参数资料
型号: MC68CK338CPV14B1
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 14.4 MHz, MICROCONTROLLER, PQFP144
封装: PLASTIC, TQFP-144
文件页数: 33/133页
文件大小: 944K
代理商: MC68CK338CPV14B1
MOTOROLA
MC68CK338
128
MC68CK338TS/D
Figure 38 Background Debugging Mode Timing Diagram —
Serial Communication
NOTES:
1. All AC timing is shown with respect to 20% VDD and 70% VDD levels unless otherwise noted.
Table 72 Background Debugging Mode Timing
(V
DD
and V
DDSYN
= 2.7 to 3.6 Vdc, V
SS
= 0 Vdc, T
A
= T
L
to T
H)
1
Num
Characteristic
Symbol
Min
Max
Unit
B0
DSI Input Setup Time
tDSISU
19
ns
B1
DSI Input Hold Time
tDSIH
13
ns
B2
DSCLK Setup Time
tDSCSU
19
ns
B3
DSCLK Hold Time
tDSCH
13
ns
B4
DSO Delay Time
tDSOD
—35
ns
B5
DSCLK Cycle Time
tDSCCYC
2—
tcyc
B6
CLKOUT High to FREEZE Asserted/Negated
tFRZAN
—64
ns
B7
CLKOUT High to IFETCH High Impedance
tIFZ
—64
ns
B8
CLKOUT High to IFETCH Valid
tIF
—64
ns
B9
DSCLK Low Time
tDSCLO
1—
tcyc
68300 BKGD DBM SER COM TIM
B1
B3
B2
B0
B4
CLKOUT
FREEZE
BKPT/DSCLK
IFETCH/DSI
IPIPE/DSO
B5
B9
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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