參數(shù)資料
型號(hào)： M37212M8-XXXSP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
中文描述： 單芯片8位CMOS微機(jī)電壓合成
文件頁(yè)數(shù)： 6/119頁(yè)
文件大?。?/td> 1308K
代理商： M37212M8-XXXSP
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6
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER
with ON-SCREEN DISPLAY CONTROLLER
M37212M4/M8–XXXSP, M37212M6–XXXSP/FP
M37212EFSP/FP
MITSUBISHI MICROCOMPUTERS
Rev. 1.0
6. PERFORMANCE OVERVIEW
Table 6.1 Performance Overview
Parameter
Functions
Number of basic instructions
Number of basic instructions
71
0.5
μ
s (the minimum instruction execution time, at 8 MHz oscillation fre
quency)
8 MHz (maximum)
16K bytes
M37212M6-XXXSP/FP
24K bytes
M37212M8-XXXSP
32K bytes
M37212EFSP/FP
62K bytes
M37212M4-XXXSP
320 bytes
M37212M6-XXXSP/FP
384 bytes
M37212M8-XXXSP
576 bytes (ROM correction memory included)
M37212EFSP/FP
1280 bytes (ROM correction memory included)
OSD ROM
8 K bytes
OSD RAM
96 bytes
P0
I/O
8-bit
1 (N-channel open-drain output structure, can be used as PWM
output pins)
P1
0
–P1
4
I/O
5-bit
1 (CMOS input/output output structure, however, N-channel open-
drain output structure, when P1
1
–P1
4
are used as multi-master I
2
C-BUS
interface, can be used as OSD output, A-D input, multi-master I
2
C-BUS
interface)
P1
5
–P1
7
Input
3-bit
1 (can be used as INT input pin, A-D input pins)
P2
0
–P2
7
I/O
8-bit
1 (CMOS input/output structure)
P3
0
, P3
1
I/O
2-bit
1 (CMOS input/output structure)
P3
2
–P3
7
Input
6-bit
1 (can be used as external clock input pins, INT input pins, OSD
display clock I/O pins, A-D input pins)
P4
0
, P4
1
I/O
2-bit
1 (N-channel open-drain output structure, can be used as serial I/O
pins, A-D input pins)
P4
2
Input
1-bit
1(can be used as serial input pin, A-D input pin)
P5
2
–P5
5
Output
4-bit
1 (CMOS output structure, can be used as OSD output pins)
P6
0
–P6
3
Output
4-bit
1 (N-channel open-drain output structure, can be used as PWM
output pins)
8-bit
1
1 (2 systems)
8 channels (6-bit resolution)
14-bit
1, 8-bit
8
8-bit timer
4
96 levels (maximum)
<14 sources>
INT external interrupt
3, Internal timer interrupt
4, Serial I/O interrupt
1,
OSD interrupt
1, Multi-master I
2
C-BUS interface interrupt
1, f(X
IN
)/
4096
interrupt
1, V
SYNC
interrupt
1, BRK interrupt
1, Reset
1
2 built-in circuits (externally connected a ceramic resonator or a quartz-
crystal oscillator)
Instruction execution time
Memory size
ROM M37212M4-XXXSP
RAM
Input/Output ports
Serial I/O
Multi-master I
2
C-BUS interface
A-D comparator
PWM output circuit
Timers
Subroutine nesting
Interrupt
Clock generating circuit
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