M37212EFFP View Datasheet(PDF) - Renesas Electronics

Part Name

Description

Manufacturer

M37212EFFP

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

Renesas Electronics 

MITSUBISHI MICROCOMPUTERS

M37212M4/M8–XXXSP, M37212M6–XXXSP/FP

M37212EFSP/FP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER

with ON-SCREEN DISPLAY CONTROLLER

6. PERFORMANCE OVERVIEW

Table 6.1 Performance Overview

Parameter

Functions

Number of basic instructions

71

Number of basic instructions

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

quency)

Instruction execution time

8 MHz (maximum)

Memory size

ROM M37212M4-XXXSP 16K bytes

M37212M6-XXXSP/FP 24K bytes

M37212M8-XXXSP 32K bytes

M37212EFSP/FP

62K bytes

RAM M37212M4-XXXSP 320 bytes

M37212M6-XXXSP/FP 384 bytes

M37212M8-XXXSP 576 bytes (ROM correction memory included)

M37212EFSP/FP

1280 bytes (ROM correction memory included)

OSD ROM

8 K bytes

Input/Output ports

OSD RAM

P0

P10–P14

P15–P17

P20–P27

P30, P31

P32–P37

P40, P41

P42

P52–P55

P60–P63

Serial I/O

Multi-master I2C-BUS interface

I/O

I/O

Input

I/O

I/O

Input

I/O

Input

Output

Output

96 bytes

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

output pins)

5-bit ! 1 (CMOS input/output output structure, however, N-channel open-

drain output structure, when P11–P14 are used as multi-master I2C-BUS

interface, can be used as OSD output, A-D input, multi-master I2C-BUS

interface)

3-bit ! 1 (can be used as INT input pin, A-D input pins)

8-bit ! 1 (CMOS input/output structure)

2-bit ! 1 (CMOS input/output structure)

6-bit ! 1 (can be used as external clock input pins, INT input pins, OSD

display clock I/O pins, A-D input pins)

2-bit ! 1 (N-channel open-drain output structure, can be used as serial I/O

pins, A-D input pins)

1-bit ! 1(can be used as serial input pin, A-D input pin)

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

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

output pins)

8-bit ! 1

1 (2 systems)

A-D comparator

PWM output circuit

Timers

8 channels (6-bit resolution)

14-bit ! 1, 8-bit ! 8

8-bit timer ! 4

Subroutine nesting

96 levels (maximum)

Interrupt

<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

Clock generating circuit

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

crystal oscillator)

Rev. 1.0

6

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