LC82151 Datasheet, PDF (3/8 Pages) Sanyo Semicon Device – Single-Chip Facsimile Controller

LC82151
Pin Assignment
I Input pins
O Output pins
Type
B Bidirectional pins NC No connection
P Power pins
Pin No.
Pin
1
V_SS
2
VP
3
RDY
4
VPA
5
VDA
6
A19
7
A18
8
A17
9
A16
10
D7
11
D6
12
D5
13
D4
14
D3
15
D2
16
D1
17
D0
18
V_DD
19
V_SS
20
RD
21
WR
22
ROMCS
23
RAMCS
24
IOCS
25
MCS
26 RAS/PG1
27 CAS/PG2
28
PA7
29
PA6
30
PA5
31
PA4
32
PA3
33
PA2
34
PA1
35
PA0
36
V_SS
37
V_DD
38
RIN
39 PHASEO
40
VCOI
41 INT8/PB7
42 INT2/PB6
43 BACK/PB5
44 BREQ/PB4
45 EXRDY/PB3
46
PB2
47
PB1
48
PB0
49
NMI
50
TEST2
I/O
Pin function
P Ground
I ICE vector address signal
O ICE ready signal
I ICE valid program address signal
I ICE valid data address signal
O
O
Address bus
O
O
B
B
B
B
Data bus
B
B
B
B
P Power supply
P Ground
O Read signal from the CPU
O Write signal from the CPU
O Program ROM chip select signal
O Working RAM chip select signal
O External I/O chip select signal
O External I/O chip select signal
B DRAM row address strobe/general-purpose port G
B DRAM column address strobe/general-purpose port G
B
B
B
B
General-purpose port A
B
B
B
B
P Ground
P Power supply
I PLL bias input
O PLL phase detector output
I PLL voltage-controlled oscillator input
B
External interrupt request signal/general-purpose port B
B
B CPU bus acknowledge signal/general-purpose port B
B CPU bus request signal/general-purpose port B
B External ready input/general-purpose port B
B
B General-purpose port B
B
I Non-maskable interrupt request signal
I Test pin
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