MN101E31 Series
8-bit Single-chip Microcontroller
Overview
The MN101E series of 8-bit single-chip microcomputers (the memory expansion version of MN101C series) incorporate
multiple types of peripheral functions. This chip series is well suited for camera, VCR, MD, TV, CD, LD, printer, telephone,
home automation, pager, air conditioner, PPC, fax machine, music instrument and other applications.
This LSI brings to embedded microcomputer applications flexible, optimized hardware configurations and a simple efficient
instruction set. The MN101E31 series have an internal 128 KB/64 KB (maximum) of ROM and 6 KB/4 KB(maximum) of
RAM. Peripheral functions include 6 external interrupts, 23 internal interrupts including NMI, 9 timer counters, 5 sets of serial
interfaces, A/D converter, LCD driver, watchdog timer, 1 set of automatic data transfer, synchronous output function and buzzer
output. The configuration of this microcomputer is well suited for application as a system controller in camera, timer selector for
VCR, CD player, or minicomponent.
With three oscillation system (high frequency : max. 10 MHz / low frequency : 32.768 kHz and PLL : frequency multiplier
of high frequency) contained on the chip, the system clock can be switched to high frequency input (high speed mode), PLL
input (PLL mode), or to low frequency input (low speed mode).
The system clock is generated by dividing the oscillation clock. The best operation clock for the system can be selected by
switching its frequency by software. High speed mode has the normal mode which is based on 2-cycle clock (fpll/2) and the
double speed mode which is based on the not-devided clock with fpll.
A machine cycle (min. instructions execution) in the normal mode is 200 ns when fosc is 10 MHz (at the time that PLL is
not used). A machine cycle in the double speed mode is 100 ns when fosc is 10 MHz. A machine cycle in the PLL mode is 50 ns
(maximum).The package is 80-pin, LQFP.
Product Summary
This manual describes the following models of the MN101E31 series. These products have identical functions. Please note that mainly
dealed here is MN101E31G.
Model
MN101E31G
MN101E31D
MN101E31A
MN101EF31G
MN101EF31D
ROM Size
128 KB
64 KB
32 KB
128 KB + 4 KB
64 KB + 8 KB
RAM Size
6 KB
4 KB
2 KB
6 KB
4 KB
Flash EEPROM version
Mask ROM version
LQFP080-P-1414A
Classification
Package
Publication date: February 2012
Ver. HEM
1
MN101E31 Series
Features
ROM Capacity
128 / 64 / 32 Kbyte (MN101EF31G: 128 Kbyte + 4 Kbyte, MN101EF31D: 64 Kbyte + 8 Kbyte)
RAM Capacity
6 / 4 / 2 Kbyte
Package
80pin LQFP (14 mm square, 0.65 mm pitch)
Machine Cycle
High speed mode
0.10
ms
/ 10 MHz (2.2 V to 5.5 V) (MN101EF31D: 2.7 V to 5.5 V)
PLL mode
0.05
ms
/ 20 MHz (2.2 V to 5.5 V) (MN101EF31D: 2.7 V to 5.5 V)
Low speed mode
62.5
ms
/ 32 kHz (2.2 V to 5.5 V) (MN101EF31D: 2.7 V to 5.5 V)
Clock Gear
Operation speed of system clock is variable by changing the frequency.
Multiplied Clock
High-speed frequency clock (fosc) can be multiplied by 2, 3, 4, 5, 6, 8 and 10.
Memory bank
Data memory space is expanded by the bank system.
Bank for the source address/Bank for the destination address.
ROM correction
Correcting address designation : up to 7 addresses possible
Operating Mode
NORMAL mode ( High speed mode)
PLL mode
SLOW mode ( Low speed mode)
HALT mode
STOP mode
(The operation clock can be switched in each mode.)
