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Details, datasheet, quote on part number:UPD70320L
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Datasheet text preview:
DATA SHEET
MOS INTEGRATED CIRCUIT
µPD70320
V25TM 16/8-BIT SINGLE-CHIP MICROCONTROLLER
The µPD70320 (V25) is a single-chip microcontroller on which 16-bit CPU, RAM, serial interface, timer, DMA controller, interrupt controller, etc. are all integrated. The µPD70320 is compatible with the 8/16-bit microprocessor
µPD70108/ 70116 (V20TM/V30TM) on the software level.
The details of the functions are described in the following User's Manuals. Be sure to read it before starting design. · V25, V35TM User's Manual -- Hardware : IEM-1220 · V25, V35 Family User's Manual -- Instructions : U12120J (Japanese version)
FEATURES
· · · · · · · ·
Internal 16-bit architecture and external 8-bit data bus Compatible with µPD70108/ 70116 (in native mode) on software level (some instructions added) Minimum instruction cycle : 400 ns/5 MHz (µPD70320) 250 ns/8 MHz (µPD70320-8) On-chip RAM : 256 words × 8 bits Input port (port T) with comparator : 8 bits I/O lines (input port : 4 bits, input/output port : 20 bits) Serial interface (internal dedicated baud rate generator) : 2 channels Asynchronous mode and I/O interface mode Interrupt controller · Programmable priority (8 levels) · Vectored interrupt function · Register bank switching function · Macro service function
· · · · · · ·
DRAM and pseudo SRAM refreshing functions DMA controller : 2 channels 16-bit timer : 2 channels Time base counter On-chip clock generator Programmable wait function Standby function (STOP/HALT)
The information in this document is subject to change without notice. Document No. U10090EJ8V0DS00 (8th edition) Date Published November 1997 N Printed in Japan The mark shows major revised points.
©
1996 1995
µPD70320
ORDERING INFORMATION
Part Number Package 84-pin plastic QFJ (1150 × 1150 mils) 84-pin plastic QFJ (1150 × 1150 mils) 94-pin plastic QFP (20 × 20 mm) 94-pin plastic QFP (20 × 20 mm) Max. Operating Frequency (MHz) 5 8 5 8
µP D 7 0 3 2 0 L µP D 7 0 3 2 0 L - 8 µP D 7 0 3 2 0 G J - 5 B G µP D 7 0 3 2 0 G J - 8 - 5 B G
Remark The plastic QFJ is a new name of the PLCC.
2
µPD70320
PIN CONFIGURATION (Top View)
84-Pin Plastic QFJ (1150 × 1150 mils)
µ PD70320L µ PD70320L-8
RE FRQ
RE S E T
IO S TB
MRE Q
MS TB
G ND
R/W
P06
P05
P04
P03
P02
P01
P00
V DD
VTH
EA
X2
X1
IC
11 10 9 P07/CLKOUT D0 D1 D2 D3 D4 D5 D6 D7 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
8
7
6
5
4
3
2
1 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 PT7 PT6 PT5 PT4 PT3 PT2 PT1 PT0 P17/READY P16/SCK0 P15/ TOUT P14/INT/POLL P13/INTP2/INTAK P12/INTP1 P11/INTP0 P10/NMI P27/HLDRQ P26/HLDAK P25/ TC1 P24/DMAAK1 P23/DMARQ1
33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53
P21/DMAAK0
P22/ TC0
A12
A13
A14
A15
A16
A17
A18
A19
RxD0
GND
CTS0
TxD0
RxD1
CTS1
TxD1
P20/DMARQ0
IC
IC: Internally Connected
Cautions 1. Connect IC pin individually to VDD via a resistor (3 to 10 k). 2 Connect EA pin to GND via a resistor (3 to 10 k).
VDD
IC
IC
3
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