80C152JA Datasheet, PDF (15/17 Pages) Intel Corporation – UNIVERSAL COMMUNICATION CONTROLLER 8-BIT MICROCONTROLLER

GSC TRANSMIT TIMINGS (INTERNAL BAUD RATE GENERATOR)
8XC152JA JB JC JD
270431 – 16
GLOBAL SERIAL PORT TIMINGS External Clock
Symbol
Parameter
16 5 MHz
Min
Max
Variable Oscillator
Min
Max
1 ECBT
GSC Frequency with an
External Clock
24
0 009
F_OSC ^c 0 145
ECH
External Clock High
170
2TCLCL
a _{45 ns}
ECL⁽¹³⁾
External Clock Low
170
2TCLCL
a _{45 ns}
ECRT
External Clock Rise
20
20
Time⁽¹¹⁾
ECFT
External Clock Fall
20
20
Time⁽¹²⁾
ECDVT
External Clock to Data
Valid Out - Transmit
150
150
(to External Clock
Negative Edge)
ECDHT
External Clock Data
Hold - Transmit
0
0
(to External Clock
Negative Edge)
ECDSR
External Clock Data
45
45
Set-up - Receiver
(to External Clock
Positive Edge)
ECDHR
External Clock to Data
50
50
Hold - Receiver
(to External Clock
Positive Edge)
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
15