Operating Voltage
2.2 V to 5.5 V (MN101EF31D: 2.7 V to 5.5 V)
Operating Temperature
-40°C
to +85°C
2
Ver. HEM
MN101E31 Series
Features (continued)
Interrupt:
29 levels
<Watchdog timer>
NMI-Watchdog timer overflow
<Timer interrupts>
TM0IRQ-Timer 0 interrupt (8-bit timer)
TM1IRQ-Timer 1 interrupt (8-bit timer)
TM2IRQ-Timer 2 interrupt (8-bit timer)
TM3IRQ-Timer 3 interrupt (8-bit timer)
TM4IRQ-Timer 4 interrupt (8-bit timer)
TM6IRQ-Timer 6 interrupt (8-bit timer)
TBIRQ-Clock timer interrupt
TM7IRQ-Timer 7 interrupt (16-bit timer)
T7OC2IRQ- Timer 7 interrupt (16-bit timer)
TM8IRQ-Timer 8 interrupt (16-bit timer)
T8OC2IRQ- Timer 8 interrupt (16-bit timer)
<Serial interrupts>
SC0TIRQ-Serial interface 0 interrupt (UART transmission, synchronous)
SC0RIRQ-Serial interface 0 interrupt (UART reception) (Peripheral function group interrupt)
SC1TIRQ-Serial interface 1 interrupt (UART transmission, synchronous)
SC1RIRQ-Serial interface 1 interrupt (UART reception) (Peripheral function group interrupt)
SC2TIRQ-Serial interface 2 interrupt (UART transmission, synchronous)
SC2RIRQ-Serial interface 2 interrupt (UART reception)
SC4TIRQ- Serial interface 4 interrupt (synchronous)
SC4SIRQ- Serial interface 4 interrupt (Multi master IIC, Stop condition) (Peripheral function group interrupt)
SC5TIRQ- Serial interface 5 interrupt (Slave IIC) (Peripheral function group interrupt)
<A/D conversion end>
ADIRQ-AD conversion end
<Automatic Transfer Controller interrupts>
ATC1IRQ (Peripheral function group interrupt)
<External interrupts> Edge selectable
IRQ0:External interrupt (AC zero-cross detector, With/Without noise filter)
IRQ1:External interrupt (AC zero-cross detector, With/Without noise filter)
IRQ2:External interrupt (Both edges interrupt)
IRQ3:External interrupt (Both edges interrupt)
IRQ4:External interrupt (Both edges interrupt)
IRQ5:External interrupt (Key scan interrupt only)
Ver. HEM
3
MN101E31 Series
Features (continued)
Timer Counter:
10 timers All timer counters generate interrupt (9 can be operated independently)
8-bit timer for general use : 5 sets
8-bit free-running timer : 1 set
Time base timer : 1 set
16-bit timer for general use : 2 sets
Simple 8-bit timer : 1 set
Timer 0 (8-bit timer for general use)
Square wave output (timer pulse output), added pulse(2-bit) system PWM output (can be output to large current pin TM0IOB),
event count, remote control carrier output, simple pulse with measurement
Clock source: fpll, fpll/4, fpll/16, fpll/32, fpll/64, fpll/128, fs/2, fs/4, fs/8, fx, external clock, TimerA output
Real timer output control
Control the timer (PWM) output by the falling edge of external interrupt 0 (IRQ0) with the follow 3 value; "High" -fixed,
"LOW" -fixed and "Hi-Z" -fixed
Timer 1 (8-bit timer for general use)
Square wave output(timer pulse output), event count, 16-bit cascade connected (timer0, 1), timer synchronous output event
Clock source: fpll, fpll/4, fpll/16, fpll/32, fpll/64, fpll/128, fs/2, fs/4, fs/8, fx, external clock, TimerA output
Timer 2 (8-bit timer for general use)
Square wave output (timer pulse output), added pulse(2-bit) system PWM output (can be output to large current pin TM2IOB),
event count, simple pulse with measurement, 24-bit cascade connected (timer0, 1), timer synchronous output event
Clock source: fpll, fpll/4, fpll/16, fpll/32, fpll/64, fpll/128, fs/2, fs/4, fs/8, fx, external clock, TimerA output
