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)
Limits
Typ.
Symbol
Parameter
Resolution
Test conditions
A-D converter
Unit
Bits
Min.
Max.
10
—————
VREF = VCC
Comparator
1
256
V
VREF
± 3
± 2
LSB
LSB
mV
kΩ
10-bit resolution mode
8-bit resolution mode
Comparater
—————
RLADDER
tCONV
Absolute accuracy
Ladder resistance
Conversion time
VREF = VCC
± 40
VREF = VCC
5
5.9
10-bit resolution mode
8-bit resolution mode
Comparater
µs
f(fsys) ≤ 20 MHz
2.45 (Note)
0.7 (Note)
2.7
VREF
VIA
Reference voltage
VCC
V
V
Analog input voltage
VREF
0
Note: This is applied when A-D conversion freguency (φAD) = f1 (φ).
D-A CONVERTER CHARACTERISTICS
(VCC = 5 V, VSS = AVSS = 0 V, VREF = 5 V, Ta = –20 to 85 °C, unless otherwise noted)
Limits
Typ.
Test conditions
Symbol
——
Parameter
Unit
Min.
2
Max.
8
Resolution
Bits
%
——
tsu
Absolute accuracy
Set time
± 1.0
3
µs
RO
Output resistance
4.5
3.2
kΩ
mA
3.5
IVREF
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.
RESET INPUT
Reset input timing requirements (VCC = 5 V ± 0.5 V, VSS = 0V, Ta = –20 to 85 °C, unless otherwise noted)
Limits
Symbol
Parameter
RESET input low-level pulse width
Unit
Typ.
Max.
Min.
10
µs
tw(RESETL)
RESET input
tw(RESETL)
26
RENESAS [ RENESAS TECHNOLOGY CORP ]
