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D70325L-8 데이터시트 PDF




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기능 UPD70325L-8
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D70325L-8 데이터시트, 핀배열, 회로
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD70325
V25+TM
16/8-BIT SINGLE-CHIP MICROCONTROLLER
The µPD70325 (V25+) is a single-chip microcontroller on which 16-bit CPU, RAM, serial interface, timer, DMA
controller, interrupt controller, etc. are all integrated. The µPD70325 is software compatible with the 16/8-bit single-
chip microcontroller µPD70320 (V25TM). The V25+ greatly improves the DMA responsivity and transfer rate compared
www.DataSheet4U.com
to the V25.
FEATURES
Software compatible with V25
Software compatible with µPD70108/70116 (in native mode) (some instructions added)
Internal 16-bit architecture and external 8-bit data bus
3-stage pipeline method
Minimum instruction cycle : 250 ns/8 MHz (external 16 MHz)
: 200 ns/10 MHz (external 20 MHz)
Memory space 1 Mbyte
On-chip RAM : 256 words × 8 bits
Register bank (memory mapped method) : 8 banks
Input port (port T) with comparator : 8 bits
I/O lines (input port : 4 bits, input/output ports : 20 bits)
Serial interface : 2 channels
• Internal dedicated baud rate generator
• Asynchronous mode and I/O interface mode
Interrupt controller
• Programmable priority (8 levels)
• 3 types of interrupt response method
Vectored interrupt function, register bank switching function, macro service function
DRAM and pseudo SRAM refreshing function
DMA controller : 2 channels
• 4 types of DMA transfer mode
• Transfer rate Maximum 4 Mbytes/second (when stop control is not executed by DMARQ pin in demand release
mode)
Maximum 2 Mbytes/second (when stop control is executed by DMARQ pin in demand release
mode, or burst mode)
• Address pointer (linear) : 20 bits
• Terminal counter : 16 bits
16-bit timer : 2 channels
Time base counter (20 bits) : 1 channel
On-chip clock generator
Programmable wait function
Standby function (STOP, HALT)
The information in this document is subject to change without notice.
Document No. U12850EJ7V0DS00 (7th edition)
Date Published November 1997 N
Printed in Japan
The mark shows major revised points.
© 11999965




D70325L-8 pdf, 반도체, 판매, 대치품
PIN CONFIGURATION (Top View)
94-Pin Plastic QFP
µPD70325GJ-8-5BG
µPD70325GJ-10-5BG
µPD70325
www.DataSheet4U.com
A12
NC
A13
A14
A15
A16
A17
A18
A19
RxD0
GND
CTS0
TxD0
RxD1
CTS1
TxD1
P20/DMARQ0
IC
VDD
VDD
P21/DMAAK0
NC
P22/TC0
94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72
71
1 70
2 69
3 68
4 67
5 66
6 65
7 64
8 63
9 62
10 61
11 60
12 59
13 58
14 57
15 56
16 55
17 54
18 53
19 52
20 51
21 50
22 49
23 48
24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
P05
NC
IC
P04
P03
P02
P01
P00
EA
MREQ
IOSTB
MSTB
R/W
REFRQ
RESET
VDD
VDD
X2
X1
GND
GND
NC
NC
VTH
Remarks 1. NC : Non-Connection
2. IC : Internally Connected
Cautions 1. Fix IC pin individually to high level via a pull-up resistor externally.
2. Fix EA pin to low level.
4

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D70325L-8 전자부품, 판매, 대치품
µPD70325
CONTENTS
1. PIN FUNCTIONS .................................................................................................................................. 8
1.1 Port Pins ....................................................................................................................................................... 8
1.2 Non-port Pins ............................................................................................................................................... 9
2. INSTRUCTION SETS ......................................................................................................................... 10
2.1 Comparison between µPD70108 and 70116 ........................................................................................... 10
2.2 Instruction Set Operation ......................................................................................................................... 12
www.DataSheet4U.com 2.3 Instruction Set Table ................................................................................................................................. 16
2.4 Number of Clocks Table ........................................................................................................................... 38
3. ELECTRICAL SPECIFICATIONS ...................................................................................................... 49
4. PACKAGE DRAWINGS ..................................................................................................................... 74
5. RECOMMENDED SOLDERING CONDITIONS ................................................................................ 76
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