Microprocessor Interface Pin Descriptions
194
WR
Write Enable low indicates a write to external RAM or other
devices
195
RD
Read Enable low indicates a read to external RAM or other
devices
196
ROMOE
ROM Output Enable low output indi cates a read from
external ROM.
197
ROMWE
ROM Write Enable low indicates a write to external ROM.
198
CS0
Chip select signal
199
CS1
Chip select signal
193 NMI
Non-maskable
Interrupt
164
,
173
~
184
,
187
~
192
A1
~A19
Microprocessor address bus output bits
148
~163
D0
~D15
Microprocessor 16-bit bidirectional data bus
Peripheral Interface Pin Descriptions
207
PORTA0
DISPEN signal output(PDP display control)
206 PORTA1
READY signal input
(
PDP display ready
)
205 PORTA2
SDA
204 PORTA3
SCL
203
PORTA4
IR receive signal input
201
PORTA6
DVI digital interface select control
203
PORTA4
IR receive signal input
57
、
58
、
60
~
64
PORTB0
~
PORTB7
Key control input
39
PORTC0
MA-EN enable control
40
PORTC1
480ISEL 480I anti-copy control
41 PORTC2
RST-1235
PW1235
reset
42
PORTC3
DIGSEL DVI digital interface select
43
PORTC4
LVDSON LVDS enable control
44
PORTC5
S0 sound system control
45
、
46 PORTC6
、
PORTC7
LED control
67
RXD
Serial Receive Data
68 TXD
Serial
Transmit
Data
Miscellaneous Pin Descriptions
142
TEST
Test mode enable
139 RESET
Bidirectional
reset
pin
169 XI
Crystal
input
170 XO
Crystal
output
Power and Ground Pin Descriptions
16
,
37
,
65
,
84
,
137
,
185
VDD1
1.8V digital core power.
17
,
38
,
66
,
85
,
138
,
186
VSS Digital
core
ground
29
,
52
,
72
,
86
,
104
,
123
,
140
,
171
,
208
VDDQ3
3.3V digital I/O power.
1
,
30
,
53
,
73
,
87
,
105
,
124
,
141
,
172
VSSQ Digital
I/O
ground.
165
VDDPA2
1.8V analog clock generator power.
166
VSSPA2
Clock generator analog ground.
167
VDDPA1
1.8V analog clock generator power.
168
VSSPA1
Clock generator analog ground.
13
Содержание H-PDP4201
Страница 14: ...PW113 Block Diagram 14 ...
Страница 18: ...18 ...
Страница 19: ...PW1235 Block Diagram 2 2 5 TA2024 general 19 ...
Страница 23: ...DS90CF383 Block Diagram 23 ...
Страница 26: ...26 ...
Страница 51: ...Annex 1 装配图 51 ...
Страница 52: ...Annex 2 52 ...
Страница 53: ...电源滤波器组件 内 联 电 源 线 主板组件 按键板组件 板组件 53 ...