r8a77850anbg Renesas Electronics Corporation., r8a77850anbg Datasheet - Page 48

• Manufacturer Part Number: r8a77850anbg
• Description: Renesas 32-bit Risc Microcomputer Superh? Risc Engine Family
• Manufacturer: Renesas Electronics Corporation.

1. Overview
Rev.1.00 Jan. 10, 2008 Page 18 of 1658
REJ09B0261-0100
No. Pin Name
181 D63/AD31
182 WE4/CBE0
183 WE5/CBE1
184 WE6/CBE2
185 WE7/CBE3
186 PCIFRAME/
187 IRDY/HSYNC
188 TRDY/DISP
189 IDSEL
190 LOCK/ODDF
191 DEVSEL/
192 PAR
193 STOP/CDE
194 SERR
195 PERR
196 REQ0/REQOUT I/O
197 GNT0/GNTIN
198 REQ1
VSYNC
DCLKOUT
I/O
IO/IO
O/IO
O/IO
O/IO
O/IO
IO/IO
IO/IO
IO/O
I
IO/IO
IO/O
IO
IO/O
IO
IO
O/I
I
Function
Local bus data 63/PCI
address data 31
Write enable 4/PCI
command/byte enable 0
Write enable 5/PCI
command/byte enable 1
Write enable 6/PCI
command/byte enable 2
Write enable 7/PCI
command/byte enable 3
PCI cycle frame/VSYNC
output
PCI initiator ready/HSYNC
output
PCI target ready/display
period
PCI configuration device
select
PCI lock/even-odd field
PCI device select/DU dot
clock output
PCI parity
PCI transaction stop/color
detection
PCI system error
PCI parity error
Bus request 0 (PCI host)/
bus request output
PCI bus grant 0
PCI request 1 (PCI host)
No. Pin Name
199 REQ2
200 REQ3
201 GNT1
202 GNT2
203 GNT3/MMCCLK O/O
204 PCIRESET
205 PCICLK/
206 INTA
207 EXTAL
208 XTAL
209 PRESET
210 NMI
211 IRL0
212 IRL1
213 IRL2
214 IRL3
215 STATUS0/
216 STATUS1/
DCLKIN
DRAK0
DRAK1
I/O
I
I
O
O
O
I/I
IO
I
O
I
I
I
I
I
I
O/O
O/O
Function
Bus request 2 (PCI host)
Bus request 3 (PCI host)
Nonmaskable interrupt
IRL interrupt request 0
IRL interrupt request 1
IRL interrupt request 2
IRL interrupt request 3
Status 0/DMA channel 0
Status 1/DMA channel 1
PCI bus grant 1
PCI bus grant 2
PCI bus grant 3/MMCIF card
clock output
PCI reset (RST)
PCI input clock/DU dot clock
input
PCI interrupt A
External input clock/Crystal
resonator
Crystal resonator
Power on reset
transfer request
acknowledge 0
transfer request
acknowledge 1