REV. 1.0.2 SEE”POWER-SAVE FEATURE” ON PAGE 21. To achieve minimum power drai" />
參數(shù)資料
型號: XR16M770IL32-0B-EB
廠商: Exar Corporation
文件頁數(shù): 39/52頁
文件大?。?/td> 0K
描述: EVAL BOARD FOR XR16M770-B 32QFN
標(biāo)準(zhǔn)包裝: 1
系列: *
XR16M770
44
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 64-BYTE FIFO
REV. 1.0.2
To achieve minimum power drain, the voltage at any of the inputs of the
M770 should NOT be lower than its VCC supply.
AC ELECTRICAL CHARACTERISTICS
TA = -40O TO +85OC, VCC IS 1.62 TO 3.6V, 70 PF LOAD WHERE APPLICABLE
SYMBOL
PARAMETER
LIMITS
1.8V ± 10%
MIN
MAX
LIMITS
2.5V ± 10%
MIN
MAX
LIMITS
3.3V ± 10%
MIN
MAX
UNIT
XTAL1
UART Crystal Frequency
24
MHz
ECLK
External Clock Frequency
30
50
64
MHz
TECLK
External Clock Time Period
15
9
7
ns
TAS
Address Setup Time
0
ns
TAH
Address Hold Time
0
ns
TCS
Chip Select Width
90
60
35
ns
TRD
IOR# Strobe Width
90
60
35
ns
TDY
Read Cycle Delay
90
60
35
ns
TRDV
Data Access Time
85
55
30
ns
TDD
Data Disable Time
25
10
5
ns
TWR
IOW# Strobe Width
90
60
35
ns
TDY
Write Cycle Delay
90
60
35
ns
TDS
Data Setup Time
30
15
10
ns
TDH
Data Hold Time
3
ns
TWDO
Delay From IOW# To Output
50
ns
TMOD
Delay To Set Interrupt From MODEM
Input
50
ns
TRSI
Delay To Reset Interrupt From IOR#
50
ns
TSSI
Delay From Stop To Set Interrupt
1
Bclk
TRRI
Delay From IOR# To Reset Interrupt
45
ns
TSI
Delay From Start To Interrupt
45
ns
TINT
Delay From Initial INT Reset To
Transmit Start
8
24
8
24
8
24
Bclk
TWRI
Delay From IOW# To Reset Interrupt
45
ns
TSSR
Delay From Stop To Set RXRDY#
1
Bclk
TRR
Delay From IOR# To Reset RXRDY#
45
ns
TWT
Delay From IOW# To Set TXRDY#
45
ns
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