bus b0
I / O
A1
Addr ess Bus b1
I / O
A2
Addr ess Bus b2
I / O
A3
Addr ess Bus b3
I / O
A4
Addr ess Bus b4
I / O
A5
Addr ess Bus b5
I / O
A6
Addr ess Bus b6
I / O
A7
Addr ess Bus b7
I / O
A8
Addr ess Bus b8
I / O
A9
Addr ess Bus b9
I / O
A10
Addr ess Bus b10
I / O
A11
Addr ess Bus b11
I / O
A12
Addr ess Bus b12
I / O
A13
Addr ess Bus b13
I / O
A14
Addr ess Bus b14
I / O
A15
Addr ess Bus b15
I / O
A16
Addr ess Bus b16
I / O
A17
Addr ess Bus b17
I / O
A18
Addr ess Bus b18
I / O
A19
Addr ess Bus b19
I / O
A20
Addr ess Bus b20
I / O
R AM C S#
SR AM Sel ect
I / O
I O C S#
I O Sel ect
I / O
R O M C S#
FLASH M em or y Sel ect
I / O
W R #
W r i t e Si gnal <SI O M ode C S#> O <I > P. U .
I / O
N . C .
I / O
R D #
R ead Si gnal
I / O
( BC LK)
To G at e Ar r ay C l ock
I / O
N . C .
I / O
EPM #
SI O M ode EPM #
I / O
N . C . ( ALE)
I / O
N . C .
Fi xed H i gh
I / O
VFD _C S0# Low er D i spl ay Sel ect
I / O
VFD _C LK
D i spl ay Tx C l ock
I / O
VFD _C S1# U pper D i spl ay Sel ect
I / O
VFD _TXD
D i spl ay Tx D at a
I / O
SD _C S#
SD _C S
I / O
SD _C K
SD _SC LK
I / O
SD _D I
SD _D at a I n
I / O
SD _D O
SD _D at a O ut
I / O O . D . TxD 2
R S232C #2
I / O O . D . R xD 2
R S232C #2
I / O
C TS2#
R S232C #2
I / O
R TS2#
R S232C #2
I / O
BU ZZER
Buzzer
I / O
BKL_O N
LC D BackLi ght LED O n
I / O
LC D _R ST# LC D R eset
FR D Y
Fl ash M em or y R eady
I / O
W I N D _O N
W i ndi ng M ot or O n
I / O
( N ET R ST#)N et ( LAN ) R eset
I / O
PF#
Pow er Fai l Si gnal
I / O
( N ET I N T#)I R C I nt er upt
I / O
( G _R I N T#) G / A I nt er r upt
I
N . C . ( N M I ) Fi xed H i gh
I / O
Xcout
C r yst al 32. 768kH z
I / O
Xci n
C r yst al 32. 768kH z
ECR 7900 Service Manual
I / O Pi n
I N I TI AL
PF( Backup)
Ter m . I / O D at a I / O D at a
I / O P. D .
O
L D at a Bus
I / O P. D .
O
L
I / O P. D .
O
L
I / O P. D .
O
L
I / O P. D .
O
L
I / O P. D .
O
L
I / O P. D .
O
L
I / O P. D .
O
L
O
-
O
H
O
L Pr i nt er St r obe
O
-
O
H
O
L
I
p. u.
I
I
L SD C AR D
I
p. u.
I
I
L
O
-
O
L Adr ess Bus
O
-
O
L
O
-
O
L
O
-
O
L
O
-
O
L
O
-
O
L
O
-
O
L
O
-
O
L
O
-
O
L Adr ess Bus
O
-
O
L
O
-
O
L
O
-
O
L
O
-
O
L
O
-
O
L
O
-
O
L
O
-
O
L
O
-
O
L Adr ess Bus
O
-
O
L
O
-
O
L
O
-
O
L
O
-
O
L
O
P. U .
O
H
O
H SR AM , Expanded SR AM
O
p. u.
O
H
O
L LC D
O
P. U .
O
H
O
H Pr ogr am R O M
O
H C PU C ont r ol Si gnal
( O )
-
O
L f or Fl ash C PU
O
P. U .
O
H
0
-
O
O
L
( O )
-
O
L
( I )
P. U .
I
( H )
I
( H )
( O )
-
O
L
( I )
P. U .
I
( H )
I
( H )
O
p. u.
O
H
O
L D i spl ay C ont r ol
O
p. u.
O
L
O
L
O
-
O
H
O
L
O
p. u.
O
L
O
L
O
O
H
O
L SD C AR D
O
-
O
L
O
L f or Fl ash C PU
I
-
I
L
I
L SD C AR D
O
-
O
L
O
L
O
p. u.
O
L
O
L R S232C #2
I
P. D .
I
I
L f or U SB
I
P. D .
I
I
L
O
-
O
H
O
L
O
p. u.
O
L
O
L Buzzer
O
-
O
L
O
L D i spl ay C ont r ol
O
-
O
H
O
L
I
P. U .
I
I
( H ) FM EM R eady Si gnal
O
P. D .
O
L
O
L W i ndi ng M ot or
O
-
O
H
O
L LAN
I
I
H
I
L PF
I
-
I
( H )
O
L
I
-
I
( H )
O
L
( I )
P. U .
I
( H )
I
( H ) C PU C ont r ol Si gnal
O
-
O
O
f or R TC
I
-
I
I
25
R em ar k

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