2.3 Ravin-L Pin Functions
For Ravin-L only a single pinout is available. It is set up by the following register
setting:
If SYSBOOTMODE.BOOTMODE9 = 0 (IRAM disabled): SYSPINMUX = 00ED 0003
H
PINMUX[3:0] = 0011
B
pinout option 3 (fixed)
all SMUXm = 0
no SMUX selection (fixed)
BUFPUEN[7:0] = ED
H
internal pull-up resistors enabled for
-
group 7: HINT, HLBDRQ, HLBCS, MDFBCLK
-
group 6: n.c.
-
group 5: n.c.
-
group 3: n.c.
-
group 2: n.c.
-
group 0: n.c.
If SYSBOOTMODE.BOOTMODE9 = 1 (IRAM enabled): SYSPINMUX = 00FD 0003
H
PINMUX[3:0] = 0011
B
pinout option 3 (fixed)
all SMUXm = 0
no SMUX selection (fixed)
BUFPUEN[7:0] = FD
H
internal pull-up resistors enabled for
-
group 7: HINT, HLBDRQ, HLBCS, MDFBCLK
-
group 6: n.c.
-
group 5: n.c.
-
group 4: n.c.
-
group 3: n.c.
-
group 2: n.c.
-
group 0: n.c.
Features
The Ravin-L pinout provides following features:
•
8-bit LBus Host-I/F
-
multiplexed address/data bus HLBD[7:0]
•
Video Output I/F 0
-
18-bit RGB(6/6/6)
-
composite VO0CSYNC or separate VO0HSYNC/VO0VSYNC
•
16-bit SDRAM/SRAM-I/F
Chapter 2
Pin Functions
30
Preliminary User's Manual S19203EE1V3UM00
Содержание uPD72257
Страница 39: ...Pin Functions Chapter 2 Preliminary User s Manual S19203EE1V3UM00 39...
Страница 44: ...Chapter 2 Pin Functions 44 Preliminary User s Manual S19203EE1V3UM00...
Страница 46: ...Chapter 2 Pin Functions 46 Preliminary User s Manual S19203EE1V3UM00...
Страница 49: ...Pin Functions Chapter 2 Preliminary User s Manual S19203EE1V3UM00 49...
Страница 52: ...Chapter 2 Pin Functions 52 Preliminary User s Manual S19203EE1V3UM00...
Страница 54: ...Chapter 2 Pin Functions 54 Preliminary User s Manual S19203EE1V3UM00...
Страница 331: ...External Memory Interface Controller Chapter 9 Preliminary User s Manual S19203EE1V3UM00 331...
Страница 343: ......