Table 4.5.1 Difference Between M37220M3-Xxxsp/Fp And M37221M6-Xxxsp/Fp - Renesas 7200 Series User Manual

4.5 Functional description
Functions of M37220M3-XXXSP/FP are partially different from those of M37221M6-XXXSP/FP. Table 4.5.1
shows the difference between M37220M3-XXXSP/FP and M37221M6-XXXSP/FP.

Table 4.5.1 Difference between M37220M3-XXXSP/FP and M37221M6-XXXSP/FP

Paramater
Programmable I/O ports
Port P0
Port P1
Port P2
Port P3
Port P5
Interrupts
D-A converter
Multi-master I 2 C-BUS interface
CRT display function
Number of display characters
Kinds of characters
Kinds of character back
ground colors
M37220M3-XXXSP/FP
M37220M3-XXXSP/FP
33
8 bits
8 bits
(Functions except port are
partially different.)
8 bits
8 bits
(Functions except port are
partically different.)
4 bits
2
No multi-master I C-BUS
interface interrupt
(Priority level is the same as
M37221M6-XXXSP/FP.)
Included
2 (6-bit resolution)
20 characters 2 lines
128 kinds
Not available
7220 Group User's Manual
4.5 Functional description
M37221M6-XXXSP/FP
33
8 bits
8 bits
8 bits
8 bits
4 bits
There is multi-master I
interface interrupt
Included
1 (2 systems)
24characters 2 lines
256 kinds
Possible
(It can be specified by the character.)
Maximum 7 kinds
2 C-BUS
4-9