M37221EAFP View Datasheet(PDF) - Renesas Electronics

Part Name

Description

Manufacturer

M37221EAFP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

Renesas Electronics 

MITSUBISHI MICROCOMPUTERS

M37221M4H/M6H/M8H/MAH–XXXSP/FP

M37221EASP/FP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER

with ON-SCREEN DISPLAY CONTROLLER

6. PERFORMANCE OVERVIEW

Table 6.1 Performance Overview

Parameter

Number of basic instructions

Number of basic instructions

Instruction execution time

Memory size

ROM M37221M4H-XXXSP/FP

M37221M6H-XXXSP/FP

M37221M8H-XXXSP/FP

M37221MAH-XXXSP/FP,

M37221EASP/FP

RAM M37221M4H-XXXSP/FP

M37221M6H-XXXSP/FP

M37221M8H-XXXSP/FP

M37221MAH-XXXSP/FP,

M37221EASP/FP

OSD ROM

OSD RAM

tInput/Output ports P0

I/O

P10, P15–P17

I/O

P11–P14

I/O

P20, P21

I/O

P22–P27

I/O

P30, P31

I/O

P32

I/O

P33, P34

Input

P52–P55

Output

Serial I/O

Multi-master I2C-BUS interface

A-D comparator

D-A converter

PWM output circuit

Timers

ROM correction function

Subroutine nesting M37221M4H/M6H-XXXSP/FP

M37221M8H/MAH-XXXSP/FP,

M37221EASP/FP

Interrupt

Clock generating circuit

Functions

71

0.5 µs (the minimum instruction execution time, at 8 MHz oscillation fre

quency)

8 MHz (maximum)

16K bytes

24K bytes

32K bytes

40K bytes

384 bytes (ROM correction memory included)

448 bytes (ROM correction memory included)

576 bytes (ROM correction memory included)

704 bytes (ROM correction memory included)

8 K bytes

96 bytes

8-bit 5 1 (N-channel open-drain output structure, can be used as PWM

output pins, INT input pins, A-D input pin)

4-bit ✕ 1 (CMOS input/output structure, can be used as OSD output pin,

A-D input pins, INT input pin)

4-bit ✕ 1 (CMOS input/output structure, can be used as multi-master I2C-

BUS interface)

2-bit ✕ 1 (CMOS input/output or N-channel open-drain output structure,

can be used as serial I/O pins)

6-bit ✕ 1 (CMOS input/output structure, can be used as serial input pin,

timer external clock input pins)

2-bit ✕ 1 (CMOS input/output or N-channel open-drain output structure, can

be used as A-D input pins, D-A conversion output pins <Only M37221EASP/FP>)

1-bit ✕ 1 (N-channel open-drain output structure)

2-bit ✕ 1 (can be used as OSD display clock I/O pins)

4-bit ✕ 1 (CMOS output structure, can be used as OSD output pins)

8-bit ✕ 1

1 (2 systems)

6 channels (6-bit resolution)

2 (6-bit resolution) (Only M37221EASP/FP)

14-bit ✕ 1, 8-bit ✕ 6

8-bit timer ✕ 4

2 vectors

96 levels (maximum)

128 levels (maximum)

<14 sources>

INT external interrupt ✕ 3, Internal timer interrupt ✕ 4, Serial I/O interrupt ✕ 1,

OSD interrupt ✕ 1, Multi-master I2C-BUS interface interrupt ✕ 1, f(XIN)/4096

interrupt ✕ 1, VSYNC interrupt ✕ 1, BRK interrupt ✕ 1, Reset ✕ 1

2 built-in circuits (externally connected a ceramic resonator or a quartz-

crystal oscillator)

Rev. 1.0

6

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