Block Diagram Of Port 5 - Fujitsu F2MC-8L F202RA Hardware Manual

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Block Diagram of Port 5

PDR read
PDR read
(when read-modify-write is
performed)
PDR write
DDR write
DDR read
PUL read
PUL write
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Registers of Port 5
The registers PDR5, DDR5, and PUL5 are associated with port 5.
One of the bits of these registers corresponds to one pin of port 5.
Table 4.5-2 tabulates the correspondence between the pin and a bit of the port 5 registers.
Table 4.5-2 Correspondence between the Pin and a Bit of the Port 5 Registers
Port name
PDR5, DDR5, PUL5
Port 5
Pin corresponding to bit
Figure 4.5-1 Block Diagram of Port 5
PDR
Output from
peripheral Output
Output latch
DDR
Stop mode (SPL = 1)
PUL
Bits of associated registers and corresponding pins
bit7
-
Stop mode (SPL = 1)
enable
from
peripheral
P-ch
N-ch
bit6 bit5 bit4
- - -
CHAPTER 4 I/O PORTS
Pull-up resistor
Pin
bit3 bit2 bit1
- - -
bit0
P50
95