TX4939XBG-400 Datasheet, PDF (160/740 Pages) Toshiba Semiconductor – 64-Bit TX System RISC TX49 Family

Configuration
Toshiba RISC Processor
TX4939
7.2.12. GPIO Data Register 1 (GPIODR1)
0xE108
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48
RESERVED
G0PD[29:16]
R/W
0x????
: R/W
: Default
47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
G0PD[15:0]
R/W
0x????
: R/W
: Default
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
RESERVED
GPD[23:16]
R/W
0x????
: R/W
7
: Default
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
GPD[15:0]
R/W
0x????
: R/W
: Default
Figure 7-12 GPIODR1 Register
Table 7-13 GPIODR1 Register
Bit Mnemonic Field Name
Description
63:62 G0PD
G0P Data
Reserved
61:32 G0PD
G0P Data
G0PIO29 – G0PIO00 Data/Status
Initial Value
0x?
0x????_????
R/W
R/W
R/W
When Write to these bits:
- If G0PM = 0 then
if G0PD = 0, GPIOC drives LOW
if G0PD = 1, GPIOC tri-state (default)
- if G0PM = 1 then
if G0PD = 0, GPIOC drives LOW
if G0PD = 1, GPIOC drives HIGH (default)
31:24 GPD
23:0 GPD
When read these bits, the read data are from the G0PIO
signals.
GP Data
Reserved
0x??
R/W
GP Data
GPIO23 – GPIO00 Data/Status
0x??_????
R/W
When Write to these bits:
- If GPM = 0 then
if GPD = 0, GPIOC drives LOW
if GPD = 1, GPIOC tri-state (default)
- if GPM = 1 then
if GPD = 0, GPIOC drives LOW
if GPD = 1, GPIOC drives HIGH (default)
When read these bits, the read data are from the GPIO
signals.
Rev. 3.1 November 1, 2005
7-22