UPD784026 Renesas Electronics Corporation., UPD784026 Datasheet - Page 125
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UPD784026
Manufacturer Part Number
UPD784026
Description
16/8-bit Single-chip Microcontrollers
Manufacturer
Renesas Electronics Corporation.
Datasheet
1.UPD784026.pdf
(759 pages)
- Current page: 125 of 759
- Download datasheet (3Mb)
5.1 DIGITAL INPUT/OUTPUT PORTS
of each port is shown in Table 5-1. For ports 0 to 6, use of an internal pull-up resistor can be specified in software when used
as input ports.
The PD784026 is provided with the ports shown in Figure 5-1, enabling various kinds of control to be performed. The function
* In the PD784021, P40-47, P50-57, P64 and P65 operate only as the address/data bus, address bus, and RD and WR
pins, respectively, and P60 to P63 are output-only port pins.
CHAPTER 5 PORT FUNCTIONS
Figure 5-1 Port Configuration
P20-P27
P07
P17
P37
P47
P57
P67
P77
P00
P10
P30
P40
P50
P60
P70
8
Port 0
Port 1
Port 2
Port 3
Port 4*
Port 5*
Port 6*
Port 7*
85
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