65C datasheet(55/112 Pages) RENESAS

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R01DS0015EJ0100 Rev.1.00

Page 55 of 109

Feb 07, 2011

M16C/65C Group

5. Electrical Characteristics

Notes:

Use when AVCC = VCC1.

When VCC1 ≥ VCC2, set as below:

Analog input voltage (AN0 to AN7, ANEX0, and ANEX1)

≤ V

CC1

Analog input voltage (AN0_0 to AN0_7 and AN2_0 to AN2_7)

≤ V

CC2.

When analog input voltage is over reference voltage, the result of A/D conversion is 3FFh.

Flash memory rewrite disabled. Except for the analog input pin, set the pins to be measured as input ports and

connect them to VSS. See Figure 5.2 “A/D Accuracy Measure Circuit”.

5.1.4

D/A Conversion Characteristics

Notes:

This applies when using one D/A converter, with the D/A register for the unused D/A converter set to 00h.

The current consumption of the A/D converter is not included. Also, the IVREF of the D/A converter will flow even

if the ADSTBY bit in the ADCON1 register is 0 (A/D operation stopped (standby)).

Table 5.6

A/D Conversion Characteristics (2/2) (1)

VCC1 = AVCC = 3.0 to 5.5 V ≥ VCC2 ≥ VREF, VSS = AVSS = 0 V at Topr = -20°C to 85°C/-40°C to 85°C unless otherwise

specified.

Symbol

Parameter

Measuring Condition

Standard

Unit

Min.

Typ.

Max.

φAD

A/D operating clock

frequency

AN0 to AN7 input,

ANEX0 to ANEX1

input

4.0 V

≤ V

CC1 ≤ 5.5 V

MHz

3.2 V

≤ V

CC1 ≤ 4.0 V

MHz

3.0 V

≤ V

CC1 ≤ 3.2 V

MHz

AN0_0 to AN0_7

input, AN2_0 to

AN2_7 input

4.0 V

≤ V

CC2 ≤ 5.5 V

MHz

3.2 V

≤ V

CC2 ≤ 4.0 V

MHz

3.0 V

≤ V

CC2 ≤ 3.2 V

MHz

Tolerance level impedance

DNL

Differential non-linearity error

(4)

±1

LSB

Offset error

(4)

±3

LSB

Gain error

(4)

±3

LSB

tCONV

10-bit conversion time

VCC1 = 5 V, φAD = 25 MHz

1.60

μs

tSAMP

Sampling time

0.60

μs

VREF

Reference voltage

3.0

VCC1

VIA

Analog input voltage (2), (3)

0VREF

Table 5.7

D/A Conversion Characteristics

VCC1 = AVCC = VREF = 3.0 to 5.5 V, VSS = AVSS = 0 V at Topr = -20°C to 85°C/-40°C to 85°C unless otherwise specified.

Symbol

Parameter

Measuring Condition

Standard

Unit

Min.

Typ.

Max.

-Resolution

8Bits

Absolute Accuracy

2.5

LSB

tSU

Setup Time

μs

Output Resistance

8.2

IVREF

Reference Power Supply Input Current

See Notes 1 and 2

1.5

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