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Figure 130, Figure 130) – Rainbow Electronics AT89C5132 User Manual

Page 152

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152

AT8xC5132

4173A–8051–08/02

Figure 130. Analog-to-Digital Converter Characteristics

Flash Memory

Definition of Symbols

Table 143. Flash Memory Timing Symbol Definitions

Timings

Table 144. Flash Memory AC Timing

V

DD

= 2.7 to 3.3V, T

A

= -40

°

to +85

°

C

1

2

3

4

5

6

7

1018 1019 1020 1021 1022 1023 1024

1

2

3

4

5

6

7

1018

1019

1020

1021

1022

1023

Offset

Error

Code Out

AVIN (LSBideal)

OSe

Offset

Error

OSe

Gain

Error

Ge

Ideal Transfer Curve

1 LSB

(Ideal)

Integral Non-linearity (ILe)

Differential Non-linearity (DLe)

Center of a Step

Example of an Actual Transfer Curve

0
0

Signals

Conditions

S

ISP#

L

Low

R

RST

V

Valid

B

FBUSY flag

X

No Longer Valid

Symbol

Parameter

Min

Typ

Max

Unit

T

SVRL

Input ISP Valid to RST Edge

50

ns

T

RLSX

Input ISP Hold after RST Edge

50

ns

T

BHBL

Flash Internal Busy (Programming) Time

10

ms