Ricoh AR-B1045 Benutzerhandbuch
AR-B1045 User’s Guide
AR-B1045
7
2.2 Operation mode selection
• J1 : jumper setting
•
Operation mode description
2.3 Voltage selection
•
JP1 : Chip Voltage selection
Note: RICOH R5C486 ->2.5V，R5C586 -> 3.3V
Pin
DESCRIPTION
1-2,3-4 open
Mode 0
1-2 open,3-4 short
Mode 1
1-2 short,3-4 open
Mode 2
1-2,3-4 short
Mode 3
PCICLK
IDSEL
INT 0
INT 1
REQ
GNT
Mode 0
PCICLK0
AD20
A
B
REQ0
GNT0
Mode 1
PCICLK1
AD21
B
C
REQ1
GNT1
Mode 2
PCICLK2
AD22
C
D
REQ2
GNT2
Mode 3
PCICLK3
AD23
D
A
REQ3
GNT3
PIN
DESCRIPTION
1-2
+3.3V
2-3
+2.5V