參數(shù)資料
型號: MC916X1CTH16B1
廠商: FREESCALE SEMICONDUCTOR INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 16.78 MHz, MICROCONTROLLER, PQFP120
封裝: QFP-120
文件頁數(shù): 66/172頁
文件大小: 1200K
代理商: MC916X1CTH16B1
MOTOROLA
MC68HC916X1
158
MC68HC916X1TS/D
Figure 37 Background Debugging Mode Timing Diagram —
Freeze Assertion
1. All AC timing is shown with respect to 20% VDD and 70% VDD levels unless otherwise noted.
2. When previous bus cycle is not an ECLK cycle, the address may be valid before ECLK goes low.
3. Address access time = tEcyc – tEAD – tEDSR.
4. Chip-select access time = tEcyc – tECSD – tEDSR.
Table 80 ECLK Bus Timing
(V
DD
and V
DDSYN
= 5.0 Vdc
±10%, V
SS
= 0 Vdc, T
A
= T
L
to T
H)
1
Num
Characteristic
Symbol
Min
Max
Unit
E1
ECLK Low to Address Valid2
tEAD
—60
ns
E2
ECLK Low to Address Hold
tEAH
15
ns
E3
ECLK Low to CS Valid (CS Delay)
tECSD
150
ns
E4
ECLK Low to CS Hold
tECSH
15
ns
E5
CS Negated Width
tECSN
30
ns
E6
Read Data Setup Time
tEDSR
30
ns
E7
Read Data Hold Time
tEDHR
5—
ns
E8
ECLK Low to Data High Impedance
tEDHZ
—60
ns
E9
CS Negated to Data Hold (Read)
tECDH
0—
ns
E10
CS Negated to Data High Impedance
tECDZ
—1
tcyc
E11
ECLK Low to Data Valid (Write)
tEDDW
—2
tcyc
E12
ECLK Low to Data Hold (Write)
tEDHW
15
ns
E13
CS Negated to Data Hold (Write)
tECHW
0—
ns
E14
Address Access Time (Read)3
tEACC
386
ns
E15
Chip-Select Access Time (Read)4
tEACS
296
ns
E16
Address Setup Time
tEAS
1/2
tcyc
16 BDM FRZ TIM
B8
CLKOUT
FREEZE
IPIPE1/DSI
B6
B7
B11
B6
B10
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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