m37280eksp Mitsumi Electronics, Corp., m37280eksp Datasheet - Page 165

• Manufacturer Part Number: m37280eksp
• Description: Single-chip 8-bit Cmos Microcomputer With Closed Caption Decoder And On-screen Display Controller
• Manufacturer: Mitsumi Electronics, Corp.

Rev. 1.0
x x x x x x x
x x x x x
I/O Polarity Control Register
Clock Control Register
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
0 0
0
0
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER
Note: Refer to Fig. 12.11.19.
Note 1: Set bit 7 of address 00C7
3 to 6
1, 2
B
0
1
2
3
4
5
6
7
B
0
7
I/O polarity control register (PC) [Address 0217
Clock control register (CS) [Address 0216
2: Be sure to set bit 7 to “0” for program of the mask and the EPROM versions.
H
switch bit (PC0)
V
switch bit (PC1)
R, G, B output polarity
switch bit (PC2)
OUT1 output polarity
switch bit (PC4)
OUT2 output polarity
switch bit (PC5)
Display dot line selection
bit (PC6) (See note)
Field determination
flag(PC7)
Nothing is assigned. This bit is a write disable bit.
When this bit is read out, the value is “0”.
SYNC
SYNC
For the emulator MCU version (M37280ERSS), be sure to set bit 7 to “1”
when using the data slicer clock for software debugging.
Test bit
(See note 2)
and P6
Clock selection bit
(CS0)
OSC1 oscillating mode
selection bits (CS1, CS2) 0 0: 32kHz oscillating mode.
Fix these bits to “0.”
M37280MF–XXXSP, M37280MK–XXXSP
input polarity
input polarity
4
.
Name
Name
16
b2 b1
0 1: Used as input port of P6
1 0: LC oscillating mode
1 1: Ceramic • quartz-crystal
0 : Positive polarity input
1 : Negative polarity input
0 : Positive polarity input
1 : Negative polarity input
0 : Positive polarity output
1 : Negative polarity output
0 : Positive polarity output
1 : Negative polarity output
0 : Positive polarity output
1 : Negative polarity output
0 : “
1 : “
0 : Even field
1 : Odd field
0: Data slicer clock
1: OSC1 clock
x
x x
to “1”, when OSC1 and OSC2 are used as P6
“
“
and P6
oscillating mode
” at even field
” at odd field
” at even field
” at odd field
16
Functions
Functions
]
4
(See note 1).
16
and ON-SCREEN DISPLAY CONTROLLER
]
MITSUBISHI MICROCOMPUTERS
3
After reset R W
After reset R W
0
0
0
0
0
0
0
1
0
0
0
0
M37280EKSP
R W
R W
R W
R —
R W
R W
R W
R —
R W
R W
R W
R W
Address 0216
Address 0217
3
165
16
16