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参数资料
型号： MC860SRCZQ50D4R2
厂商： Freescale Semiconductor
文件页数： 10/78页
文件大小： 0K
描述： IC MPU POWERQUICC 50MHZ 357-PBGA
标准包装： 180
系列： MPC8xx
处理器类型： 32-位 MPC8xx PowerQUICC
速度： 50MHz
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： 带卷 (TR)
MPC860 PowerQUICC Family Hardware Specifications, Rev. 9
18
Freescale Semiconductor
Bus Signal Timing
B29d
WE(0:3) negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 1, CSNT = 1,
EBDF = 0
43.45
—
35.5
—
28.00
—
20.73
—
ns
B29e
CS negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 1, CSNT = 1,
ACS = 10, or ACS = 11, EBDF = 0
43.45
—
35.5
—
28.00
—
29.73
—
ns
B29f
WE(0:3) negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 0, CSNT = 1,
EBDF = 1
8.86
—
6.88
—
5.00
—
3.18
—
ns
B29g
CS negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 0, CSNT = 1,
ACS = 10, or ACS = 11, EBDF = 1
8.86
—
6.88
—
5.00
—
3.18
—
ns
B29h
WE(0:3) negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 1, CSNT = 1,
EBDF = 1
38.67
—
31.38
—
24.50
—
17.83
—
ns
B29i
CS negated to D(0:31), DP(0:3) High-Z
GPCM write access, TRLX = 1, CSNT = 1,
ACS = 10, or ACS = 11, EBDF = 1
38.67
—
31.38
—
24.50
—
17.83
—
ns
B30
CS, WE(0:3) negated to A(0:31),
BADDR(28:30) invalid GPCM write access 8
5.58
—
4.25
—
3.00
—
1.79
—
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
13.15
—
10.50
—
8.00
—
5.58
—
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
43.45
—
35.50
—
28.00
—
20.73
—
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
8.36
—
6.38
—
4.50
—
2.68
—
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 ACS = 11, EBDF = 1
38.67
—
31.38
—
24.50
—
17.83
—
ns
B31
CLKOUT falling edge to CS valid—as
requested by control bit CST4 in the
corresponding word in UPM
1.50
6.00
1.50
6.00
1.50
6.00
1.50
6.00
ns
Table 7. Bus Operation Timings (continued)
Num
Characteristic
33 MHz
40 MHz
50 MHz
66 MHz
Unit
Min
Max
Min
Max
Min
Max
Min
Max
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