ia186eb Innovasic Semiconductor Inc., ia186eb Datasheet - Page 57

• Manufacturer Part Number: ia186eb
• Description: 8-bit/16-bit Microcontrollers
• Manufacturer: Innovasic Semiconductor Inc.

IA186EB/IA188EB
8-Bit/16-Bit Microcontrollers
5.3
Serial Port Mode 0 timing characteristics are illustrated in Figure 19 and collected in Table 20.
Table 20. Serial Port Mode 0 Timing Characteristics
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
QVXH
QVXH
XHQX
XHQX
XHQZ
DVXH
XHDX
XLXH
XLXH
XHXL
XHXL
XLXL
Serial Port Mode 0 Timing Characteristics
txd Clock Period
txd Clock Low to Clock High (n > 1)
txd Clock Low to Clock High (n = 1)
txd Clock High to Clock Low (n > 1)
txd Clock High to Clock Low (n = 1)
rxd Output Data Setup to txd Clock High (n > 1)
rxd Output Data Setup to txd Clock High (n = 1)
rxd Output Data Hold after txd Clock High (n > 1)
rxd Output Data Hold after txd Clock High (n = 1)
rxd Output Data Float after Last txd Clock High
rxd Input Data Setup to txd Clock High
rxd Input Data Hold after txd Clock High
Figure 19. Serial Port Mode 0 Timing Characteristics
®
Parameter
UNCONTROLLED WHEN PRINTED OR COPIED
Page 57 of 82
IA211080314-02
(n – 1) t – 35
(n – 1) t – 35
Minimum
t (n +1)
2t – 35
2t – 35
t – 35
t – 35
t – 35
t – 35
t + 20
–
0
(n – 1) t + 35
Maximum
2t + 35
t + 35
t + 35
t + 20
–
–
–
–
–
–
–
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January 14, 2009
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