1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
// license:BSD-3-Clause
// copyright-holders:David Haywood
/*
(this acts as a trampoline to 2x i8255 chips)
Manufacturer: Fujitsu
Part Number: MB89363 / MB89363B / MB89363R
Package: Surface Mount QFP80 / QFP64P (MB89363R)
Description: 8-bit x 3 x 2 (6 x 8-bit) parallel data I/O port VLSI chip
Parallel Communication Interface
Extended I/O
Note: MB89363B is compatible with 8255
Pin Assignment:
+5v
P P P P P P P P P V P P P P P P P P P
N N 5 4 4 4 4 4 4 4 4 C N 1 1 1 1 1 1 1 1 2 N N
C C 3 0 1 2 3 4 5 6 7 C C 7 6 5 4 3 2 1 0 3 C C
| | ^ ^ ^ ^ ^ ^ ^ ^ ^ | | ^ ^ ^ ^ ^ ^ ^ ^ ^ | |
| | | | | | | | | | | | | | | | | | | | | | | |
| | v v v v v v v v v | | v v v v v v v v v | |
.-------------------------------------------------------.
| 6 6 6 6 6 5 5 5 5 5 5 5 5 5 5 4 4 4 4 4 4 4 4 4 |
| 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 |
P52 <-> | 65 40 | <-> P22
P51 <-> | 66 39 | <-> P21
P50 <-> | 67 38 | <-> P20
P54 <-> | 68 37 | <-> P24
P55 <-> | 69 36 | <-> P25
P56 <-> | 70 35 | <-> P26
P57 <-> | 71 34 | <-> P27
NC --- | 72 MB89363B 33 | --- NC
NC --- | 73 32 | <-- RSLCT1
GND --> | 74 31 | <-- RSLCT0
CS2 --> | 75 30 | <-- GND
R --> | 76 29 | <-- CS1
P30 <-> | 77 28 | <-> P00
P31 <-> | 78 27 | <-> P01
P32 <-> | 79 26 | <-> P02
P33 <-> | 80 25 | <-> P03
\ 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 |
\ 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 |
-----------------------------------------------------'
^ ^ ^ ^ ^ ^ | | ^ | ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ |
| | | | | | | | | | | | | | | | | | | | | | | |
v v v v | | | | | | | v v v v v v v v v v v v |
P P P P W R N N R N O D D D D D D D D P P P P N
3 3 3 3 S C C H C U B B B B B B B B 0 0 0 0 C
4 5 6 7 T / S 0 1 2 3 4 5 6 7 7 6 5 4
R /
L I
N
S
Block Diagram / Pin Descriptions:
http://mess.redump.net/_media/datasheets/fujitsu/mb89363b_partial.pdf
D.C. Characteristics:
(Recommended operating conditions unless otherwise noted)
(VCC = +5V +- 10%, GND = 0V, TA = -40o C to 85o C)
Value
Parameter Symbol Min Max Unit Test Condition
----------------------------------------------------------------------------------
Input Low Voltage ViL -0.3 0.8 V
Input High Voltage ViH 2.2 VCC +0.3 V
Output Low Voltage VoL - 0.4 V IoL = 2.5mA
Output High Voltage VoH 3.0 - V IoH =-2.5mA
Sources:
http://www.emb-tech.co.jp/pc104/96dio.pdf
http://www.pb5800.com/resources/2350ser01.pdf
http://www.diagramasde.com/diagramas/otros2/TS-850S%20Service%20Manual%20.pdf
*/
#include "emu.h"
#include "mb89363b.h"
DEFINE_DEVICE_TYPE(MB89363B, mb89363b_device, "mb89363b", "Fujitsu MB89363B I/O")
mb89363b_device::mb89363b_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
device_t(mconfig, MB89363B, tag, owner, clock),
m_i8255_a(*this, "i8255_a"),
m_i8255_b(*this, "i8255_b"),