Real timer output control
Control the timer (PWM) output by the falling edge of external interrupt 0 (IRQ0) with the follow 3 value; "High" -fixed,
"LOW" -fixed and "Hi-Z" -fixed
Timer 3 (8-bit timer for general use)
Square wave output(timer pulse output), event count, remote control carrier output, 16bit cascade connected (timer2),
32-bit cascade connected (timer0, 1, 2)
Clock source: fpll, fpll/4, fpll/16, fpll/32, fpll/64, fpll/128, fs/2, fs/4, fs/8, fx, external clock, TimerA output
Timer 4 (8-bit timer for general use)
Square wave output (timer pulse output), added pulse(2-bit) system PWM output, event count, serial transfer clock,
simple pulse measurement
Clock source: fpll, fpll/4, fpll/16, fpll/32, fpll/64, fpll/128, fs/2, fs/4, fs/8, fx, external clock, TimerA output
Timer 6 (8-bit free-running timer, Time base timer)
8-bit free-running timer
Clock source: fpll, fpll/2
12
, fpll/2
13
, fs, fx, fx/2
12
, fx/2
13
Time base timer
Interrupt generation cycle: fpll/2
7
, fpll/2
8
, fpll/2
9
, fpll/2
10
, fpll/2
13
, fpll/2
15
, fx/2
7
, fx/2
8
, fx/2
9
, fx/2
10
, fx/2
13
, fx/2
15
4
Ver. HEM
MN101E31 Series
Features (continued)
Timer Counter ( contined)
Timer 7 (16-bit timer for general use)
Clock source: fpll, fpll/2, fpll/4, fpll/16, fs, fs/2, fs/4, fs/16
1/1, 1/2, 1/4, 1/16 of the external clock, TimerA output
Hardware organization
Compare register with double buffer : 2 sets
Input capture register : 1 set
Timer interrupt : 2 vectors
Timer functions
Square wave output (Timer pulse output), High precision PWM output (Cycle/Duty continuous changeable),
IGBT output (Cycle/Duty continuous changeable) can be output to large current pin TM7IOB
Timer synchronous output, event count, Input capture function (Both edges can be operated)
Real timer output control
Control the timer (PWM) output by the falling edge of external interrupt 0 (IRQ0) with the follow 3 value; "High" -fixed,
"LOW" -fixed and "Hi-Z" -fixed
Timer 8 (16-bit timer for general use)
Clock source: fpll, fpll/2, fpll/4, fpll/16, fs, fs/2, fs/4, fs/16
1/1, 1/2, 1/4, 1/16 of the external clock, TimerA output
Hardware organization
Compare register with double buffer : 2 sets
Input capture register : 1 set
Timer interrupt : 2 vectors
Timer functions
Square wave output (Timer pulse output), High precision PWM output (Cycle/Duty continuous changeable) can be output to
large current pin TM8IOB, event count, pulse width measurement, input capture (Both edge available),
32-bit cascade connected (Timer7, 8), 32-bit PWM output, Input capture is available at 32-bit cascade
TimerA output (Simple timer counter A)
Clock output for peripheral function
Watchdog timer
Time-out cycle can be selected from fs/2
16
, fs/2
18
, fs/2
20
On detection of errors, hard reset is done inside LSI.
Synchronous output function
Timer synchronous output, interrupt synchronous output
Port 8 outputs the latched data, on the event timing of the synchronous output signal of timer
Timer1, Timer2, or Timer7, or of the external interrupt 2 (IRQ2).
Buzzer Output/Reverse Buzzer Ouput:
Output frequency can be selected from fpll/2
9
, fpll/2
10
, fpll/2
11
, fpll/2
12
, fpll/2
13
, fpll/2
14
, fx/2
3
, fx/2
4
.
Remote Control Carrier Output:
A remote control carrier output with duty cycle of 1/2 or 1/3 of timer 0 or timer 3 output are available.
A/D Converter
10-bit
×
12 channels
Ver. HEM
5
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