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AM1 (MN101) Series
AM1 (MN101) Series
The AM1 Series of 8-bit microcomputers is the realization of developments in C
programming.
Because of the 8-bit architecture, which allows half-byte instruction sets and offers
other advantages, assembler ROM code size can be reduced.
They are compact and consume little power, but feature a shortest instruction
processing time of 63 ns (5 V).
They can be used in a wide variety of applications where cost performance is a
demand.
Features
q Efficiency of C-based ROM code: Assembler rate 1 or less
q High-speed instruction processing: 63 ns (32 MHz)
q Linear address space: 1 MB
q Identical architecture for 32- and 16-bit microcomputers
q Option functions
Hardware task switching (Max. 4 task)
16-bit multiplication
ROM collection
s Application

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MN101C28A , MN101C28C , MN101C28D ,
MN101C28F , MN101C28L
Type
ROM (× 8-bit)
External memory can be expanded
RAM (× 8-bit)
External memory can be expanded
Package
(Conventional Package)
Minimum Instruction
Execution Time
Interrupts
Timer Counter
MN101C28A
32 K
MN101C28C
48 K
MN101C28D
64 K
MN101C28F
96 K
MN101C28L
96 K
1.5 K 2 K 2 K 4 K 10 K
[All lead-free] LQFP080-P-1414A, TQFP080-P-1212D, QFP084-P-1818E
(TQFP080-P-1212C)
LQFP080-P-1414A *Lead-free
0.10 µs (at 4.5 V to 5.5 V, 20 MHz)
0.238 µs (at 2.6 V to 5.5 V, 8.39 MHz)
0.333 µs (at 2.3 V to 5.5 V, 6 MHz)
1.00 µs (at 2.0 V to 5.5 V, 2 MHz)*
125 µs (at 2.0 V to 5.5 V, 32.768 kHz)*
* The lower limit for operation guarantee for EPROM built-in type is 2.3 V.
• RESET • Watchdog • External 0 • External 1 • External 2 • External 3 • External 4 • Timer 0
• Timer 1 • Timer 2 • Timer 3 • Timer 4 • Timer 5 • Time base • Serial 0 • Serial 1 • Serial 2
• Automatic transfer finish • A/D conversion finish
Timer counter 0 : 8-bit × 1 (square-wave/8-bit PWM output, event count, generation of remote control carrier)
Clock source ····················· 1/1, 1/4 of system clock frequency; 1/1 of OSC oscillation clock frequency;
external clock input
Interrupt source ················ coincidence with compare register 0
Timer counter 1 : 8-bit × 1 (square-wave output, event count, synchronous output event)
Clock source ····················· 1/16, 1/64 of system clock frequency; 1/1 of XI oscillation clock frequency;
external clock input
Interrupt source ················ coincidence with compare register 1
Timer counter 0, 1 can be cascade-connected.
Timer counter 2 : 8-bit × 1 (square-wave/8-bit PWM output, event count, synchronous output event)
Clock source ····················· 1/1, 1/4 of system clock frequency; 1/1 of XI oscillation clock frequency;
external clock input
Interrupt source ················ coincidence with compare register 2
Timer counter 3 : 8-bit × 1
(square-wave output, event count, generation of remote control carrier, serial 0 baud rate timer)
Clock source ····················· 1/4, 1/16 of system clock frequency; 1/1 of OSC oscillation clock frequency;
external clock input
Interrupt source ················ coincidence with compare register 3
Timer counter 2, 3 can be cascade-connected.
Timer counter 4 : 16-bit × 1
(square-wave/16-bit PWM output, event count, synchronous output event, input capture)
Clock source ····················· 1/4, 1/16 of system clock frequency; 1/1 of OSC oscillation clock frequency;
external clock input
Interrupt source ················ coincidence with compare register 4
Time base timer (one-minute count setting, independently operable 8-bit timer counter 5)
Clock source ····················· 1/4 of system clock frequency; 1/1, 1/8192 of OSC oscillation clock frequency;
1/1, 1/8192 of XI oscillation clock frequency
Interrupt source ················ coincidence with compare register 5; 1/8192 prescaler overflow
Watchdog timer
Interrupt source ················ 1/65536, 1/262144, 1/1048576 of system clock frequency (ROM option)
MAD00006EEM
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MN101C28A , MN101C28C , MN101C28D
MN101C28F , MN101C28L
Serial Interface
I/O Pins
I/O
Input
A/D Inputs
Special Ports
Electrical Characteristics
Supply current
Parameter
Operating supply current
Supply current at HALT
Supply current at STOP
Serial 0 : synchronous type/simple UART (half-duplex) × 1
Clock source ····················· 1/2, 1/4, 1/16 of system clock frequency; output of timer counter 3
Serial 1 : synchronous type × 1
Clock source ····················· 1/2, 1/8, 1/64 of system clock frequency; output of timer counter 3
Serial 2 : synchronous type/single-master I2C × 1
Clock source ····················· 1/4, 1/8, 1/16, 1/32 of system clock frequency; 1/4 of timer counter 0 frequency
57 • Common use • Specified pull-up resistor available • Input/output selectable (bit unit)
13 • Common use • Specified pull-up resistor available
10-Bit × 8-ch. (with S/H)
Buzzer output, remote control carrier signal output, high-current drive port
Symbol
IDD1
IDD2
IDD3
IDD4
Condition
fosc = 20 MHz, VDD = 5 V
fx = 32.768 kHz, VDD = 3 V
fx = 32.768 kHz, VDD = 3 V, Ta = 25°C
fx = 32.768 kHz, VDD = 3 V, Ta = 85°C
VDD = 5 V, Ta = 25°C
VDD = 5 V, Ta = 40°C to +85°C
Limit
Unit
min typ max
25 50 mA
40 120 µA
4 8 µA
20 µA
1 µA
30 µA
MAD00006EEM
See the next page for pin assignment and support tool.
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