參數(shù)資料
型號(hào): UPD784214AYGF
廠商: NEC Corp.
元件分類: 圓形連接器
英文描述: Circular Connector; No. of Contacts:3; Series:; Body Material:Aluminum Alloy; Connecting Termination:Solder; Connector Shell Size:14S; Circular Contact Gender:Socket; Circular Shell Style:Straight Plug; Insert Arrangement:14S-12 RoHS Compliant: No
中文描述: 16位單晶片微控制器
文件頁(yè)數(shù): 58/100頁(yè)
文件大小: 561K
代理商: UPD784214AYGF
Data Sheet U14121EJ2V0DS00
58
μ
PD784214A, 784215A, 784216A, 784217A, 784218A, 784214AY, 784215AY, 784216AY, 784217AY, 784218AY
9. LOCAL BUS INTERFACE
The local bus interface can connect an external memory or I/O (memory mapped I/O) and support a memory
space of 1 MB (refer to
Figure 9-1
).
Figure 9-1. Example of Local Bus Interface
(a) Multiplexed bus mode
(b) Separate bus mode
μ
PD784218A
RD
WR
A8 to A19
ASTB
AD0 to AD7
V
DD
Address latch
LE
Q0 to Q7
D0 to D7
OE
SRAM
CS
OE
WE
I/O1 to I/O8
A0 to A19
Data bus
Address bus
V
DD
Address bus
SRAM
CS
Data bus
OE
WE
I/O1 to I/O8
A0 to A19
μ
PD784218A
RD
WR
A0 to A19
AD0 to AD7
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