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DESCRIPTION

The M37207MF-XXXSP/FP and M37207M8-XXXSP are single-chip microcomputers designed with CMOS silicon gate technology. It is housed in a 64-pin shrink plastic molded DIP or a 80-pin plastic molded QFP.

In addition to their simple instruction sets, the ROM, RAM and I/O addresses are placed on the same memory map to enable easy programming.

FEATURES

? Number of basic instructions .................................................... 71

? Memory size .................................................................................

ROM ...................... 32K bytes (M37207M8-XXXSP)

62K bytes (M37207MF-XXXSP/FP,

M37207EFSP/FP)

RAM ...................... 512 bytes (M37207M8-XXXSP)

960 bytes (M37207MF-XXXSP/FP,

M37207EFSP/FP)

ROM correction memory ............................ 64 bytes

ROM for display....... 8K bytes (M37207M8-XXXSP)

12K bytes (M37207MF-XXXSP/FP,

M37207EFSP/FP)

RAM for display ........................................144 bytes

? Minimum instruction execution time

........................................ 0.5 μs (at 8 MHz oscillation frequency)

? Power source voltage ..................................................5 V ± 10

? Subroutine nesting ............................................ 128 levels (Max.)

? Interrupts ...................................................... 15 types, 14 vectors

? 8-bit timers ................................................................................. 6

? Programmable I/O ports

(Ports P0, P1, P2, P30–P36, P4, P6) ....................................... 47

? Input ports (Ports P70, P71) ....................................................... 2

? Output ports (Ports P52–P56) ..................................................... 5

? 12 V withstand ports ................................................................. 10

? LED drive ports .......................................................................... 4

? Serial I/O ....................................... 8-bit ?1 channel (2 systems)

? Multi-master I2C-BUS interface ...............................1 (3 systems)

? Power dissipation

In high-speed mode ........................................................ 165 mW

(at VCC = 5.5 V, 8 MHz oscillation frequency, CRT on)

In low-speed mode ......................................................... 0.33 mW

(at VCC = 5.5 V, 32 kHz oscillation frequency)

? A-D comparator (6-bit resolution) ................................ 8 channels

? PWM output circuit ...................................... 14-bit ?1, 8-bit ?10

? Interrupt interval determination circuit ........................................ 1

? ROM correction function .......................................... 32 bytes ? 2

? CRT display function

Number of display characters ............... 24 characters ? 3 lines

(16 lines maximum)

Kinds of characters .................. 256 kinds (M37207M8-XXXSP)

384 kinds (M37207MF-XXXSP/FP,

M37207EFSP/FP)

Character display area .......................................... 12 ? 16 dots

Kinds of character sizes ................................................. 4 kinds

Kinds of character colors (It can be specified by the character)

maximum 15 kinds (R, G, B, I)

Kinds of character background colors (It can be specified by the character)

maximum 7 kinds (R, G, B)

1/2-character unit color specification is possible.

Kinds of raster colors (maximum 15 kinds)

Display position

Horizontal .................................................................. 64 levels

Vertical .................................................................... 128 levels

Bordering (horizontal and vertical)

Wipe function

Scanning line double count mode display is possible.

APPLICATION

TV