Microcomputer
8/16-Bit Single Chip Microcomputer
s
78K/IV series (2/2)
Type number
Number of instructions
Minimum instruction
execution cycle
Internal
memory
Inter-
rupts
ROM size
RAM size
External sources
Internal sources
Inputs
I/O
pins
Outputs
Input/output ports
A/D converter
48K bytes
1280 bytes
9
20
8
0
46
8-bit resolution
12 channels
CTL amplifier, RECCTL driver
CFG amplifier
DFG amplifier, DPG comparater, DPFG separation circuit
Reel-FG comparater (2 channels)
Csync comparater
22-bit FRC counter
1
16-bit timer
6
8-bit counter
2
5-bit UDC counter
1
16-bit PWM
3 (carrier freq.: 62.5 kHz)
18-bit
PWM
3 (carrier freq.: 62.5 kHz)
Clock synchronized
2 channels
• System-control and servo-control and timer-control for VCR
• Super-timer-unit and Analog circuit for software servo control application such as VCR
• CPU operation by subsystem clock (Low power operation)
• 100-pin QFP (14
20 mm)
5
:
µ
PD784915
5
113
250 ns/ 16 MHz
µ
PD78P4916
5
62K bytes (PROM)
2048 bytes
Analog circuit for VCR
Timer/Counter
PWM output
Serial interface
Features
Package
Under development
53
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