参数资料
型号: MC9S12DP512MPVR2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 16-BIT, FLASH, 25 MHz, MICROCONTROLLER, PQFP112
封装: ROHS COMPLIANT, LQFP-112
文件页数: 17/124页
文件大小: 4657K
代理商: MC9S12DP512MPVR2
MC9S12DP512 Device Guide V01.25
113
A.7 SPI
This section provides electrical parametrics and ratings for the SPI.
In Table A-18 the measurement conditions are listed.
A.7.1 Master Mode
In Figure A-6 the timing diagram for master mode with transmission format CPHA=0 is depicted.
Figure A-6 SPI Master Timing (CPHA=0)
In Figure A-7 the timing diagram for master mode with transmission format CPHA=1 is depicted.
Table A-18 Measurement Conditions
Description
Value
Unit
Drive mode
full drive mode
Load capacitance CLOAD,
on all outputs
50
pF
Thresholds for delay
measurement points
(20% / 80%) VDDX
V
SCK
(OUTPUT)
SCK
(OUTPUT)
MISO
(INPUT)
MOSI
(OUTPUT)
SS1
(OUTPUT)
1
9
5
6
MSB IN2
BIT 6 . . . 1
LSB IN
MSB OUT2
LSB OUT
BIT 6 . . . 1
11
4
2
10
(CPOL
= 0)
(CPOL
= 1)
3
13
1.if configured as an output.
2. LSBF = 0. For LSBF = 1, bit order is LSB, bit 1, ..., bit 6, MSB.
12
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