CY8C38_11 CYPRESS [Cypress Semiconductor], CY8C38_11 Datasheet - Page 111

• Manufacturer Part Number: CY8C38_11
• Manufacturer: CYPRESS [Cypress Semiconductor]

11.5.5 SWD Interface
Table 11-76. SWD Interface AC Specifications
11.5.6 SWV Interface
Table 11-77. SWV Interface AC Specifications
Document Number: 001-11729 Rev. *R
f_SWDCK
T_SWDI_setup SWDIO input setup before SWDCK high T = 1/f_SWDCK max
T_SWDI_hold
T_SWDO_valid SWDCK high to SWDIO output
T_SWDO_hold SWDIO output hold after SWDCK low
Notes
51. Based on device characterization (Not production tested).
52. f_SWDCK must also be no more than 1/3 CPU clock frequency.
Parameter
Parameter
(PSoC 3 reading on SWDIO)
(PSoC 3 writing to SWDIO)
SWDCLK frequency
SWV mode SWV bit rate
SWDIO input hold after SWDCK high
SWDCK
SWDIO
SWDIO
Description
Description
T_SWDI_setup
Figure 11-72. SWD Interface Timing
[51]
[51]
T_SWDI_hold
3.3 V ≤ V
1.71 V ≤ V
1.71 V ≤ V
SWD over USBIO pins
T = 1/f_SWDCK max
T = 1/f_SWDCK max
T = 1/f_SWDCK max
DDD
DDD
DDD
Conditions
Conditions
≤ 5 V
< 3.3 V
< 3.3 V,
T_SWDO_valid
(1/f_SWDCK)
PSoC
Min
Min
T/4
T/4
T/4
–
®
–
–
–
T_SWDO_hold
–
3: CY8C38 Family
Typ
Typ
–
–
–
–
–
–
–
–
Data Sheet
5.5
14
2T/5
Max
7
Page 111 of 129
Max
[52]
33
–
–
–
[52]
[52]
Units
Units
MHz
MHz
MHz
Mbit
[+] Feedback