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CHAPTER 2 PIN FUNCTIONS
User’s Manual U14701EJ3V0UD
2.2.9 P80 to P87 (Port 8)
Notes 1, 2
These are 8-bit output-only ports. Besides serving as output ports, they function as segment signal output (for
dynamic display) of the LCD controller/driver. Either the output port or segment signal output function can be selected
by setting the pin function switching register 8 (PF8)
Note 3
.
(1) Port mode
These ports function as 8-bit output-only ports.
(2) Control mode
These ports function as segment signal output pins (S32 to S39) (for dynamic display) of the LCD controller/driver.
Notes 1.
These ports are not provided in the
μ
PD780336 and 780338.
2.
Port 8 and segment signal output pins vary depending on the product.
Pin Function
μ
PD780316, 780318
P80 to P87
μ
PD780326, 780328
μ
PD780336, 780338
S32 to S39
μ
PD78F0338
P80/S32 to P87/S39
3.
Pin function switching register 8 (PF8) is provided for the
μ
PD78F0338 only.
2.2.10 P90 to P97 (Port 9)
Notes 1, 2
These are 8-bit output-only ports. Besides serving as output ports, they function as segment signal output (for
dynamic display) of the LCD controller/driver. Either the output port or segment signal output function can be selected
by setting the pin function switching register 9 (PF9)
Note 3
.
(1) Port mode
These ports function as 8-bit output-only ports.
(2) Control mode
These ports function as segment signal output pins (S24 to S31) (for dynamic display) of the LCD controller/driver.
Notes 1.
These ports are not provided in the
μ
PD780326, 780328, 780336, and 780338.
2.
Port 9 and segment signal output pins vary depending on the product.
Pin Function
μ
PD780316, 780318
P90 to P97
μ
PD780326, 780328
S24 to S31
μ
PD780336, 780338
μ
PD78F0338
P90/S24 to P97/S31
3.
Pin function switching register 9 (PF9) is provided for the
μ
PD78F0338 only.