M37905F8CFP Datasheet, PDF (27/35 Pages) Mitsubishi Electric Semiconductor – 16-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
M37905F8CFP, M37905F8CSP
16-BIT CMOS MICROCOMPUTER
A-D CONVERTER CHARACTERISTICS
(VCC = AVCC = 5 V ± 0.5 V, VSS = AVSS = 0 V, Ta = –20 to 85 °C, unless otherwise noted)
Symbol
—————
Parameter
Resolution
VREF = VCC
Test conditions
A-D converter
Comparator
————— Absolute accuracy
VREF = VCC
RLADDER
Ladder resistance
VREF = VCC
tCONV
Conversion time
f(fsys) ≤ 20 MHz
VREF
VIA
Reference voltage
Analog input voltage
Note: This is applied when A-D conversion freguency (φAD) = f1 (φ).
10-bit resolution mode
8-bit resolution mode
Comparater
10-bit resolution mode
8-bit resolution mode
Comparater
Limits
Min.
Typ.
5
5.9
2.45 (Note)
0.7 (Note)
2.7
0
Max.
Unit
10
Bits
1
256
VREF
V
±3
LSB
±2
LSB
± 40
mV
kΩ
µs
VCC
V
VREF
V
D-A CONVERTER CHARACTERISTICS
(VCC = 5 V, VSS = AVSS = 0 V, VREF = 5 V, Ta = –20 to 85 °C, unless otherwise noted)
Symbol
Parameter
Test conditions
——
——
tsu
RO
IVREF
Resolution
Absolute accuracy
Set time
Output resistance
Reference power source input current
(Note)
Note: The test conditions are as follows:
• One D-A converter is used.
• The D-A register value of the unused D-A converter is “0016.”
• The reference power source input current for the ladder resistance of the A-D converter is excluded.
Min.
2
Limits
Typ.
3.5
Max.
Unit
8
Bits
± 1.0
%
3
µs
4.5
kΩ
3.2
mA
RESET INPUT
Reset input timing requirements (VCC = 5 V ± 0.5 V, VSS = 0V, Ta = –20 to 85 °C, unless otherwise noted)
Symbol
Parameter
Limits
Min.
Typ.
Max.
Unit
tw(RESETL)
RESET input low-level pulse width
10
µs
RESET input
tw(RESETL)
26