UPD784915AGF View Datasheet(PDF) - NEC => Renesas Technology

Part Name

Description

Manufacturer

UPD784915AGF

16-BIT SINGLE-CHIP MICROCONTROLLERS

NEC => Renesas Technology 

µPD784915A, 784916A

Function List (1/2)

Item

Internal ROM capacity

Internal RAM capacity

Operating clock

Minimum instruction ex-

ecution time

I/O ports

Real-time output port

Timer/counter

Capture register

Super

timer

unit

VCR special circuit

General-purpose

timer

PWM output

Serial interface

A/D converter

µPD784915A

µPD784916A

48 Kbytes

64 Kbytes

1280 bytes

16 MHz (internal clock: 8 MHz)

Low frequency oscillation mode: 8 MHz (internal clock: 8 MHz)

Low power dissipation mode: 32.768 kHz (subsystem clock)

250 ns (with 8-MHz internal system clock)

input : 8

54

I/O : 46

11 (including one each for pseudo VSYNC, head amplifier switch, and chrominance

rotation)

Timer/counter Compare register Capture register

Remark

TM0 (16 bits)

3

-

TM1 (16 bits)

3

1

FRC (22 bits)

-

6

TM3 (16 bits)

2

1

UDC (5 bits)

1

-

EC (8 bits)

4

-

For HSW signal generation

EDV (8 bits)

1

-

For CFG signal division

Input signal Number of bits Measurable cycle Operating edge

CFG

22

125 ns to 524 ms

↑↓

DFG

22

125 ns to 524 ms

↑

HSW

16

1 µs to 65.5 ms

↑↓

VSYNC

22

125 ns to 524 ms

↑

CTL

16

1 µs to 65.5 ms

↑↓

TREEL

22

125 ns to 524 ms

↑↓

SREEL

22

125 ns to 524 ms

↑↓

• VSYNC separation circuit, HSYNC separation circuit

• VISS detection, wide aspect detection circuits

• Field identification circuit

• Head amplifier switch/chroma rotation output circuit

Timer

Compare register

Capture register

TM2 (16 bits)

1

-

TM4 (16 bits)

1 (capture/compare)

1

TM5 (16 bits)

1

-

• 16-bit accuracy : 3 channels (carrier frequency: 62.5 kHz)

• 8-bit accuracy : 3 channels (carrier frequency: 62.5 kHz)

3-wire serial I/O: 2 channels

• BUSY/STRB control (1 channel only)

8-bit resolution x 12 channels, conversion time: 10 µs

3

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