W79E217A Datasheet, PDF (196/207 Pages) Winbond – 8-bit Microcontroller

Preliminary W79E217A Data Sheet
25.4 The ADC Converter DC ELECTRICAL CHARACTERISTICS
(V_DD−V_SS = 3.0~5V±10%, T_A = -40~85°C, Fosc = 20MHz, unless otherwise specified.)
PARAMETER
SYMBOL
MIN.
SPECIFICATION
TYP.
MAX.
Analog input
ADC clock
Conversion time
Differential non-linearity
AVin
ADCCLK
t_C
DNL
V_SS-0.2
200KHz
-1
-
52t_ADC1
-
V_DD+0.2
5MHz
+1
Integral non-linearity
INL
-2
-
+2
Offset error
Ofe
-1
-
+1
Gain error
Ge
-1
-
+1
Absolute voltage error
Ae
-3
-
+3
Notes:1. t_ADC: The period time of ADC input clock.
UNIT
V
Hz
us
LSB
LSB
LSB
%
LSB
25.5 I2C Bus Timing Characteristics
PARAMETER
SYMBOL
SCL clock frequency
f_SCL
bus free time between a STOP and START
condition
t_BUF
Hold time (repeated) START condition. After
this period, the first clock pulse is generated
t_Hd;STA
Low period of the SCL clock
HIGH period of the SCL clock
Set-up time for a repeated START condition
Data hold time
Data set-up time
Rise time of both SDA and SCL signals
Fall time of both SDA and SCL signals
Set-up time for STOP condition
Capacitive load for each bus line
t_LOW
t_HIGH
t_SU;STA
t_HD;DAT
t_SU;DAT
t_r
t_f
t_SU;STO
C_b
STANDARD MODE I2C
BUS
MIN.
MAX.
0
100
4.7
-
4.0
-
4.7
-
4.0
-
4.7
-
5.0
-
250
-
-
1000
-
300
4.0
-
-
400
UNIT
kHz
uS
uS
uS
uS
uS
uS
nS
nS
nS
uS
pF
- 196 -
Publication Release Date: December 14, 2007
Revision A3.0