M32C80 Datasheet, PDF (316/352 Pages) Renesas Technology Corp – 16/32-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M32C/80 SERIES

M32C/80 Group
23. Electrical Characteristics
VCC1=VCC2=3.3V
Table 23.22 A/D Conversion Characteristics (VCC1=VCC2=AVCC=VREF= 3.0 to 3.6V, VSS=AVSS=0V
at Topr = –20 to 85^oC, f(BCLK) = 24MHZ unless otherwise specified)
Symbol
Parameter
Measurement Condition
- Resolution
INL
Integral Nonlinearity Error
DNL
Differential Nonlinearity Error
- Offset Error
- Gain Error
RLADDER Resistor Ladder
tCONV
8-bit Conversion Time^{(1, 2)}
VREF
Reference Voltage
VIA
Analog Input Voltage
No S&H (8-bit)
No S&H (8-bit)
No S&H (8-bit)
No S&H (8-bit)
VREF=VCC1
VCC1=VCC2=VREF=3.3V
VREF=VCC1
NOTES:
1. Divide f(XIN), if exceeding 10 MHz, to keep φAD frequency at 10 MHz or less.
2. S&H not available.
Standard
Unit
Min. Typ. Max.
10 Bits
±2 LSB
±1 LSB
±2 LSB
±2 LSB
8.0
40 kΩ
6.1
µs
3.3
VCC1 V
0
VREF V
S&H: Sample and Hold
Table 23.23 D/A Conversion Characteristics (VCC1=VCC2=VREF=3.0 to 3.6V, VSS=AVSS=0V
at Topr = –20 to 85^oC, f(BCLK) = 24MHZ unless otherwise specified)
Symbol
Parameter
Measurement Condition
Standard
Unit
Min. Typ. Max.
-
Resolution
8 Bits
-
Absolute Accuracy
1.0 %
tSU
Setup Time
3 µs
RO
Output Resistance
4 10 20 kΩ
IVREF
Reference Power Supply Input Current
(Note 1)
1.0 mA
NOTE:
1. Measurement results when using one D/A converter. The DAi register (i=0, 1) of the D/A converter, not being
used, is set to "0016". The resistor ladder in the A/D converter is excluded.
IVREF flows even if the VCUT bit in the AD0CON1 register is set to "0" (no VREF connection).
Rev. 1.00 Nov. 01, 2005 ^{Page 297} of 330
REJ09B0271-0100