UPD784915B Datasheet, PDF (30/86 Pages) NEC – 16-BIT SINGLE-CHIP MICROCONTROLLERS

µPD784915B, 784916B
Figures 3-6 and 3-7 show the block diagrams of RTP0 and RTP8.
Figure 3-8 shows the types of RTP output trigger sources.
Figure 3-6. Block Diagram of RTP0
Internal bus
8
4
4
Real-time output port 0
control register
Buffer register
P0H
P0L
8
INTP0
INTCR01
INTCR02
Output trigger
Control circuit
4
4
Output latch (P0)
P07
P00
Remark INTCR01: TM0-CR01 coincidence signal
INTCR02: TM0-CR02 coincidence signal
Figure 3-7. Block Diagram of RPT8
Internal bus
8
8
8
Head amplifier output control register (HAPC)
0
0
SEL SEL SEL PB PB PB
ROTCHASW ENV MOD2 MOD1 MOD0
Port 8 buffer register L (P8L)
0
0
0
P8L4
SEL
MD80
P8L2
0
P8L0
TRGP80
TM0-CR00
coincidence signal
HASW, ROT-C
control circuit
PMC80
0
PMC82
PMC83
PMC8
Output latch (P8)
Pseudo VSYNC output
control circuit
HSYNC
superimposition
circuit
P83 P82 P80
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