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H8S/2224 Scheda tecnica(PDF) 439 Page - Renesas Technology Corp

Il numero della parte H8S/2224
Spiegazioni elettronici  16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series
PDF  1071 Pages
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Produttore elettronici  RENESAS [Renesas Technology Corp]
Homepage  http://www.renesas.com
Logo RENESAS - Renesas Technology Corp

H8S/2224 Scheda tecnica(HTML) 439 Page - Renesas Technology Corp

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Section 10 I/O Ports
Rev. 5.00 Aug 08, 2006 page 353 of 982
REJ09B0054-0500
• PF3/LWR/ADTRG/IRQ3
The pin functions are switched as shown below according to the combination of operating
mode and the PF3DDR bit.
Operating mode
Modes 4 to 6
Mode 7
Bus mode
16-bit bus
mode
8-bit bus mode
PF3DDR
0101
PF3 input pin
PF3 output
pin
PF3 input pin
PF3 output
pin
ADTRG input pin*1
Pin functions
LWR output
pin
IRQ3 input pin*2
Notes: 1. When TRGS0 and TRGS1 are set to 1, this pin is
ADTRG input.
2. When this pin is used as an external interrupt pin, do not specify other functions.
• PF2/WAIT
The pin functions are switched as shown below according to the combination of operating
mode, the WAITE bit, and the PF2DDR bit.
Operating mode
Modes 4 to 6
Mode 7
WAITE
0
1
PF2DDR
0
1
01
Pin functions
PF2 input pin
PF2 output
pin
WAIT input
pin
PF2 input pin
PF2 output
pin
• PF1/BACK/BUZZ
The pin functions are switched as shown below according to the combination of operating
mode, the BUZZ bit in PFCR, and the PF1DDR bit.
Operating
mode
Modes 4 to 6
Mode 7
BRLE
0
1
BUZZE
0
1
01
PF1DDR
0
1

01
Pin
functions
PF1
input pin
PF1
output
pin
BUZZ
output
pin
BACK
output
pin
PF1
input pin
PF1
output
pin
BUZZ
output pin



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