参数资料
型号: KMPC885ZP133
厂商: Freescale Semiconductor
文件页数: 14/87页
文件大小: 0K
描述: IC MPU POWERQUICC 133MHZ 357PBGA
标准包装: 2
系列: MPC8xx
处理器类型: 32-位 MPC8xx PowerQUICC
速度: 133MHz
电压: 3.3V
安装类型: 表面贴装
封装/外壳: 357-BBGA
供应商设备封装: 357-PBGA(25x25)
包装: 托盘
MPC885/MPC880 PowerQUICC Hardware Specifications, Rev. 7
Freescale Semiconductor
21
Bus Signal Timing
B29h
WE(0:3) negated to D(0:31) High-Z GPCM write
access, TRLX = 1, CSNT = 1, EBDF = 1
(MIN = 0.375
× B1 – 3.30)
38.40
31.10
17.50
13.85
ns
B29i
CS negated to D(0:31) High-Z GPCM write
access, TRLX = 1, CSNT = 1, ACS = 10 or
ACS = 11, EBDF = 1 (MIN = 0.375
× B1–3.30)
38.40
31.10
17.50
13.85
ns
B30
CS, WE(0:3) negated to A(0:31), BADDR(28:30)
Invalid GPCM read/write access8
(MIN = 0.25
× B1 – 2.00)
5.60
4.30
1.80
1.13
ns
B30a
WE(0:3) negated to A(0:31), BADDR(28:30)
Invalid GPCM, write access, TRLX = 0, CSNT = 1,
CS negated to A(0:31) invalid GPCM write access
TRLX = 0, CSNT =1 ACS = 10, or ACS == 11,
EBDF = 0 (MIN = 0.50
× B1 – 2.00)
13.20
10.50
5.60
4.25
ns
B30b
WE(0:3) negated to A(0:31) invalid GPCM
BADDR(28:30) invalid GPCM write access,
TRLX = 1, CSNT = 1. CS negated to A(0:31)
invalid GPCM write access TRLX = 1, CSNT = 1,
ACS = 10, or ACS == 11 EBDF = 0
(MIN = 1.50
× B1 – 2.00)
43.50
35.50
20.70
16.75
ns
B30c
WE(0:3) negated to A(0:31), BADDR(28:30)
invalid GPCM write access, TRLX = 0, CSNT = 1.
CS negated to A(0:31) invalid GPCM write
access, TRLX = 0, CSNT = 1 ACS = 10,
ACS == 11, EBDF = 1 (MIN = 0.375
× B1–3.00)
8.40
6.40
2.70
1.70
ns
B30d
WE(0:3) negated to A(0:31), BADDR(28:30)
invalid GPCM write access TRLX = 1, CSNT =1,
CS negated to A(0:31) invalid GPCM write access
TRLX = 1, CSNT = 1, ACS = 10 or 11, EBDF = 1
38.67
31.38
17.83
14.19
ns
B31
CLKOUT falling edge to CS valid, as requested by
control bit CST4 in the corresponding word in the
UPM (MAX = 0.00
× B1 + 6.00)
1.50
6.00
1.50
6.00
1.50
6.00
1.50
6.00
ns
B31a
CLKOUT falling edge to CS valid, as requested by
control bit CST1 in the corresponding word in the
UPM (MAX = 0.25
× B1 + 6.80)
7.60
14.30
6.30
13.00
3.80
10.50
3.13
10.00
ns
B31b
CLKOUT rising edge to CS valid, as requested by
control bit CST2 in the corresponding word in the
UPM (MAX = 0.00
× B1 + 8.00)
1.50
8.00
1.50
8.00
1.50
8.00
1.50
8.00
ns
B31c
CLKOUT rising edge to CS valid, as requested by
control bit CST3 in the corresponding word in the
UPM (MAX = 0.25
× B1 + 6.30)
7.60
13.80
6.30
12.50
3.80
10.00
3.13
9.40
ns
B31d
CLKOUT falling edge to CS valid, as requested by
control bit CST1 in the corresponding word in the
UPM EBDF = 1 (MAX = 0.375
× B1 + 6.6)
13.30 18.00 11.30 16.00
7.60
12.30
4.69
11.30
ns
Table 9. Bus Operation Timings (continued)
Num
Characteristic
33 MHz
40 MHz
66 MHz
80 MHz
Unit
Min
Max
Min
Max
Min
Max
Min
Max
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