245
Mitsubishi microcomputers
M16C / 62N Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Differences between M16C/62N and M16C/62M
Differences between M16C/62N and M16C/62M(Note)
Item
M16C/62M
M16C/62N
Clock Generating
Circuit
A-D converter
Serial I/O
(IIC bus mode)
Memory area
1 Mbytes fixed
Main clock division rate when main
clock is stopped: Does not change
Analog or digital delay is selected as
SDA delay
10 bits X 8 channels
Expandable up to 10 channels
10 bits X 8 channels
Expandable up to 18 channels
Memory area expansion
(4 Mbytes)
Main clock division rate when main
clock is stopped: Division by 8 mode
Only digital delay is selected as SDA
delay
Watchdog timer
Watchdog timer interrupt
Watchdog timer interrupt or reset is
selected
62.5ns (f(XIN)=16MHZ, VCC=3.0V to 3.6V)
142.9ns (f(XIN)=7MHZ, VCC=2.4V to 3.6V
without software wait)
Shortest instruction
execution time
100ns (f(XIN)=10MHZ, VCC=2.7V to 3.6V)
142.9ns (f(XIN)=7MHZ, VCC=2.2V to 3.6V
with software one-wait)
3.0V to 3.6V (f(XIN)=16MHZ, without
software wait)
2.4V to 3.0V (f(XIN)=7MHZ, without
software wait)
2.2V to 3.0V (f(XIN)=7MHZ, with software
one-wait) :mask ROM version
Supply voltage
2.7V to 3.6V (f(XIN)=10MHZ, without
software wait)
2.4V to 2.7V (f(XIN)=7MHZ, without
software wait)
2.2V to 2.4V (f(XIN)=7MHZ with
software one-wait)
34.0mW (VCC = 3V, f(XIN)=10MHZ,
without software wait)
66.0mW (VCC = 3.3V, f(XIN)=16MHZ,
without software wait)
Low power
consumption
28.5mW (VCC = 3V, f(XIN)=10MHZ,
without software wait)
Note: About the details and the electric characteristics, refer to data sheet.
Address
M16C/62M
000516
Register name
b5,b4
Reserved bits
b2
Nothing is assigned
Processor mode register 1 (PM1)
000B16
Reserved register
Data bank register (DBR)
037716
b7 SDA digital delay select bit
("0" when reset)
UART2 special mode register
(U2SMR)
03B416
Reserved register
Flash identification register
(FIDR)
03B716
b7
Nothing is assigned
b6
Nothing is assigned
M16C/62N
b5,b4
Memory area
expansion bits
b2
Watchdog timer function
select bit
Have
b7 SDA digital delay select bit
("1" when reset)
Have
b7
Erase status flag
b6
Program status flag
Flash memory control register 0
(FMR0)
Differences in SFR between M16C/62N and M16C/62M
03B616
Have
Flash memory control register 1
(FMR1)
Reserved register
03D416
b2,b1 Reserved bits
b0
Reserved bit
A-D control register 2
(ADCON2)
b2, b1 Analog input group
select bit
b0
A-D conversion method
select bit
Differences between M16C/62N and M16C/62M