M37221M4H_15 Datasheet, PDF (8/114 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

M37221M4H/M6H/M8H/MAH–XXXSP/FP M37221EASP/FP
6. PERFORMANCE OVERVIEW
Table 6.1 Performance Overview
Parameter
Number of basic instructions
Number of basic instructions
Instruction execution time
Memory size
ROM M37221M4H-XXXSP/FP
M37221M6H-XXXSP/FP
M37221M8H-XXXSP/FP
M37221MAH-XXXSP/FP,
M37221EASP/FP
RAM M37221M4H-XXXSP/FP
M37221M6H-XXXSP/FP
M37221M8H-XXXSP/FP
M37221MAH-XXXSP/FP,
M37221EASP/FP
OSD ROM
OSD RAM
tInput/Output ports P0
I/O
P10, P15–P17
I/O
P11–P14
I/O
P20, P21
I/O
P22–P27
I/O
P30, P31
I/O
P32
I/O
P33, P34
Input
P52–P55
Output
Serial I/O
Multi-master I²C-BUS interface
A-D comparator
D-A converter
PWM output circuit
Timers
ROM correction function
Subroutine nesting M37221M4H/M6H-XXXSP/FP
M37221M8H/MAH-XXXSP/FP,
M37221EASP/FP
Interrupt
Clock generating circuit
Functions
71
0.5 µs (the minimum instruction execution time, at 8 MHz oscillation fre
quency)
8 MHz (maximum)
16K bytes
24K bytes
32K bytes
40K bytes
384 bytes (ROM correction memory included)
448 bytes (ROM correction memory included)
576 bytes (ROM correction memory included)
704 bytes (ROM correction memory included)
8 K bytes
96 bytes
8-bit 5 1 (N-channel open-drain output structure, can be used as PWM
output pins, INT input pins, A-D input pin)
4-bit ✕ 1 (CMOS input/output structure, can be used as OSD output pin,
A-D input pins, INT input pin)
4-bit ✕ 1 (CMOS input/output structure, can be used as multi-master I²C-
BUS interface)
2-bit ✕ 1 (CMOS input/output or N-channel open-drain output structure,
can be used as serial I/O pins)
6-bit ✕ 1 (CMOS input/output structure, can be used as serial input pin,
timer external clock input pins)
2-bit ✕ 1 (CMOS input/output or N-channel open-drain output structure, can
be used as A-D input pins, D-A conversion output pins <Only M37221EASP/FP>)
1-bit ✕ 1 (N-channel open-drain output structure)
2-bit ✕ 1 (can be used as OSD display clock I/O pins)
4-bit ✕ 1 (CMOS output structure, can be used as OSD output pins)
8-bit ✕ 1
1 (2 systems)
6 channels (6-bit resolution)
2 (6-bit resolution) (Only M37221EASP/FP)
14-bit ✕ 1, 8-bit ✕ 6
8-bit timer ✕ 4
2 vectors
96 levels (maximum)
128 levels (maximum)
<14 sources>
INT external interrupt ✕ 3, Internal timer interrupt ✕ 4, Serial I/O interrupt ✕ 1,
OSD interrupt ✕ 1, Multi-master I²C-BUS interface interrupt ✕ 1, f(XIN)/4096
interrupt ✕ 1, VSYNC interrupt ✕ 1, BRK interrupt ✕ 1, Reset ✕ 1
2 built-in circuits (externally connected a ceramic resonator or a quartz-
crystal oscillator)
Rev.1.00 Oct 01, 2002 page 6 of 110
REJ03B0134-0100Z