NEC PD78P214 Manuale Utente

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Chapter 5   Port Functions
5
(vi) AN6 and AN7 (analog input)
These pins receive analog signals for the A/D converter.
5.7.1  Hardware Configuration
Fig. 5-34 through 5-37 show the hardware configuration of port 6.
Fig. 5-34  Block Diagram of P60 through P63 (Port 6)
P6n
n = 0, 1, 2, 3
WR
MM6
Memory expansion mode register
MM6
RD
MM6
WR
P6
Output latch
P6n
WR
PM6
Port 6 mode register
PM6n
RD
P6
Memory reference 
instruction without "&"
Memory reference 
instruction with "&"
Internal bus