NEC V850E/PH2, User Manual

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1024
Chapter 25 Electrical Specifications
User’s Manual U16580EE3V1UD00
(2) Clocked serial interface 3 (CSI3) timing
Table 25-15: CSI3 Characteristics (Master Mode)
Table 25-16: CSI3 Characteristics (Slave Mode)
Remark: n = 0, 1
m = 0 to 3
CKS3n2 to CKS3n0
≠
111B
Parameter Symbol MIN. MAX. Unit
CSI3 operation clock cycle time t
CYK
15.625 ns
SCK3n clock cycle time t
CYSKM
125 ns
SCK3n high level width t
WSKHM
0.5 t
CYSKM
- 10 ns
SCK3n low level width t
WSKLM
0.5 t
CYSKM
- 10 ns
SI3n setup time (vs. SCK3n
↑
) t
SSISKM
20 ns
SI3n hold time (vs. SCK3n
↑
) t
HSKSIM
10 ns
SO3n output delay (vs. SCK3n
↓
)
t
DSKSOM
10 ns
SO3n output hold time (vs. SCK3n
↑
) t
HSKSOM
0.5 t
CYSKM
- 10 ns
SCS3nm inactive width t
WSKCSB
0.5 t
CYSKM
- 10 ns
SCS3nm setup time (vs. SCK3n
↓
)
t
SCSZCK0
t
CYK
- 10 ns
t
SCSZCK1
t
CYSKM
+ t
CYK - 10
ns
t
SCSZCK2
t
CYSKM
- t
CYK - 10
ns
SCS3nm hold time (vs. SCK3n
↑
) t
HSKCSZ0
t
CYK
- 10 ns
t
HSKCSZ1
0.5 t
CYSKM
- 10 ns
CKS3n2 to CKS3n0
=
111B
Parameter Symbol MIN. MAX. Unit
CSI3 operation clock cycle time t
CYK
15.625 ns
SCK3n clock cycle time t
CYSKS
125 ns
SCK3n high level width t
WSKHS
0.5 t
CYSKS
- 10 ns
SCK3n low level width t
WSKLS
0.5 t
CYSKS
- 10 ns
SI3n setup time (vs. SCK3n
↑
) t
SSISKS
5 ns
SI3n hold time (vs. SCK3n
↑
) t
HSKSIS
1.5 t
CYK
+ 10 ns
SO3n output delay (vs. SCK3n
↓
)
t
DSKSOS
25 ns
SO3n output hold time (vs. SCK3n
↑
) t
HSKSOS
0.5 t
CYSKS
- 10 ns