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UPD556 の電気的特性と機能

UPD556のメーカーはNECです、この部品の機能は「EVACHIP-43」です。


製品の詳細 ( Datasheet PDF )

部品番号 UPD556
部品説明 EVACHIP-43
メーカ NEC
ロゴ NEC ロゴ 




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UPD556 Datasheet, UPD556 PDF,ピン配置, 機能
NEe Microcomputers, Inc.
NEe
fLPD556
EVACHIP·43
DESCR IPTION
The IlPD556 is an evaluation chip for the IlCOM-43/44/45 single chip microcomputers_
Designed to be used for both hardware and software debugging, the EVACH IP-43 is
functionally equivalent to the IlCOM-43, except that it does not contain on-chip ROM.
Instead, it is able to address external memory. In addition, in order to facilitate debug-
ging, the IlPD556 is capable of displaying the contents of the internal accumulator and
data pointer and of being single stepped.
When the IlPD556 is being used to evaluate IlCOM-44/45 designs, the external memory
capacity should be restricted to that of the respective.on-chip ROM and the instructions
should be restricted to the 58 comprising the IlCOM-44/45 instruction set.
FEATU RES
4-bit Parallel Processor
• Full 80 Instruction Set of IlCOM-43
• lOlls Instruction Cycle
• Capable of addressing 2K x B-bits of external program memory
• Single step capability
• Full Functionality of IlCOM-43
• Single supply: -10V PMOS Technology
• Available in a 64-pin Ceramic Quad-in-line Package
PIN CONFIGURATION
PIN NAMES
PFo PF3
PGo PG3
PHD PH3
Plo PI2
PAD PA3
PBO PB3
PCO PC3
INT
RES
POD P03
PEa - PEJ
BREAK
STEP
Ace/PC
Po - PlO
'0 - 17
CLO Cl,
TEST
Output PDft F
OutPUt Po.! G
OutPut POri H
Output Port I
Input PO'! A
Input Port 8
Input/Output Port C
Interrupt Input
Reset
InputJOutput Pon D
Output Port E
Hold Input
Single 51ep Input
Dlsplav Ace/PC Input
PC OutPut
Instruction Input
External Clock Source
Tied to VSS iGNOI
205

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UPD556 pdf, ピン配列
DC CHARACTERISTICS CD
Ta = -10 to +70°C' VGG "" -'lOV +- 10%
PARAMETER
Input High
Voltage
LIMITS
SYMBOL MIN TYP MAX
VIH 0
-2.0
Input Low
Voltage
VIL -4.3
VGG
Clock High
Voltage
Clock Low
Voltage
Input Leakage
Current High
VOH
0
VOL
-6.0
IliH
-0.8
VGG
+10
+30
Input Leakage
Current Low
IliL
-10
-30
Clock Input
Leakage High
Clock Input
Leakage Low
Output High
Voltage
ILOH
ILOL
VOHl
VOH2
+200
-200
-1.0
-2.3
Output Leakage
Current Low
Supply Current
ILOl
IGG
-30
-30 -50
UNIT
V
V
V
TEST
CONOITIONS
Port A to 0.17 to '0,
BREAK, STEP, iNT, RES,
and Ace/PC
Port A to 0,17 to '0,
BREAK, STEP, INT, RES,
and Ace/PC
CLO Input
V CLO Input
"A Port A and B, 17 to 10
TNT, RES, BREAK, STEP
"A ACC/PC, VI ~ -lV
V,porte and D, "'-lV
"A Port A and B, 17 to 10
TNT, RES, BREAK, STEP
"A Ace/PC, VI ~ -llV
PortCand D, V, =-11V
"A CLO Input, VOH" OV
"A CLO Input, VOL" -11 V
V Port C to 1, PlO to Po
'OH=-1.0mA
V Port C to t, PlO to Po
IOH ~ -3.3 mA
"A Port C to I, Pl0 to Po
VO~-llV
mA
Note: CD Relative to VSS '" OV
AC CHARACTERISTICS
CLOCK WAVEFORM
PARAMETER
SYMBOL
Frequency
f
Clock Rise and Fall Times tr,tf
Clock Pulse Width High
Clock Pulse Width Low
Input Setup Time
Input Hold Time
t<l>WH
tQJ,WL
'IS
tlH
SR EAK to STEP Interval
STEP to RUN IntelVal
tBS
tSB
STEP Pulse Width
BREAK to Acc Interval
tws
tBA
ACC/PC Pu lse Width
twA
STEP to ACC Interval
tSAl
PC to STEP Overlap
PC to RUN IntelVai
tSA2
tAB
ACC/PC ...... P 1O-PO Delay
tDAPl
tDAP2
LIMITS
MIN TYP MAX UNIT
150 440 KHz
"S0 0.3
"S0.5 5,6
"'0.5 5.6
5 "S
0 "'
80 tcy
80 tcy
12 tcy
80 tcy
12 tcy
80 tcy
2 tcy
0 "S
6 tcy
6 ICy
TEST
CONOITIONS
~-----1/f ------~
JLPD556
II
- - - - - -O.BV
207


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