S
IN
S
CLK
S
OUT
SDA2
SDA1
SCL2
SCL1
PWM7
PWM6
PWM5
PWM4
PWM3
PWM2
PWM1
PWM0
P3 (3)
P2 (8)
P0 (8)
P1 (8)
P4 (8)
INT1
INT2
Multi-master
2C-BUS interface
I
INT3
18
37
36
17 40 41 42 43 45 47 49
10 9 8 7 50 51 52 53 55 57 59 60 39 15 13 11
14 23 21 19 6 5 4 3
44 46 48 54 56 58 16 12 61 62 63 64 20 22 2
OUT1
B
G
R
V
SYNC
MITSUBISHI MICROCOMPUTERS
M37280MF–XXXSP, M37280MK–XXXSP
M37280EKSP
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
and ON-SCREEN DISPLAY CONTROLLER
Output port I/O ports
P3
0
, P3
1
P3
2
I/O port P2
I/O port P1
I/O port P0
Output port P4
7
Input ports P4
0
–P4
6
Output ports
Output port P5
P6
0
–P6
2
, P6
5
–P4
7
Sync
signal input
H
SYNC
4
PRE
Input ports P7
0 –
P7
2
Pins for data slicer
Reset input
RESET AV
CC
V
CC
V
SS
CNV
SS
32
29
28
25
34
35
27
26
Clock input Clock output
V
HOLD
HLF
CV
IN
RVCO
36
24
33
X
IN
X
OUT
Input ports P6
3
, P6
4
Clock input for Clock output for OSD/
OSD/sub-clock input sub-clock output
OSC1 OSC2
30
31
ARY
IMIN
L
SI/O
P7 (3)
Data slicer
A-D converter
.
.
tion change
ifica
pec bject to
al s su
e
a fin
not imits ar
is
l
This entic
m
ice:
Not e para
Som
Clock
generating
circuit
TIM2
TIM3
Program
counter
Fig. 9.1 Functional Block Diagram of M37280
Timer count source
selection circuit
Progam
counter
9. FUNCTIONAL BLOCK DIAGRAM
Data bus
RAM
ROM
PC
H
(8)
Timer 2
T2 (8)
Timer 3
T3 (8)
PC
L
(8)
Timer 1
T1 (8)
Address bus
Timer 4
T4 (8)
Control signal
Index
register
Index
register
8-bit
arithmetic
and
logical unit
X (8)
Y (8)
Stack
pointer
S (8)
Timer 5
T5 (8)
Timer 6
T6 (8)
Instruction
decoder
Instruction
register (8)
Accumulator
A (8)
Processor
status
register
PS (8)
OSD circuit
A-D
converter
SI/O (8)
8-bit
PWM circuit
P6 (8)
P5 (8)
1
Rev. 1.0
RENESAS [ RENESAS TECHNOLOGY CORP ]
