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Part Number: UPD75108A
Description: UPD75108A is a 4-bit single-chip CMOS microcomputer having a data processing capability comparable to that of an 8-bit ...
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UPD75108A
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General Description
UPD75108A General Description
UPD75108A is a 4-bit single-chip CMOS microcomputer having a data processing capability comparable to that of an 8-bit microcomputer. Operating at high speeds, the microcomputer allows data to be manipulated in units of 1, 4, or 8 bits. In addition, various bit manipulation instructions are provided to reinforce I/O manipulation capability. Equipped with I/Os for interfacing with peripheral circuits operating on a different supply voltage, outputs that can directly drive LEDs, and analog inputs, PD75108A is suitable for controlling such small equipments as cameras and VCRs.
Detailed functions are described in the following user's manual. Be sure to read it for designing. UPD751XX Series User's Manual: IEM-922
UPD75108A Maximum Ratings
|
Parameter |
Symbol |
Conditions |
Ratings |
Unit | |
| Supply Voltage |
VDD |
-0.3 to +7.0 |
V | ||
| Input Voltage |
VI1 |
Other than ports 12 to 14 |
V | ||
|
VI2*1 |
Ports 12 to 14 | w/pull-up resistor |
-0.3 to VDD+0.3 |
V | |
| Open drain |
-0.3 to +13 |
V | |||
| Output Voltage |
VO |
-0.3 to VDD+0.3 |
V | ||
| High-Level Output Current |
IOH |
1 pin |
-15 |
mA | |
| All pins |
-30 |
mA | |||
| Low-Level Output Current |
IOL*2 |
1 pin | Peak |
30 |
mA |
| rms |
15 |
mA | |||
| Total of ports 0, 2 to 4, 12 to 14 | Peak |
100 |
mA | ||
| rms |
60 |
mA | |||
| Total of ports 5 to 9 | Peak |
100 |
mA | ||
| rms |
60 |
mA | |||
| Operating Temperature |
Topt |
-40 to +85 |
°C | ||
| Storage Temperature |
Tstg |
-65 to +150 |
°C | ||
UPD75108A Features
* Internal memory
* Program memory (ROM)
: 8064 * 8 bits (PD75108A)
: 4096 * 8 bits (PD75104A)
* Data memory (RAM)
: 512 * 4 bits (PD75108A)
: 320 * 4 bits (PD75104A)
* Architecture "75X" rivaling 8-bit microcomputers
* 43 systematically organized instructions
* A wealth of bit manipulation instructions
* 8-bit data transfer, compare, operation, increment, and decrement instructions
* 1-byte relative branch instructions
* GETI instruction executing 2-/3-byte instruction with one byte
* High speed. Minimum instruction execution time: 0.95 s (at 4.19 MHz, 5V)
* Instruction execution time change function: 0.95 s/1.91 s/15.3 s (at 4.19 MHz)
* I/O port pins as many as 58
* Three channels of 8-bit timers
* 8-bit serial interface
* Multiplexed vector interrupt function
* Program memory (ROM)
: 8064 * 8 bits (PD75108A)
: 4096 * 8 bits (PD75104A)
* Data memory (RAM)
: 512 * 4 bits (PD75108A)
: 320 * 4 bits (PD75104A)
* Architecture "75X" rivaling 8-bit microcomputers
* 43 systematically organized instructions
* A wealth of bit manipulation instructions
* 8-bit data transfer, compare, operation, increment, and decrement instructions
* 1-byte relative branch instructions
* GETI instruction executing 2-/3-byte instruction with one byte
* High speed. Minimum instruction execution time: 0.95 s (at 4.19 MHz, 5V)
* Instruction execution time change function: 0.95 s/1.91 s/15.3 s (at 4.19 MHz)
* I/O port pins as many as 58
* Three channels of 8-bit timers
* 8-bit serial interface
* Multiplexed vector interrupt function
UPD75108A Connection Diagram
UPD75108AGC
PDF/DataSheet Download
- Datasheet: UPD75108AGC
- File Size: 471397 KB
- Manufacturer: NEC [NEC]
- Click here to Download
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