M16C1N Datasheet, PDF (181/238 Pages) Renesas Technology Corp – RENESAS 16-BIT SINGLE-CHIP MICROCOMPUTER M16C FAMILY / M16C/10 SERIES

M16C/1N Group
18. Electrical Characteristics
Table 18.7 A/D conversion characteristics
(Unless otherwise noted: VCC = VREF = 5V, VSS = 0V at Topr = 25^oC, f(XIN) = 16MHz)
Symbol
Parameter
Measuring condition
Standard
Min. Typ. Max. ^Unit
Resolution
VREF =VCC
Absolute Sample & hold function not available VREF =VCC = 5V
accuracy _{Sample & hold function available(10bit) VREF =VCC = 5V} AN0 to AN11 input
ANEX0, ANEX1 input,
external op-amp
connected mode
10 Bits
±3 LSB
±3 LSB
±7 _LSB
Sample & hold function available(8bit) VREF =VCC = 5V
±2 LSB
RLADDER Ladder resistance
VREF =VCC
10
40 k
tCONV
Conversion time(10bit)
f(XIN)=10MHz, ØAD=fAD=10MHz 3.3
µs
tCONV
tSAMP
VREF
Conversion time(8bit)
Sampling time
Reference voltage
f(XIN)=10MHz, ØAD=fAD=10MHz 2.8
f(XIN)=10MHz, ØAD=fAD=10MHz 0.3
f(XIN)=10MHz, ØAD=fAD=10MHz 2
µs
µs
VCC V
VIA
Analog input voltage
f(XIN)=10MHz, ØAD=fAD=10MHz 0
VREF V
Note 1: Divide the fAD if f(XIN) exceeds 10MHz, and make AD operation clock frequency (ØAD) equal to or
lower than 10MHz.
Table 18.8 D/A conversion characteristics
(Unless otherwise noted: VCC = VREF = 5V, VSS = 0V at Topr = 25^oC, f(XIN) = 16MHz)
Symbol
Parameter
Resolution
Absolute accuracy
tsu
Setup time
RO
Output resistance
IVREF
Reference power supply input current
Measuring condition
(Note 1)
Standard
Min. Typ. Max. ^Unit
8 Bits
1.0 %
3 µs
4
10 20 k
1.5 mA
Note 1: The A/D converter's ladder resistance is not included.
When D/A register contents are not "0016", the current IVREF always flows even though VREF may
have been set to be unconnected by the A/D control register.
Rev.1.00 Oct 20, 2004 page 169 of 222
REJ09B0007-0100Z