參數(shù)資料
型號(hào): 9S12B128DGV1
英文描述: 9S12B128 Device Guide
中文描述: 9S12B128設(shè)備指南
文件頁數(shù): 16/128頁
文件大?。?/td> 1823K
代理商: 9S12B128DGV1
Device User Guide — 9S12B128DGV1/D V01.11
16
Figure 0-1 Order Partnumber Example
The following items should be considered when using a derivative.
PreliminaryMC9S12B64 using MC9S12B128 die
The MC9S12B128 is tested only for MC9S12B64 functionality. For the preliminary
MC9S12B64 the upper 2K Bytes RAM of the MC9S12B128 are reserved and should not be
used. Also the pages $38-$3B of Flash are reserved and should not be used.
Pins not available in 80 pin QFP package
Port H
In order to avoid floating nodes the ports should be either configured as outputs by setting the
data direction register (DDRH at Base+$0262) to $FF, or enabling the pull resistors by writing
a $FF to the pull enable register (PERH at Base+$0264).
Port J[1:0]
PortJpull-upresistorsareenabledoutofresetonallfourpins(7:6and1:0).Thereforecaremust
be taken not to disable the pull enables on PJ[1:0] by clearing the bits PERJ1 and PERJ0 at
Base+$026C.
Port K
Port K pull-up resistors are enabled out of reset, i.e. Bit 7 = PUKE = 1 in the register PUCR at
Base+$000C. Therefor care must be taken not to clear this bit.
Port M[7:6]
PM7:6 must be configured as outputs or their pull resistors must be enabled to avoid floating
inputs.
Port P6
PP6 must be configured as output or its pull resistor must be enabled to avoid a floating input.
MC9S12 B128 C FU 25
Package Option
Temperature Option
Device Title
Controller Family
Temperature Options
C = -40C to
V = -40C to 105C
M = -40C to 125C
Package Options
FU =
80QFP
PV = 112LQFP
85C
Speed
Speed Options
25 = 25MHz bus
16 = 16MHz bus
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相關(guān)代理商/技術(shù)參數(shù)
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