HD64F2168 Datasheet, PDF (229/874 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer

8.2.4 Pin Functions
The relationship between register setting values and pin functions are as follows in each operating
mode.
Extended Mode (EXPE = 1):
The function of port 2 pins is switched as shown below according to the combination of the
CS256E and IOSE bits in SYSCR, the ADFULLE and CPCSE bits in BCR2 of BSC, and the
P2nDDR bit.
Addresses 13 and 11 in the following table are expressed by the following logical expressions:
Address 13 = 1:ADFULLE • CS256E • (CPCSE  IOSE)
Address 11 = 1:ADFULLE • CS256E • CPCSE • IOSE
P2nDDR
ADMXE
Address 13
Pin function
[Legend]
n = 7 to 5
0
0
1


P27 to P25
input pins
AD15 to
AD13
input/output
pins
1
0
0
1
A15 to A13 P27 to P25
output pins output pins
1

AD15 to AD13
input/output pins
P24DDR
ADMXE
Address 11
Pin function
0
0
1


P24 input pin AD12
input/output
pin
1
0
0
1
A12 output P24 output
pin
pin
1

AD12 input/output pin
P23DDR
ADMXE
Address 11
Pin function
0
0
1


P23 input pin AD11
input/output
pin
1
0
0
1
A11 output P23 output
pin
pin
1

AD11 input/output pin
Rev. 3.00, 03/04, page 189 of 830