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H8S/2224 Scheda tecnica(PDF) 416 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) 416 Page - Renesas Technology Corp

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Section 10 I/O Ports
Rev. 5.00 Aug 08, 2006 page 330 of 982
REJ09B0054-0500
10.6.6
Pin Functions
Port A pins also function as an address output pin and SCI_2* I/O pins. The relationship between
the value of register and pin is shown as below.
Note: * Not available in the H8S/2227 Group.
• PA3/A19/SCK2
The pin functions are switched as shown below according to the combination of operating mode,
AE3 to AE0 bits in PFCR, the C/A in SMR_2 of SCI_2*2, CKE1 and CKE0 bits in SCR_2,
and the PA3DDR bit.
Operating mode
Modes 4 to 6
AE3 to AE0
B'11xx
Other than B'11xx
CKE1
01
C/
A*2
01
—
CKE0
01
—
—
PA3DDR
01
—
—
—
Pin functions
A19
output
pin
PA3 input
pin
PA3 output
pin*
1
SCK2*
2
output
pin*
1
SCK2*
2
output
pin*
1
SCK2*
2
input pin
Operating
mode
Mode 7
AE3 to AE0
CKE1
0
1
C/
A*2
01
CKE0
0
1

PA3DDR
0
1

Pin functions
PA3 input pin
PA3 output
pin*
1
SCK2*
2
output pin*
1
SCK2*
2
output pin*
1
SCK2*
2 input
pin
Notes: 1. When PA3ODR in PAODR is set to 1, the corresponding pin functions as NMOS open
drain output.
2. Not available in the H8S/2227 Group.



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