upd70f3402 Renesas Electronics Corporation., upd70f3402 Datasheet - Page 55

• Manufacturer Part Number: upd70f3402
• Description: 32-/16-bit Single-chip Microcontroller With Can Interface
• Manufacturer: Renesas Electronics Corporation.

(11) PDL0 to PDL13 (port DL) … Bi-directional I/O
Port DL is a 14-bit I/O port for which input and output can be set in 1-bit units.
During flash memory programming (corresponding to input of high level to FLMD0), PDL5 func-
tions as the FLMD1 pin. At this time, be sure to input a low level to the FLMD1 pin.
(a) Port mode
PDL0 to PDL13 can be set to input or output in 1-bit units with the port DL mode register (PMDL).
(b) Control mode
PDL0 to PDL13 can be set to control modes in 1-bit units using port mode control register DL
(PMCDL).
- AD0 to AD13 (address/data bus 0 to 15) … Bi-directional I/O
These form an address/data multiplexed bus during external access. In the multiplexed bus
mode, they function as address output or data I/O, and in the separate bus mode, they
function as data I/O.
User’s Manual U16702EE3V2UD00
Chapter 2 Pin Functions
55