HD6432633 Datasheet, PDF (559/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

Pin
Selection Method and Pin Functions
PF3/LWR/ADTRG/ The pin function is switched as shown below according to the operating mode,
IRQ3
the bus mode, A/D converter bits TRGS1 and TRGS0, and bit PF3DDR.
Operating
mode
Modes 4 to 6
Mode 7
Bus mode
16-bit bus
8-bit bus mode
—
mode
PF3DDR
—
0
1
0
1
Pin function LWR output PF3 input PF3 output PF3 input PF3 output
pin
pin
pin
pin
pin
ADTRG input pin*¹
PF2/ WAIT/
BREQO
IRQ3 input pin*²
Notes: *1 ADTRG input when TRGS0 = TRGS1 = 1.
*2 When used as an external interrupt input pin, do not use as an I/O
pin for another function.
The pin function is switched as shown below according to the combination of
the operating mode and bits BREQOE, WAITE, ABW5 to ABW2, and
PF2DDR.
Operating
Mode
Modes 4 to 6
Mode 7
BREQOE
0
1
—
WAITE
0
1
—
—
PF2DDR
Pin function
0
PF2
input
pin
1
PF2
output
pin
—
WAIT
input
pin
—
BREQO
output
pin
0
PF2
input
pin
1
PF2
output
pin
PF1/BACK
The pin function is switched as shown below according to the combination of
the operating mode and bits BRLE and PF1DDR.
Operating
Mode
Modes 4 to 6
Mode 7
BRLE
0
1
—
PF1DDR
Pin function
0
PF1 input
pin
1
—
PF1 output BACK
pin
output pin
0
PF1 input
pin
1
PF1 output
pin
505