HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 56

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Rev. 1.00, 02/04, page 18 of 804
Pin No.
P10
P11
P12
P13
P14
P15
P16
P17
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15
R16
R17
Pin Name
Vcc (I/O)
A15
Vcc (I/O)
PTD3/A21
PTB4/RAS
Vcc (I/O)
Vss
WAIT
Vss
REG_PD_MAIN
D10
Vcc (I/O)
D14
Vss
A4
Vss
A11
REG_PD_BGR
A14
A18
PTD2/A20
Vcc (I/O)
PTB2/CKE
WE0/DQM0
WE1/DQM1
Description
Power supply for I/O (3.3 V)
Address bus (bit 15)
Power supply for I/O (3.3 V)
Port D/address bus (bit 21)
The A21 output is valid in the initial state.
Port B/RAS (SDRAM) output
The RAS output is valid in the initial state.
Power supply for I/O (3.3 V)
Power supply (0 V)
Hardware wait request
This pin is internally pulled up.
Power supply (0 V)
This pin should be fixed to high when the external power
supply is used for the internal power (VDD=1.5V). This
pin should be open when the internal power supply
regulator is used.
Data bus (bit 10)
Power supply for I/O (3.3 V)
Data bus (bit 14)
Power supply (0 V)
Address bus (bit 4)
Power supply (0 V)
Address bus (bit 11)
This pin should be fixed to high when the external power
supply is used for the internal power (VDD=1.5V). This
pin should be open when the internal power supply
regulator is used.
Address bus (bit 14)
Address bus (bit 18)
Port D/address bus (bit 20)
The A20 output is valid in the initial state.
Power supply for I/O (3.3 V)
Port B/clock enable (SDRAM) output
The CKE output is valid in the initial state.
D7 to D0 select signal/DQM (SDRAM) output
D15 to D8 select signal/DQM (SDRAM) output