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CHAPTER 1 MEMORY SPACE

User's Manual U12326EJ4V0UM

(3) RAM for VFD display

There are some products in the 78K/0 Series to which RAM for VFD display is allocated. This RAM can

also be used as an ordinary RAM area.

(4) Internal expansion RAM

There are some products in the 78K/0 Series to which internal expansion RAM is allocated.

(5) RAM for LCD display

There are some products in the 78K/0 Series to which RAM for LCD display is allocated. This RAM can

also be used as an ordinary RAM area.

1.7 Special Function Register (SFR) Area

On-chip peripheral hardware special function registers (SFRs) are allocated in the area FF00H to FFFFH (for

details of the special function registers, refer to the user’s manual of each product).

Caution Do not access addresses to which SFRs are not allocated. If an address is erroneously

accessed, the CPU may become deadlocked.

1.8 External Memory Space

This is an external memory space that can be accessed by setting the memory extension mode register. This

space can store program and table data, and be assigned peripheral devices.

For details of the products in which an external memory space can be used, refer to the user’s manual of each

product.

1.9 IEBus

IEBus registers that are used to control the IEBus controller are allocated to the IEBus register area.

For details of the products that incorporate an IEBus controller, refer to the user’s manual of each product.

相關(guān)代理商/技術(shù)參數(shù)	參數(shù)描述
780790001	制造商:Molex 功能描述:1mm pit DDR3 DIMM PCB Skt Blk
78079-0001	功能描述:DDR3 / DDR2 / DDR 連接器 1.0MM DDR3 DIMM SKT 240P V TH 2.67TL AU RoHS:否制造商:Molex 產(chǎn)品類型:DIMM 系列:78588 節(jié)距:1 mm 位置/觸點數(shù)量:240 安裝風(fēng)格:Through Hole 安裝角:Vertical 外殼材料:Thermoplastic 觸點材料:Copper Alloy 觸點電鍍:Gold 電壓額定值:29 V 電流額定值:1 A 長度:
780790002	制造商:Molex 功能描述:
78079-0002	功能描述:DDR3 / DDR2 / DDR 連接器 1mm DDR3 DIMM VtTH O O/Lub .38AuLF 240Ckt RoHS:否制造商:Molex 產(chǎn)品類型:DIMM 系列:78588 節(jié)距:1 mm 位置/觸點數(shù)量:240 安裝風(fēng)格:Through Hole 安裝角:Vertical 外殼材料:Thermoplastic 觸點材料:Copper Alloy 觸點電鍍:Gold 電壓額定值:29 V 電流額定值:1 A 長度:
78079-0011	功能描述:DDR3 / DDR2 / DDR 連接器 1mm DDR3 DIMM VtTH / /Lub .76AuLF 240Ckt RoHS:否制造商:Molex 產(chǎn)品類型:DIMM 系列:78588 節(jié)距:1 mm 位置/觸點數(shù)量:240 安裝風(fēng)格:Through Hole 安裝角:Vertical 外殼材料:Thermoplastic 觸點材料:Copper Alloy 觸點電鍍:Gold 電壓額定值:29 V 電流額定值:1 A 長度:

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