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PDF UPD75336GK Data sheet ( Hoja de datos )
| Número de pieza | UPD75336GK | |
| Descripción | 4-BIT SINGLE-CHIP MICROCOMPUTER | |
| Fabricantes | NEC | |
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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD75336
4-BIT SINGLE-CHIP MICROCOMPUTER
DESCRIPTION
The µPD75336 is one of the “75X-series” 4-bit single-chip microcomputers enabled to process data with
performance equivalent to that of 8-bit microcomputers.
The µPD75336 is a microcomputer with an expanded capacity of the ROM and RAM of conventional µPD75328
and an improved 8-bit data processing capacity. It can carry out A/D converter low-voltage operations.
For evaluation purposes for system development or small-quantity production, the µPD75P336 is available which
is a product with the on-chip mask ROM of µPD75336 replaced with a one-time PROM.
Functions are described in detail in the following User’s Manual, which should be read when carrying out design
work.
µPD75336 User’s Manual: IEU-725
FEATURES
• µPD75328 upward compatible
• Instruction execution time variable function useful for high-speed operations and power saving
• 0.95, 1.91, 3.81, 15.3 µs (Main system clock: When operated at 4.19 MHz)
• 122 µs (Subsystem clock: When operated at 32.768 kHz)
• Memory capacity: µPD75336 ROM: 16256 × 8 bits
RAM: 768 × 4 bits
• On-chip 8-bit resolution A/D converter (successive approximation type): 8 channels
• Low-voltage operation possible: VDD = 2.7 to 6.0 V
• On-chip LCD controller/driver
• Maximum of 20 × 4 segments drive possible
• Improved timer functions: 4 channels
• Improved 8-bit data processing capability
• Transfer, add/subtract, increase/decrease and compare possible
• Ultra-compact package in use (80-pin plastic TQFP (fine pitch)( 12 mm))
• On-chip PROM (µPD75P336) operative at low voltages available
• VDD = 2.7 to 6.0 V
APPLICATIONS
Cameras, VCR integrated cameras, air conditioners, sphygmomanometers, etc.
Document No. IC-2893C
(O.D. No. IC-7972C)
Date Published February 1994 P
Printed in Japan
The information in this document is subject to change without notice.
The mark 5 shows major revised points.
© NEC Corporation 1991
1 page  
1. PIN CONFIGURATION (TOP VIEW)
• 80-pin plastic QFP ( 14 mm)
• 80-pin plastic TQFP (fine pitch)( 12 mm)
µPD75336
S31/BP7
S30/BP6
S29/BP5
S28/BP4
S27/BP3
S26/BP2
S25/BP1
S24/BP0
S23
S22
S21
S20
S19
S18
S17
S16
S15
S14
S13
S12
1 8079787776 757473 7271 70696867666564636261 60 AN2
2 59 AN1
3 58 AN0
4 57 P83/AN7
5 56 P82/AN6
6 55 P81
7 54 P80/TI1
8 53 P33
9 52 P32
10 51 P31/SYNC
11 50 P30/LCDCL
12 49 P23/BUZ
13 48 P22/PCL
14 47 P21/PTO1
15 46 P20/PTO0
16 45 P13/TI0
17 44 P12/INT2
18 43 P11/INT1
19 42 P10/INT0
20 41 P03/SI/SB1
2122232425 262728 2930 31323334353637383940
* Internally connected. Connect the IC PIN to VDD directly.
5
5 Page 
µPD75336
3.2 NON-PORT PINS (2/2)
Pin Name
Input/Output
S12 to S23
S24 to S31
COM0 to COM3
Output
Output
Output
VLC0 to VLC2
BIAS
LCDCL *1
SYNC *1
AN0 to AN5
AN6
AN7
AVREF
AVSS
Input
Output
Output
Output
Input
Input
––
Dual-
Function Pin
Function
–– Segment signal output
BP0 to BP7 Segment signal output
–– Common signal output
LCD drive power supply with on-chip split resistor
–– (mask option)
— Externally mounted split resistor cut output
P30 Clock output for driving the externally extended driver
Clock output for synchronizing the externally extended
P31 driver
—
P82 A/D converter analogs signal input
P83
— A/D converter reference voltage input
–– A/D converter GND potential
Reset
*2
*2
*2
––
*3
Input
Input
Input
—
—
I/O Circuit
Type
G-A
G-C
G-B
––
––
E-B
E-B
Y
Y-B
Z
Z
* 1. Reserved pins for future system extension. They are used now only as P30 and P31 pins.
2. For each display output, VLCX is selected as the input source.
S12 to S31 : VLC1
COM0 to COM2 : VLC2
COM3 : VLC0
Each display output level varies depending on each display output and VLCX external circuit.
3. Low level if there is an on-chip split resistor.
High impedance if there is no on-chip split resistor.
11
11 Page | ||
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| PDF Descargar | [ Datasheet UPD75336GK.PDF ] | |
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