參數(shù)資料
型號(hào): μPD70P3002
廠商: NEC Corp.
英文描述: 16/32 Single -Chip Microcontroller(16/32 位單片微控制器)
中文描述: 16/32單片機(jī)(16/32位單片微控制器)
文件頁(yè)數(shù): 10/56頁(yè)
文件大?。?/td> 367K
代理商: ΜPD70P3002
μ
PD70P3002
10
(2/2)
Pin Name
I/O
Function
Alternate Function
AD0 to AD7
I/O
16-bit multiplexed address/data bus when external memory is connected
P40 to P47
AD8 to AD15
P50 to P57
A16 to A23
Output
High-order address bus when external memory is connected
P60 to P67
LBEN
Output
Low-order byte enable signal output of external data bus
P90
UBEN
High-order byte enable signal output of external data bus
P91
R/W
External read/write status output
P92
DSTB
External data strobe signal output
P93
ASTB
External address strobe signal output
P94
ST0
External bus cycle status output
P95
ST1
P96
HLDAK
Output
Bus hold acknowledge output
P100
HLDRQ
Input
Bus hold request input
P101
CLKOUT
Output
System clock output
CKSEL
Input
Input specifying operation mode of clock generator
PLLSEL
Input
Input specifying PLL multiplication coefficient
WAIT
Input
Control signal input inserting wait state in bus cycle
MODE0, MODE1
Input
Operation mode specification
RESET
Input
System reset input
X1
Input
System clock oscillator connection
Input external clock to X1 to supply external clock
X2
CV
DD
Positive power supply for internal clock generator
CV
SS
Ground potential for internal clock generator
V
DD
Positive power supply
V
SS
Ground potential
IC0
Internally connected
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