參數(shù)資料
型號(hào): UPD705102GM-133-8ED
廠商: NEC Corp.
英文描述: V832TM 32-BIT MICROPROCESSOR
中文描述: V832TM 32位微處理器
文件頁(yè)數(shù): 7/80頁(yè)
文件大?。?/td> 536K
代理商: UPD705102GM-133-8ED
μ
PD705102
7
Data Sheet U13675EJ2V1DS00
1.2 Non-Port Pins
(1/2)
Pin Name
I/O
Function
Alternate Function
D0 to D31
3-state I/O
Data bus
A1 to A23
3-state output
Address bus
READY
Input
End of bus cycle enable
HLDRQ
Input
Bus hold request
HLDAK
Output
Bus hold enable
MRD
3-state output
Memory read strobe
UUBEN
Byte enable output (most significant byte: D31 to D24)
ULBEN
Byte enable output (enables second byte: D23 to D16)
LUBEN
Byte enable output (enables third byte: D15 to D8)
LLBEN
Byte enable output (enables least significant byte: D7 to D0)
IORD
I/O read strobe
IOWR
I/O write strobe
MWR
Memory write strobe
BT16B
Input
CS7 space bus size setting
BCYST
3-state output
Bus cycle start output
R/W
R/W output
RESET
Input
Reset input
X1
Crystal resonator connection (open when external clock input)
X2
Schmitt input
Crystal resonator connection/external clock input
CLKOUT
Output
Bus clock output
CMODE
Input
PLL multiplication factor setting (
×
6,
×
8)
CS2, CS7
3-state output
Memory chip select output
CS3 to CS6
Memory I/O chip select output
STOPAK
Output
STOP mode report output
TC
INTP10
Input
Maskable interrupts
TO10
INTP11
PORTB5
INTP12
TO11
INTP13
PORTB3
INTP00
PORTB2
INTP01
PORTB4
INTP02
PORTB6
INTP03
PORTB7
NMI
Non-maskable interrupt
RAS
3-state output
SDRAM RAS strobe
UUDQM
DQ mask enable (most significant byte: D31 to D24)
ULDQM
DQ mask enable (second byte: D23 to D16)
LUDQM
DQ mask enable (third byte: D15 to D8)
LLDQM
DQ mask enable (least significant byte: D7 to D0)
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