參數(shù)資料
型號(hào): DATASHEET
英文描述: ST10F168 - 16-BIT MCU - 8KB RAM - 256KB FLASH MEMORY - 111 I/O - 1 CAN 2.0B INTERFACE
中文描述: ST10F168 - 16位MCU - 8KB的內(nèi)存- 256KB的快閃記憶體- 111的I / O - 1 CAN 2.0B總線接口
文件頁數(shù): 71/74頁
文件大?。?/td> 897K
代理商: DATASHEET
ST10F168
71/74
20.5.13 - External Bus Arbitration
V
DD
= 5V
±
10%, V
SS
= 0V, for Q6 version : T
A
= -40, +85°C and for Q3 version T
A
= -40, +125°C, C
L
= 100pF,
unless otherwise specified.
Note:
1. Partially tested, guaranted by design characterization.
Notes: 1. The ST10F168 will complete the currently running bus cycle before granting bus access.
2. This is the first possibility for BREQ to become active.
3. The CS outputs will be resistive high (pullup) after t
64
.
Symbol
Parameter
Max. CPU Clock
25MHz
Variable CPU Clock
1/2 TCL = 1 to 25MHz
Unit
Minimum
Maximum
Minimum
Maximum
t
61
SR
HOLD input setup time to CLKOUT
20
20
ns
t
62
CC
CLKOUT to HLDA high or BREQ low delay
20
20
ns
t
63
CC
CLKOUT to HLDA low or BREQ high delay
20
20
ns
t
64
CC
CSx release
1
20
20
ns
t
65
CC
CSx drive
-4
24
-4
24
ns
t
66
CC
Other signals release
1
20
20
ns
t
67
CC
Other signals drive
-4
24
-4
24
ns
Figure 30 :
External bus arbitration, releasing the bus
t
61
t
63
t
66
1)
t
64
1)
2)
t
62
3)
CLKOUT
HOLD
HLDA
BREQ
Others
CSx
(P6.x)
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