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UPD753204 Datasheet(PDF) 2 Page - NEC

Part # UPD753204
Description  4-BIT SINGLE-CHIP MICROCONTROLLERS
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD753204 Datasheet(HTML) 2 Page - NEC

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2
µPD753204, 753206, 753208
Function Outline
Parameter
Function
Instruction execution time
• 0.95, 1.91, 3.81, 15.3
µs (@ 4.19-MHz operation with system clock)
• 0.67, 1.33, 2.67, 10.7
µs (@ 6.0-MHz operation with system clock)
Internal memory
ROM
4096
× 8 bits (
µPD753204)
6144
× 8 bits (
µPD753206)
8192
× 8 bits (
µPD753208)
RAM
512
× 4 bits
General-purpose register
• 4-bit operation: 8
× 4 banks
• 8-bit operation: 4
× 4 banks
Input/
CMOS input
6
Connecting on-chip pull-up resistors can be specified by software: 5
output
CMOS input/output
20
Connecting on-chip pull-up resistors can be specified by software: 20
port
Also used for segment pins: 8
N-ch open-drain
4
On-chip pull-up resistors can be specified by mask option
input/output
13-V withstand voltage
Total
30
LCD controller/driver
• Segment selection:
4/8/12 segments (can be changed to CMOS input/
output port in 4-time units; max. 8)
• Display mode selection:
Static
1/2 duty (1/2 bias)
1/3 duty (1/2 bias)
1/3 duty (1/3 bias)
1/4 duty (1/3 bias)
• On-chip split resistor for LCD drive can be specified by mask option
Timer
5 channels
• 8-bit timer/event counter: 1 channel
• 8-bit timer counter: 2 channels (can be used as the 16-bit timer counter, carrier
generator, and timer with gate)
• Basic interval timer/watchdog timer: 1 channel
• Watch timer: 1 channel
Serial interface
• 3-wire serial I/O mode ... MSB or LSB can be selected for transferring first bit
• 2-wire serial I/O mode
• SBI mode
Bit sequential buffer (BSB)
16 bits
Clock output (PCL)
Φ, 524, 262, 65.5 kHz (@ 4.19-MHz operation with system clock)
Φ, 750, 375, 93.8 kHz (@ 6.0-MHz operation with system clock)
Buzzer output (BUZ)
• 2, 4, 32 kHz (@ 4.19-MHz operation with system clock)
• 2.93, 5.86, 46.9 kHz (@ 6.0-MHz with system clock)
Vectored interrupts
External: 2, Internal: 5
Test input
External: 1, Internal: 1
System clock oscillator
Ceramic or crystal oscillator for system clock oscillation
Standby function
STOP/HALT mode
Power supply voltage
VDD = 1.8 to 5.5 V
Package
48-pin plastic shrink SOP (375 mils, 0.65-mm pitch)


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