M37281EKSP Datasheet, PDF (5/172 Pages) Renesas Technology Corp – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER with CLOSED CAPTION DECODER and ON-SCREEN DISPLAY CONTROLLER

M37281MAH–XXXSP,M37281MFH–XXXSP,M37281MKH–XXXSP, M37281EKSP
6. PERFORMANCE OVERVIEW
Table 6.1 Performance Overview
Parameter
Number of basic instructions
Instruction execution time
Clock frequency
Memory size
Input/Output
ports
ROM ^{M37281MAH-XXXSP}
M37281MFH-XXXSP
M37281MKH-XXXSP, M37281EKSP
RAM ^{M37281MAH-XXXSP,M37281MFH-XXXSP}
M37281MKH-XXXSP, M37281EKSP
OSD ROM (character font)
OSD ROM (color dot font)
OSD RAM (SPRITE)
OSD RAM (character)
P00–P02, P04–P07
I/O
P03
I/O
P10, P15–P17
I/O
P11–P14
I/O
P2
P30, P31
P40–P44
I/O
I/O
Input
P45, P46
Input
P52–P55
P63
P64
Output
Input
Input
P70–P72
Serial I/O
Multi-master I²C-BUS interface
A-D converter
PWM output circuit
Timers
ROM correction function
Subroutine nesting
Interrupt
Input
Clock generating circuit
Data slicer
Functions
71
0.5 µs (the minimum instruction execution time, at 8 MHz oscillation fre-
quency)
8 MHz (maximum)
40K bytes
60K bytes
80K bytes
1088 bytes (ROM correction memory included)
1536 bytes (ROM correction memory included)
20400 bytes
9672 bytes
120 bytes
1536 bytes
7-bit ✕ 1 (N-channel open-drain output structure, can be used as PWM
output pins)
1-bit ✕ 1 (CMOS input/output structure, can be used as PWM output pin)
4-bit ✕ 1 (CMOS input/output structure, can be used as OSD output pin,
INT input pin, serial input pin)
4-bit ✕ 1 (N-channel open-drain output structure, can be used as multi-
master I²C-BUS interface)
8-bit ✕ 1 (CMOS input/output structure, can be used as A-D input pins)
2-bit ✕ 1 (CMOS input/output structure, can be used as A-D input pins)
5-bit ✕ 1 (can be used as A-D input pins, INT input pins, external clock input
pins for timer)
2-bit ✕ 1 (N-channel open-drain output structure when serial I/O is used,
can be used as serial I/O pins)
4-bit ✕ 1 (CMOS output structure, can be used as OSD output pins)
1-bit ✕ 1 (can be used as sub-clock input pin, OSD clock input pin)
1-bit ✕ 1 (CMOS output structure when LC is oscillating, can be used as
sub-clock output pin, OSD clock output pin)
3-bit ✕ 1 (can be used as data slicer input/output, serial input pin)
8-bit ✕ 1
1 (2 systems)
8 channels (8-bit resolution)
8-bit ✕ 8
8-bit timer ✕ 6
2 vectors
128 levels (maximum)
<19 types>
INT external interrupt ✕ 3, Internal timer interrupt ✕ 6, Serial I/O interrupt ✕
1, OSD interrupt ✕ 1, Multi-master I²C-BUS interface interrupt ✕ 1,
Data slicer interrupt ✕ 1, f(XIN)/4096 interrupt ✕ 1, SPRITE OSD interrupt ✕
1, VSYNC interrupt ✕ 1, A-D conversion interrupt ✕ 1, BRK instruction inter-
rupt ✕ 1, Reset ✕ 1
2 built-in circuits (externally connected to a ceramic resonator or a quartz-
crystal oscillator)
Built in
Rev.1.01 2003.07.16 page 5 of 170