参数资料
型号: MCF51QF128VHS
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: FLASH, 50 MHz, MICROCONTROLLER, QCC44
封装: 5 X 5 MM, QFN-44
文件页数: 44/72页
文件大小: 1031K
代理商: MCF51QF128VHS
Table 35. SPI slave mode timing (continued)
Num.
Symbol
Description
Min.
Max.
Unit
Comment
12
tRI
Rise time input
tBUS - 25
ns
tFI
Fall time input
13
tRO
Rise time output
25
ns
tFO
Fall time output
(INPUT)
MOSI
(INPUT)
MISO
(OUTPUT)
SS
(INPUT)
2
10
6
7
MSB IN
BIT 6 . . . 1
LSB IN
SLAVE MSB
SLAVE LSB OUT
BIT 6 . . . 1
11
5
3
8
(CPOL 0)
(CPOL 1)
4
13
NOTE: Not defined!
12
11
SEE
13
NOTE
9
see
note
SPSCK
=
Figure 19. SPI slave mode timing (CPHA=0)
(INPUT)
MOSI
(INPUT)
MISO
(OUTPUT)
2
6
7
MSB IN
BIT 6 . . . 1
LSB IN
MSB OUT
SLAVE LSB OUT
BIT 6 . . . 1
5
10
12
13
11
(CPOL 0)
(CPOL 1)
SS
(INPUT)
3
12
13
4
NOTE: Not defined!
SLAVE
8
9
see
note
SPSCK
=
Figure 20. SPI slave mode timing (CPHA=1)
Communication interfaces
MCF51JF128 Advance Information Data Sheet, Rev. 3, 08/2011.
Freescale Semiconductor, Inc.
Preliminary
49
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