m_in_a_pa_cb(*this, 0xff),
m_in_a_pb_cb(*this, 0xff),
m_in_a_pc_cb(*this, 0xff),
m_out_a_pa_cb(*this),
m_out_a_pb_cb(*this),
m_out_a_pc_cb(*this),
m_in_b_pa_cb(*this, 0xff),
m_in_b_pb_cb(*this, 0xff),
m_in_b_pc_cb(*this, 0xff),
m_out_b_pa_cb(*this),
m_out_b_pb_cb(*this),
m_out_b_pc_cb(*this)
{
}
uint8_t mb89363b_device::i8255_a_port_a_r(offs_t offset) { return m_in_a_pa_cb(offset); }
uint8_t mb89363b_device::i8255_a_port_b_r(offs_t offset) { return m_in_a_pb_cb(offset); }
uint8_t mb89363b_device::i8255_a_port_c_r(offs_t offset) { return m_in_a_pc_cb(offset); }
void mb89363b_device::i8255_a_port_a_w(offs_t offset, uint8_t data) { m_out_a_pa_cb(offset, data); }
void mb89363b_device::i8255_a_port_b_w(offs_t offset, uint8_t data) { m_out_a_pb_cb(offset, data); }
void mb89363b_device::i8255_a_port_c_w(offs_t offset, uint8_t data) { m_out_a_pc_cb(offset, data); }
uint8_t mb89363b_device::i8255_b_port_a_r(offs_t offset) { return m_in_b_pa_cb(offset); }
uint8_t mb89363b_device::i8255_b_port_b_r(offs_t offset) { return m_in_b_pb_cb(offset); }
uint8_t mb89363b_device::i8255_b_port_c_r(offs_t offset) { return m_in_b_pc_cb(offset); }
void mb89363b_device::i8255_b_port_a_w(offs_t offset, uint8_t data) { m_out_b_pa_cb(offset, data); }
void mb89363b_device::i8255_b_port_b_w(offs_t offset, uint8_t data) { m_out_b_pb_cb(offset, data); }
void mb89363b_device::i8255_b_port_c_w(offs_t offset, uint8_t data) { m_out_b_pc_cb(offset, data); }
uint8_t mb89363b_device::read(offs_t offset)
{
if (offset & 4)
return m_i8255_b->read(offset & 3);
else
return m_i8255_a->read(offset & 3);
}
void mb89363b_device::write(offs_t offset, uint8_t data)
{
if (offset & 4)
m_i8255_b->write(offset & 3, data);
else
m_i8255_a->write(offset & 3, data);
}
void mb89363b_device::device_add_mconfig(machine_config &config)
{
I8255(config, m_i8255_a);
m_i8255_a->in_pa_callback().set(FUNC(mb89363b_device::i8255_a_port_a_r));
m_i8255_a->in_pb_callback().set(FUNC(mb89363b_device::i8255_a_port_b_r));
m_i8255_a->in_pc_callback().set(FUNC(mb89363b_device::i8255_a_port_c_r));
m_i8255_a->out_pa_callback().set(FUNC(mb89363b_device::i8255_a_port_a_w));
m_i8255_a->out_pb_callback().set(FUNC(mb89363b_device::i8255_a_port_b_w));
m_i8255_a->out_pc_callback().set(FUNC(mb89363b_device::i8255_a_port_c_w));
I8255(config, m_i8255_b);
m_i8255_b->in_pa_callback().set(FUNC(mb89363b_device::i8255_b_port_a_r));
m_i8255_b->in_pb_callback().set(FUNC(mb89363b_device::i8255_b_port_b_r));
m_i8255_b->in_pc_callback().set(FUNC(mb89363b_device::i8255_b_port_c_r));
m_i8255_b->out_pa_callback().set(FUNC(mb89363b_device::i8255_b_port_a_w));
m_i8255_b->out_pb_callback().set(FUNC(mb89363b_device::i8255_b_port_b_w));
m_i8255_b->out_pc_callback().set(FUNC(mb89363b_device::i8255_b_port_c_w));
}
void mb89363b_device::device_start()
{
}
void mb89363b_device::device_reset()
{
}
|