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DR-2111, DR-UP124X-5
• Pin Function
No. Pin Name
1/0
Description
No.
Pin Name
1/0
Description
(
1
VssO
-
GND
(for
Logic)
56
VssO
-
GND (for
Logic)
- -
2
RASO
0
RAS signal output terminal 0 to Buffer
57
INTl
0
Interrupt request
signal output terminal
DRAM.
(Normally
0)
from
tDE
Block
to
MC
(Microcontroller).
- -
3
RASl
0
RAS signal output
terminal
1 to Buffer
58
DRAM.
I
VssO
-
·
GND
(for
Logic)
60
4
VssO
-
GND
(for Logic)
61
- -
NC
Not
connect (OPEN)
- -
5
CASO
0
CAS
signal
output
terminal 0 to Buffer
DRAM.
(Normally
0)
62
- -
NC
- -
6
CASl
0
CAS
signal
output terminal 1
to
Buffer
63
VssO
-
GND (for
Logic)
DRAM.
64
SDATA
I
7
VssO
-
GND (for
Logic)
65
BCK
I
-
8
OE
-
Buffer RAM Output Enable
CD-DSP
l/F Terminal
66
LRCK
I
- -
9
UWE
-
Buffer RAM Upper Write Enable
67
C2PO
I
- -
10
LWE
-
Buffer RAM Lower Write Enable
68
MCK2
0
1/1,
1/2,
1/512 Stop ofXTALCK output
11
RAO
I
I
0
Data
Buffer DRAM
(address:
RAO--RA9)
69
VssO
-
GND (for Logic)
17
RA6
18
VDD
-
Power
supply
70
XTALCK
I
X'tal oscillation
circuit input
71
XTAL
0
X'tal
oscillation
circuit output
(
19
VssO
-
GND (for Logic)
72
VssO
-
GND (for Logic)
20
RA7
I
I
0
Data
Buffer
DRAM
(address:
RAO--RA9)
73
VDD
-
Power
supply
22
RA9
74
MCK
0
1/1, 1/2 Stop
ofXTALCK output
23
RAIO
I
I
0
SRAM, PSRAM (address:
RA10--RA16)
75
VssO
-
GND
(for
Logic)
29
RA16
- - -
76
RSTIC
0
Reset
signal
output
to
reset IC of drive
30
100
Data Input/Output
terminal
to Data
Buffer
I
I
1/0
RAM.
(built-in pull-up
resistor)
77
CSCTRL
I
Active
(H
or
L)
selection t erminal of CS
35
105
[MC (Microcontroller)
side)]
- - -
36
VssO
-
GND (for
Logic)
78
RESET
I
LSI
Reset
terminal
- -
37
VDD
-
Power
supply
79
RD
I
MC
(microcontroller)
data
read signal
input
- -
38
106
Data
Input/Output terminal to
Data
Buffer
80
WR
I
MC(rnicrocontroller)
data
write signal
input
I
I
1/0
RAM.
(built-in
pull-up
resistor)
-
47
1015
81
cs
I
Register chip selection input terminal from
MC
(microcontroller).
48
TES TO
I
I
NC
Test
terminal
82
VssO
-
GND (for
Logic)
51
TEST3
83
SUAO
I
MC
(microcontroller)
register selection
52
VssO
-
GND (for Logic)
I
I
signal
89
SUA6
53
VssO
-
90
VDD
-
Power
supply
-
54
TEST4
I
Test
terminal (L: fixed)
91
VssO
-
GND (for
Logic)
55
VssO
-
GND (for Logic)
28
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