How to Use This Manual
This user's manual is written for the M16C/62 group.
The reader of this manual is expected to have the basic knowledge of electric and logic
circuits and microcomputers.
This manual explains a function of the following kind.
• M30620M8-XXXFP/GP
• M30620MA-XXXFP/GP
• M30620MC-XXXFP/GP
• M30620EC-XXXFP/GP
• M30620ECFS
• M30620SFP/GP
• M30622M4-XXXFP/GP
• M30622M8-XXXFP/GP
• M30622MA-XXXFP/GP
• M30622MC-XXXFP/GP
• M30622SFP/GP
• M30624MG-XXXFP/GP
• M30624FGFP/GP
• M30624FGLFP/GP
These products have similar features except for the memories, which differ from one product to
another. This manual gives descriptions of M30622MC-XXXFP. An electric characteristic refer
to data sheet responded to. Memories built-in are as shown below. Be careful when writing a
program, as the memories have different capacities.
ROM Size
(Byte)
External
ROM
256K
128K
96K
64K
32K
M30624MG-XXXFP/GP
M30620MC-XXXFP/GP
M30622MC-XXXFP/GP M30620ECFP/GP
M30620MA-XXXFP/GP
M30622MA-XXXFP/GP
M30620M8-XXXFP/GP
M30622M8-XXXFP/GP
M30622M4-XXXFP/GP
Mask ROM version
One-time PROM version
EPROM version
Flash memory version
External ROM version
M30620ECFS
M30624FGFP/GP
M30624FGLFP/GP
M30620SFP/GP
M30622SFP/GP
The figure of each register configuration describes its functions, contents at reset, and attributes
as follows :
• Bit attribute
R.....Read
O.....Possible to read
X.....Impossible to read
Timer Ai mode register
b7
b6
b5
b4
b3
b2
b1
b0
W.....Write
O.....Possible to write
X.....Impossible to write
Bit attribute
Symbol
TAiMR(i=0 to 4)
Address
When reset
00
16
0396
16
to 039A
16
Bit symbol
TMOD0
Bit name
Operation mode select bit
b1 b0
Function
0 0 : Timer mode
0 1 : Event counter mode
1 0 : One-shot timer mode
1 1 : Pulse width modulation
(PWM) mode
RW
TMOD1
MR0
MR1
MR2
MR3
TCK0
TCK1
Function varies with each operation mode
Count source select bit
(Function varies with each operation mode)
RENESAS [ RENESAS TECHNOLOGY CORP ]
