HD6417751 Datasheet, PDF (53/1105 Pages) Renesas Technology Corp – SuperH RISC engine

1.4 Pin Functions
1.4.1 Pin Functions (256-Pin QFP)
Table 1.2 Pin Functions
No. Pin Name I/O Function
Reset
1 TMS
I
Mode
(H-UDI)
2 TCK
I
Clock
(H-UDI)
3 VDDQ
Power IO VDD
4 VSSQ
Power IO GND
5 TDI
I
Data in
(H-UDI)
6 &6
O
Chip select 0
7 &6
O
Chip select 1
8 &6
O
Chip select 4
9 &6
O
Chip select 5
10 &6
O
Chip select 6
11 %6
O
Bus start
12 :(/5(* O
D7–D0
select signal
13 :(
O
D15-D8
select signal
14 D0
I/O Data
15 VDDQ
Power IO VDD
16 VSSQ
Power IO GND
17 VDD
Power Internal VDD
18 VSS
Power Internal GND
19 D1
I/O Data
20 D2
I/O Data
21 D3
I/O Data
22 D4
I/O Data
23 D5
I/O Data
24 D6
I/O Data
25 D7
I/O Data
SRAM
&6
&6
&6
&6
&6
(%6)
:(
:(
Memory Interface
DRAM
SDRAM PCMCIA MPX
&6
&6
&6
&($ &6
&(% &6
(%6)
(%6)
(%6)
(%6)
5(*
:(
A0
A1
A2
A3
A4
A5
A6
A7
Rev. 3.0, 04/02, page 13 of 1064