参数资料
型号: MPC5123VY400BR
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: RISC PROCESSOR, PBGA516
封装: 27 X 27 MM, ROHS COMPLIANT, PLASTIC, TFBGA-516
文件页数: 70/86页
文件大小: 1266K
代理商: MPC5123VY400BR
MPC5121E/MPC5123 Data Sheet, Rev. 1
Electrical and Thermal Characteristics
Freescale Semiconductor
72
Figure 51. Timing Diagram – SPI Slave Mode, Format 1 (CPHA = 1)
3.3.21
GPIOs and Timers
The MPC5121e/MPC5123 contains several sets of I/Os that do not require special setup, hold, or valid requirements. The
external events (GPIO or timer inputs) are asynchronous to the system clock. The inputs must be valid for at least tIOWID to
ensure proper capture by the internal IP clock.
3.3.22
Fusebox
Table 49 gives the Fusebox specification.
Table 48. GPIO/Timers Input AC Timing Specifications
Symbol
Description
Min
Unit
SpecID
tIOWID
GPIO/Timers inputs - minimum pulse witdh
2T1
1 T is the IP bus clock cycle. T= 12 ns is the minimum value (for the maximum IP bus freqency of 83 MHz).
ns
A21.1
Table 49. Fusebox Characteristics
Sym
Description
Min
Max
Units
SpecID
tFUSEWR Program time
1 for Fuse
1 The program length is defined by the value defined in the EPM_PGM_LENGTH bits of the IIM module.
125
us
A22.1
IFUSEWR Program current to program one fuse bit
10
mA
A22.2
SCK
(CLKPOL=0)
SCK
(CLKPOL=1)
MOSI
Input
SS
Input
MISO
Output
1
22
7
8
3
4
6
5
Preliminary
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