HD6412373R RENESAS [Renesas Technology Corp], HD6412373R Datasheet - Page 595

• Manufacturer Part Number: HD6412373R
• Description: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2300 Series
• Manufacturer: RENESAS [Renesas Technology Corp]

10.13.4 Port E Pull-up Control Register (PEPCR)
PEPCR controls on/off states of the input pull-up MOS of port E. PEPCR is valid in 8-bit bus
mode.
Bit
0
10.13.5 Pin Functions
Port E pins also function as the pins for data I/Os. The correspondence between the register
specification and the pin functions is shown below.
• PE7/D7, PE6/D6, PE5/D5, PE4/D4, PE3/D3, PE2/D2, PE1/D1, PE0/D0
Legend: n = 7 to 0
7
6
5
4
3
2
1
Operating
mode
Bus mode
EXPE
PEnDDR
Pin function
The pin function is switched as shown below according to the operating mode, bus mode, bit
EXPE, and bit PEDDR.
Bit Name
PE7PCR
PE6PCR
PE5PCR
PE4PCR
PE3PCR
PE2PCR
PE1PCR
PE0PCR
input
PEn
8-bit space
0
All areas
Initial Value
⎯
output
PEn
1
1, 2, 4
0
0
0
0
0
0
0
0
At least one
area 16-bit
Data I/O
space
⎯
⎯
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
input
Description
When PEDDR = 0 (input port), the input pull-up
MOS of the input pin is on when the corresponding
bit is set to 1.
PEn
0
⎯
0
output
PEn
Rev.7.00 Mar. 18, 2009 page 527 of 1136
1
input
PEn
8-bit space
0
All areas
1
7
output
PEn
1
Section 10 I/O Ports
REJ09B0109-0700
At least one area
16-bit space
Data I/O
⎯
1