32C87 RENESAS [Renesas Technology Corp], 32C87 Datasheet - Page 72
32C87
Manufacturer Part Number
32C87
Description
RENESAS MCU
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.32C87.pdf
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M32C/87 Group (M32C/87, M32C/87A, M32C/87B)
REJ03B0127-0151 Rev.1.51 Jul 31, 2008
Page 72 of 85
Table 5.34
NOTES:
Table 5.35
NOTE:
−
INL
DNL
−
−
RLADDER Resistor ladder
tCONV
VREF
VIA
−
−
tsu
RO
IVREF
Symbol
Symbol
1. The value when φAD frequency is at 10 MHz. Keep φAD frequency at 10 MHz or lower.
2. Sample and hold function is not available.
1. Measurement when one D/A converter is used, and the DAi register (i = 0, 1) of the unused D/A converter is set
If f(CPU) (=fAD) is 24 MHz, divide f(CPU) by 3 to make it 8 MHz. The conversion time in this case is 6.1 μs.
to 00h. The current flown into the resistor ladder in the A/D converter is excluded. IVREF flows even if VCUT
bit in the AD0CON1 register is set to 0 (VREF not connected)
Resolution
Integral nonlinearity error (8-bit)
Differential nonlinearity error (8-bit)
Offset error (8-bit)
Gain error (8-bit)
8-bit conversion time
Reference voltage
Analog input voltage
Resolution
Absolute accuracy
Setup time
Output resistance
Reference power supply
input current
f(CPU) = 24MHz unless otherwise specified)
(VCC1 = VCC2 = VREF = 3.0 to 3.6 V, VSS = AVSS = 0 V, Topr = -20 to 85°C,
A/D Conversion Characteristics
(VCC1 = VCC2 = AVCC = VREF = 3.0 to 3.6 V, VSS = AVSS = 0 V, Topr = -20 to 85°C,
f(CPU) = 24MHz unless otherwise specified)
D/A Conversion Characteristics
Parameter
Parameter
(1)(2)
Measurement Condition
VREF = VCC1
VREF = VCC1 = VCC2 = 3.3 V
VREF = VCC1
Measurement Condition
(note 1)
VCC1 = VCC2 = 3.3 V
Min.
Min.
4.9
5. Electrical Characteristics
8
3
0
4
Standard
Standard
Typ.
Typ.
10
VCC1
VREF
Max.
Max.
1.0
1.0
10
±2
±1
±2
±2
40
20
8
3
LSB
LSB
LSB
LSB
Unit
Unit
Bits
Bits
mA
kΩ
kΩ
μs
μs
%
V
V
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