Pin Configuration Register (Pcfg) 0Xe010 - Toshiba TX49 TMPR4937 Manual

5.2.3 Pin Configuration Register (PCFG)
For the bit fields whose initial values are set by boot configuration (refer to Section 3.2), the initial
input signal level and the corresponding register value are indicated.
63
Reserved
47 45 44
DRVCS[2:0] DRVCK[3:0]
R/W
ADDR[5]
31 30 29 28
Reserved SDCLKDLY
SYSCLKEN
R/W R/W
00
15
Reserved
Bit Mnemonic Field Name
⎯
63:57 Reserved
56 DRVDATA DATA Signal
Control
55 DRVCB CB Signal
Control
54 DRVDQM DQM Signal
Control
53 DRVADDR ADDR Signal
Control
52 DRVCKE CKE Signal
Control
51 DRVRAS RAS Signal
Control
50 DRVCAS CAS Signal
Control
57 56
DRVCB DRVDQM
DRVDATA
R/W R/W
ADDR[4] ADDR[4] ADDR[4] ADDR[5] ADDR[5] ADDR[5] ADDR[5] ADDR[5] ADDR[5]
41 40
DRVCKIN
R/W R/W
ADDR[5]
ADDR[5]
27 26
SDCLKEN[3:0]
R/W
1 1111
10 9 8
SEL2 SEL1
R R
ADDR[9] ADDR[18]
Specifies the driving capability of the DATA[63:0] signals.
L : 0 = 8 mA
H : 1 = 16 mA
Specifies the driving capability of the CB[7:0]* signals.
L : 0 = 8 mA
H : 1 = 16 mA
Note: CB[7:0}* share pins with PIO[15:8], E0TXD[3:0],
E0RXD[3:0].
The driving capability of these pins are below.
CB[7:0], E0TXD[3:0], E0RXD[3:0]: 8 mA or 16 mA
PIO[15:8]:
Specifies the driving capability of the DQM[7:0]* signals.
L : 0 = 8 mA
H : 1 = 16 mA
Specifies the driving capability of the ADDR[19:0] signals.
L : 0 = 8 mA
H : 1 = 16 mA
Specifies the driving capability of the CKE signal.
L : 0 = 8 mA
H : 1 = 16 mA
Specifies the driving capability of the RAS* signal.
L : 0 = 8 mA
H : 1 = 16 mA
Specifies the driving capability of the CAS* signal.
L : 0 = 8 mA
H : 1 = 16 mA
Figure 5.2.3 Pin Configuration Register (1/3)
Chapter 5 Configuration Registers
0xE010
55 54 53 52
DRVCKE DRVRAS DRVCAS DRVWE
DRVADDR
R/W R/W R/W R/W
39
Reserved
23 22 21
PCICLKEN[5:0]
SDCLKINEN
R/W
0
7
DMASEL3 DMASEL2
R/W R/W
00 00
Description
⎯
8 mA only
5-7
51 50 49 48
DRVCS[3]
R/W R/W R/W : Type
: Initial value
33 32
BYPASSPLL
R : Type
: Initial value
BYPASSPLL*
16
R/W : Type
111111 : Initial value
0
DMASEL1 DMASEL0
R/W R/W : Type
00 00 : Initial value
Initial Value Read/Write
⎯ ⎯
ADDR[4] R/W
ADDR[4] R/W
ADDR[4] R/W
ADDR[5] R/W
ADDR[5] R/W
ADDR[5] R/W
ADDR[5] R/W