參數(shù)資料
型號: S12BKPV1D
廠商: Motorola, Inc.
英文描述: MC9S12DT128 Device User Guide V02.09
中文描述: MC9S12DT128設(shè)備的用戶手冊V02.09
文件頁數(shù): 77/138頁
文件大小: 2083K
代理商: S12BKPV1D
MC9S12DT128 Device User Guide — V02.09
77
Section 4 Modes of Operation
4.1 Overview
Eight possible modes determine the operating configuration of the MC9S12DT128. Each mode has an
associated default memory map and external bus configuration controlled by a further pin.
Three low power modes exist for the device.
4.2 Chip Configuration Summary
TheoperatingmodeoutofresetisdeterminedbythestatesoftheMODC,MODB,andMODApinsduring
reset(
Table 4-1
).TheMODC,MODB,andMODAbitsintheMODEregistershowthecurrentoperating
modeandprovidelimitedmodeswitchingduringoperation.ThestatesoftheMODC,MODB,andMODA
pinsarelatchedintothesebitsontherisingedgeoftheresetsignal.TheROMCTLsignalallowsthesetting
of the ROMON bit in the MISC register thus controlling whether the internal Flash is visible in the
memory map. ROMON = 1 mean the Flash is visible in the memory map. The state of the ROMCTL pin
is latched into the ROMON bit in the MISC register on the rising edge of the reset signal.
For further explanation on the modes refer to the HCS12 Multiplexed External Bus Interface Block Guide.
Table 4-1 Mode Selection
BKGD =
MODC
PE6 =
MODB
PE5 =
MODA
PK7 =
ROMCTL
ROMON
Bit
Mode Description
0
0
0
X
1
Special Single Chip, BDM allowed and ACTIVE. BDM is
allowed in all other modes but a serial command is
required to make BDM active.
0
0
1
0
1
X
0
1
X
0
1
1
0
0
1
0
1
0
1
Emulation Expanded Narrow, BDM allowed
0
1
0
Special Test (Expanded Wide), BDM allowed
0
1
1
Emulation Expanded Wide, BDM allowed
1
0
0
Normal Single Chip, BDM allowed
1
0
1
Normal Expanded Narrow, BDM allowed
1
1
0
X
1
Special Peripheral; BDM allowed but bus operations
would cause bus conflicts (must not be used)
1
1
1
0
1
0
1
Normal Expanded Wide, BDM allowed
Table 4-2 Clock Selection Based on PE7
PE7 = XCLKS
1
0
Description
Colpitts Oscillator selected
Pierce Oscillator/external clock selected
相關(guān)PDF資料
PDF描述
S12CPUV2 MC9S12DT128 Device User Guide V02.09
S12CPUV2D MC9S12DT128 Device User Guide V02.09
S12CRGV4 MC9S12DT128 Device User Guide V02.09
S12CRGV4D MC9S12DT128 Device User Guide V02.09
S12DTB128PIMV2 MC9S12DT128 Device User Guide V02.09
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
S12BKVD1 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:Automotive applications
S12B-PADSS-1(LF)(SN) 制造商:JST Manufacturing 功能描述:PAD Series 12 Position 2 mm Pitch Side Entry Shrouded Header Connector
S12B-PADSS-1-GW 制造商:JST Manufacturing 功能描述:12 Position Side Entry Shrouded Header
S12B-PASK-2 功能描述:CONN HEADR PA 12POS SIDE 2MM TIN RoHS:否 類別:連接器,互連式 >> 矩形- 接頭,公引腳 系列:PA 標準包裝:1 系列:- 觸點類型::公形引腳 連接器類型:接頭,無罩 位置數(shù):16 加載位置的數(shù)目:全部 間距:0.100"(2.54mm) 行數(shù):1 行間距:- 觸點接合長度:0.230"(5.84mm) 安裝類型:通孔 端子:焊接 緊固型:- 特點:- 觸點表面涂層:錫 觸點涂層厚度:100µin(2.54µm) 顏色:黑 包裝:散裝 配套產(chǎn)品:S7049-ND - CONN HEADER FMALE 16POS .1" GOLDS7014-ND - CONN HEADER FEMALE 16POS.1" TINS5647-ND - CONN FMALE 16POS .1" SMD GOLDS5608-ND - CONN FEMALE 16POS .1" SMD TINS5491-ND - CONN FEMALE 16POS .100" R/A GOLDS5452-ND - CONN FEMALE 16POS .100" R/A TINS4546-ND - CONN FMALE 16POS .1" SMD GOLDS4507-ND - CONN FEMALE 16POS .1" SMD TINS4390-ND - CONN FEMALE 16POS .100" R/A GOLDS4351-ND - CONN FEMALE 16POS .100" R/A TIN更多... 其它名稱:S1022-16
S12B-PASK-2(LF)(SN) 制造商:JST Manufacturing 功能描述:CONN HEADR PA 12POS SIDE 2MM TIN 制造商:JST Manufacturing 功能描述:PA Series 12 Position 2 mm Through Hole Wire to Board Single Row Shrouded Header 制造商:JST Manufacturing 功能描述:12 way side entry PCB header PA 2.0