r8a66597 Renesas Electronics Corporation., r8a66597 Datasheet - Page 35

• Manufacturer Part Number: r8a66597
• Description: Assp Usb2.0 2 Port Host/1 Port Peripheral Controller
• Manufacturer: Renesas Electronics Corporation.

R8A66597FP/DFP/BG
2.7 Bus Interface Control
Remarks
2.7.1
2.7.2
R e v 1 . 0 1
♦ Data pin configuration register [PINCFG]
14-1 Unassigned. Fix to "0".
LDRV
Bit
15
0
15
0
-
LDRV
Output pin drive current control
INTA
INT_N active settings
Output pin drive current control bit (LDRV)
For this bit, write the value that matches the VIF power supply. The following are the output pins to be controlled using
the drive current according to this bit: SD7-0, D15-0, INT_N, DREQx_N, DENDx_N and SOF_N pins.
Write to this bit after resetting the hardware and do not modify it during controller operations.
INT_N active setting bit (INTA)
Set the active (low/high) for interrupt output from INT_N that matches the interrupt input specifications of the CPU for
control.
Write to this bit after resetting the hardware, and do not modify it during controller operations.
14
?
?
O c t 1 7 , 2 0 0 8
13
?
?
Name
12
?
?
p a g e 3 5 o f 1 8 3
11
?
?
10
?
?
0: When VIF=1.6-2.0V
1: When VIF=2.7-3.6V
Sets active of interrupt output from INT_N pin.
0: Low active
1: High active
9
?
?
8
?
?
Function
7
?
?
6
?
?
5
?
?
4
?
?
Software Hardware Remarks
3
?
?
R/W
R/W
2
?
?
<Address: 0EH>
R
R
1
?
?
INTA
0
0
-