7220 datasheet(22/303 Pages) RENESAS

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1-4

7220 Group User’s Manual

OVERVIEW

Subroutine nesting

Interrupt

Clock generating circuit

Power source voltage

Power dissipation

12V withstand ports

LED drive ports

Operating temperature range

Device structure

Package

CRT display function

1.1 Performance overview

Table 1.1.2 Performance overview (2)

Performance

Parameter

96 levels (maximum)

128 levels (maximum)

External interrupt ! 3, Internal timer interrupt ! 4, Serial

I/O interrupt ! 1, CRT interrupt ! 1, Multi-master I2C-

BUS interface interrupt ! 1, f(XIN)/4096 interrupt ! 1,

VSYNC interrupt ! 1, BRK interrupt ! 1

2 built-in circuits (externally connected to a ceramic

resonator or a quartz-crystal oscillator)

5 V ± 10 %

165 mW typ. (at oscillation frequency f(XIN) = 8 MHz,

fCRT = 8 MHz)

110 mW typ. (at oscillation frequency f(XIN) = 8 MHz)

1.65 mW (maximum)

–10 °C to 70 °C

CMOS silicon gate process

42-pin shrink plastic molded DIP

42-pin shrink plastic molded SOP

24 characters ! 2 lines (maximum 16 lines by software)

12 ! 16 dots

256 kinds

3 kinds

Maximum 7 kinds (R, G, B); can be specified by the

character

64 levels (horizontal) ! 128 levels (vertical)

M37221M4-XXXSP

M37221M6-XXXSP/FP

M37221M8-XXXSP

M37221MA-XXXSP

CRT ON

CRT OFF

In stop mode

M37221M4-XXXSP

M37221M6-XXXSP

M37221M8-XXXSP

M37221MA-XXXSP

M37221M6-XXXFP

Number of display characters

Dot structure

Kinds of characters

Kinds of character sizes

Kinds of character

colors

Display position (horizontal, vertical)

Note: Only M37221M8-XXXSP and M37221MA-XXXSP have the function.

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