Table 4. Timing Requirements For The C6201/C6701 Hpi - Texas Instruments TMS320C6000 Manual

Table 4. Timing Requirements for the C6201/C6701 HPI

MC68360
HPI Symbol
Symbol
t t
su(SEL-HSTBL) AVSA
t t + t
h(HSTBL-SEL) SNAI SWA
t t
w(HSTBL) SWA
t t
w(HSTBH) SN
1.5*P – t
M
t
su(HDV-HSTBH)
+ t
CLSN
t t
h(HSTBH-HDV) SNDOI
t 0.5* P + t
h(HRDYL-HSTBL) M
NOTE: P H = Period of TMS3206201/6701DSP clock = 5 ns @ 200 MHz.
P M = Period of MC68360 clock = 40 ns @ 25 MHz.
Table 5. Timing Requirements for MC68360 Interfaced to the C6201/C6701 HPI
HPI MC68360
Symbol Symbol
t t
oh(HSTBH-HDV) SNDI
2* P - t
M CLSA
t
DICL
- t
d(HSTBL-HDV)
NOTE: P M = Period of MC68360 clock = 40ns @ 25 MHz.
Table 6. Timing Requirements for the C6211/C6711 HPI
MC68360
HPI Symbol
Symbol
t t
su(SELV-HSTBL) AVSA
t t + t
h(HSTBL-SELV) SNAI SWA
t t
w(HSTBL) SWA
t t
w(HSTBH) SN
1.5*P – t
M
t
su(HDV-HSTBH)
+ t
CLSN
t t
h(HSTBH-HDV) SNDOI
t 0.5* P + t
h(HRDYL-HSTBL) M
NOTE: P H = Period of TMS3206211/6711 DSP clock = 6 ns @ 167 MHz.
P M = Period of MC68360 clock = 40 ns @ 25 MHz.
Setup time, select signals valid before HSTROBE low
Hold time, select signals valid after HSTROBE low
Pulse duration, HSTROBE low
Pulse duration, HSTROBE high
CHDO
Setup time, host data valid before HSTROBE high
Hold time, host data valid after HSTROBE high
Hold time, HSTROBE low after HRDY low
CLSN
Hold time, input data from CS negated
Read set-up time, data-in valid to clock low
Setup time, Select signals valid before HSTROBE low
Hold time, select signals valid after HSTROBE low
Pulse Duration, HSTROBE low
Pulse Duration, HSTROBE high
CHDO
Setup time, host data valid before HSTROBE high
Hold time, host data valid after HSTROBE high
Hold time, HSTROBE low after HRDY low
CLSN
Min
HPI (ns)
2*P
2*P
Min HPI
(ns)
Min
HPI (ns)
4*P
4*P
TMS320C6000 Host Port to MC68360 Interface
SPRA545A
Min
MC68360 (ns)
4 10
2 85
= 10 75
H
= 10 35
H
3 41
2 10
1 24
Min
MC68360 (ns)
2 0
52 1
Min
MC68360 (ns)
5 10
4 85
= 24 75
H
= 24 35
H
5 41
3 10
2 24
11