em78p809n ELAN Microelectronics Corp, em78p809n Datasheet - Page 71

• Manufacturer Part Number: em78p809n
• Description: 8-bit Microcontroller
• Manufacturer: ELAN Microelectronics Corp

(Ta=- 40 ° C ~ 85 ° C, VDD=5V ± 5%, VSS=0V)
* N= selected prescaler ratio
Product Specification (V1.0) 07.26.2005
(This specification is subject to change without further notice)
Symbol
Tsetup2 Slave mode setup
Tdelay1 Slave mode unselect
Tvalid1 SDO output valid time SCK ↑ or SCK ↓ to SDO data output
Tdelay
Tstup1
Thold1
Tsckh
Thold
Tsckl
Twdt
Tdrh
Dclk
Tins
Ttcc
Tset
Trst
6.2 AC Electrical Characteristic
Input CLK duty cycle
Instruction cycle time
(CLKS="0")
TCC input period
Device reset hold
time
/RESET pulse width
Watchdog timer
period
Input pin setup time
Input pin hold time
Output pin delay time Cload=20pF
SDI data setup time
SDI data hold time
SCK input high time
SCK input low time
time
delay time
Parameter
Crystal type (high frequency)
RC type
Ta = 25 ° C
Ta = 25 ° C
Ta = 25 ° C
Setup time of SDI data input to SCK ↑ or SCK ↓
Hold time of SDI data input to SCK ↓ or SCK ↑
Slave mode (Fmain=8 MHz)
Slave mode (Fmain=8 MHz)
/SS ↓ to SCK ↑ or SCK ↓ (Fmain=8 MHz)
/SS ↑ to SDO output hi-impedance delay time
Conditions
(Tins+20)/
2000
11.3
11.3
Min
200
500
200
200
400
45
N*
8-Bit Microcontroller
-
-
-
-
16.2 21.6
16.2 21.6
Typ Max Unit
EM78P809N
50
20
50
25
25
25
25
0
-
-
-
DC
DC
55
50
50
50
50
-
-
-
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
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