HD6413003RVF RENESAS [Renesas Technology Corp], HD6413003RVF Datasheet - Page 294

• Manufacturer Part Number: HD6413003RVF
• Description: microcontroller (MCU)
• Manufacturer: RENESAS [Renesas Technology Corp]

9.10 Port C
9.10.1 Overview
Port C is an 8-bit input/output port that is also used for DMAC input and output (DREQ
TEND
functions in all operating modes. Figure 9-13 shows the pin configuration of port C.
Pins in port C can drive one TTL load and a 90-pF capacitive load. They can also drive a
darlington transistor pair.
9.10.2 Register Descriptions
Table 9-17 summarizes the registers of port C.
Table 9-17 Port C Registers
Address*
H'FFD5
H'FFD7
Note: * Lower 16 bits of the address.
3
, TEND
2
Name
Port C data direction register
Port C data register
), CS
Port C
7
to CS
Figure 9-13 Port C Pin Configuration
4
output, and IRQ
Port C pins
PC (input/output)/IRQ (input)
PC (input/output)/IRQ (input)
PC (input)/DREQ (input)/CS (output)
PC (input)/TEND (output)/CS (output)
PC (input)/DREQ (input)/CS (output)
PC (input)/TEND (output)/CS (output)
PC (input/output)
PC (input/output)
7
6
5
4
3
2
1
0
7
276
and IRQ
Abbreviation
PCDDR
PCDR
3
2
6
3
2
input. Port C has the same set of pin
7
6
7
5
6
4
R/W
W
R/W
Initial Value
H'00
H'00
3
, DREQ
2
,