ata6616 ATMEL Corporation, ata6616 Datasheet - Page 270

• Manufacturer Part Number: ata6616
• Description: Microcontroller With Lin Transceiver, 5v Regulator And Watchdog
• Manufacturer: ATMEL Corporation

4.23.4.3
4.23.5
270
ATA6616/ATA6617 [Preliminary]
RESET Characteristics
External Clock Drive
Table 4-81.
Table 4-82.
Table 4-83.
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from one clock cycle to
the next
Parameter
Minimum pulse width on
RESET Pin
Bandgap reference voltage
Bandgap reference start-up
time
Bandgap reference current
consumption
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
VCC Max. start voltage to ensure internal Power-on
Reset signal
VCC Min. start voltage to ensure internal Power-on
Reset signal
VCC Rise Rate to ensure Power-on Reset
Note:
RESET Pin Threshold Voltage
RESET Pin Threshold Voltage
1. Before rising, the supply has to be between VPORMIN and VPORMAX to ensure a Reset.
External Clock Drive
External Reset Characteristics
Power On Reset Characteristics
V
V
V
Condition
T
T
T
V
V
CC
CC
CC
A
A
A
CC
CC
= 25°C
= 25°C
= 25°C
= 2.7V,
= 2.7V,
= 2.7V,
= 5V
= 5V
(1)
Symbol
1/t
t
t
t
t
t
CHCX
CLCX
CLCH
CHCL
CLCL
t
CLCL
CLCL
DRAFT
V
Symbol
V
Symbol
V
V
V
PORMAX
V
t
V
PORMIN
Vcc = 2.7 - 5.5V
t
I
RST
Min.
CCRR
RST
BG
BG
125
BG
POT
RST
50
50
0
0.1 Vcc
0.1 Vcc
Max.
Min
1.6
1.6
1.0
–0.1
0.01
Min
8
2
Vcc = 4.5 - 5.5V
Typ
Min.
1.1
62.5
40
15
Typ
25
25
1.0
0.9
0
0.9 Vcc
0.9 Vcc
Max
Max.
2.5
1.2
70
Max
0.5
0.5
9132A–AUTO–10/08
16
1.4
1.3
0.4
2
MHz
Unit
Unit
V/ms
ms
ms
Unit
µA
ns
ns
ns
µs
µs
%
V
V
V
V
V
V
V