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| 型號： | TMX320C6204GGP167 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | E Core |
| 中文描述： | 定點數字信號處理器 |
| 文件頁數： | 60/83頁 |
| 文件大小： | 1176K |
| 代理商： | TMX320C6204GGP167 |
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TMS320C6211, TMS320C6211B
FIXED-POINT DIGITAL SIGNAL PROCESSORS
SPRS073K
AUGUST 1998
REVISED MARCH 2004
60
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251
1443
RESET TIMING
timing requirements for reset
(see Figure 31)
NO.
150
167
UNIT
MIN
10P
250
2P
2P
MAX
1
t
w(RST)
Width of the RESET pulse (PLL stable)
Width of the RESET pulse (PLL needs to sync up)
§
Setup time, HD boot configuration bits valid before RESET high
Hold time, HD boot configuration bits valid after RESET high
P = 1/CPU clock frequency in ns. For example, when running parts at 167 MHz, use P = 6 ns.
This parameter applies to CLKMODE x1 when CLKIN is stable, and applies to CLKMODE x4 when CLKIN and PLL are stable.
§
This parameter applies to CLKMODE x4 only (it does not apply to CLKMODE x1). The RESET signal is not connected internally to the clock PLL
circuit. The PLL, however, may need up to 250
μ
s to stabilize following device power up or after PLL configuration has been changed. During
that time, RESET must be asserted to ensure proper device operation. See the
clock PLL
section for PLL lock times.
HD[4:3] are the boot configuration pins during device reset.
ns
μ
s
ns
ns
14
15
t
su(HD)
t
h(HD)
switching characteristics over recommended operating conditions during reset
#||
(see Figure 31)
NO.
PARAMETER
150
167
UNIT
MIN
MAX
2
3
4
5
6
7
8
9
10
11
12
13
t
d(RSTL-ECKI)
t
d(RSTH-ECKI)
t
d(RSTL-EMIFZHZ)
t
d(RSTH-EMIFZV)
t
d(RSTL-EMIFHIV)
t
d(RSTH-EMIFHV)
t
d(RSTL-EMIFLIV)
t
d(RSTH-EMIFLV)
t
d(RSTL-HIGHIV)
t
d(RSTH-HIGHV)
t
d(RSTL-ZHZ)
t
d(RSTH-ZV)
Delay time, RESET low to ECLKIN synchronized internally
Delay time, RESET high to ECLKIN synchronized internally
Delay time, RESET low to EMIF Z group high impedance
Delay time, RESET high to EMIF Z group valid
Delay time, RESET low to EMIF high group invalid
Delay time, RESET high to EMIF high group valid
Delay time, RESET low to EMIF low group invalid
Delay time, RESET high to EMIF low group valid
Delay time, RESET low to high group invalid
Delay time, RESET high to high group valid
Delay time, RESET low to Z group high impedance
Delay time, RESET high to Z group valid
2P + 3E
2P + 3E
2P + 3E
3P + 4E
3P + 4E
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
3P + 4E
2P + 3E
3P + 4E
2P + 3E
3P + 4E
2P
4P
2P
2P
P = 1/CPU clock frequency in ns. For example, when running parts at 167 MHz, use P = 6 ns.
#
E = ECLKIN period in ns
||
EMIF Z group consists of:
EA[21:2], ED[31:0], CE[3:0], BE[3:0], ARE/SDCAS/SSADS, AWE/SDWE/SSWE, and AOE/SDRAS/SSOE
EMIF high group consists of: HOLDA
EMIF low group consists of:
BUSREQ
High group consists of:
HRDY and HINT
Z group consists of:
HD[15:0], CLKX0, CLKX1, FSX0, FSX1, DX0, DX1, CLKR0, CLKR1, FSR0, FSR1, TOUT0, and TOUT1.
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