tsc693e ETC-unknow, tsc693e Datasheet - Page 52

• Manufacturer Part Number: tsc693e
• Description: Memory Controller
• Manufacturer: ETC-unknow

Software Reset Register
Write only with any data. A write to this register will cause the MEC to issue the
RESET* signal if the software reset function is enabled in the MEC Control register.
If the software reset function is not enabled, a write to this register will have no effect.
Power Down Register
Write only with any data. A write to this register will cause the system to enter power
down mode (see paragraph 3.5.4.) if the power down function is enabled in the MEC
Control Register.
If the power down function is not enabled, a write to this register will have no effect.
Memory Configuration Register
MATRA MHS
Rev. D (10 Apr. 97)
Bits
1-0
2
5-3
6
9-7
12-10
13
14
15
16
Name
RBCS
RBS0
RBR0
RBS1
RBR1 (1)
RSIZ
RPA (3)
REC
Reserved
PWR
Reset value
00
0
000
0
000
000
0
0
0
1
01F8 0004 H
01F8 0008 H
01F8 0010 H
Function
Number of RAM blocks (chip selects used)
00 : MEMCS<0> active
01 : MEMCS<1:0> active
10 : MEMCS<3:0> active
11 : MEMCS<7:0> active
Redundant RAM block0 selected.
0 : not selected
1 : selected
Redundant RAM block0 can replace any of the RAM blocks. The
MEMCS corresponding to the replaced block will be inactive and
MEMCS<8> will be active instead.
000 : MEMCS<0> inactive and replaced
001 : MEMCS<1> inactive and replaced
010 : MEMCS<2> inactive and replaced
011 : MEMCS<3> inactive and replaced
100 : MEMCS<4> inactive and replaced
101 : MEMCS<5> inactive and replaced
110 : MEMCS<6> inactive and replaced
111 : MEMCS<7> inactive and replaced
Redundant RAM block1 selected.
0 : not selected
1 : selected
Redundant RAM block1 can replace any of the RAM blocks. The
MEMCS corresponding to the replaced block will be inactive and
MEMCS<9> will be active instead.
000 : MEMCS<0> inactive and replaced
001 : MEMCS<1> inactive and replaced
010 : MEMCS<2> inactive and replaced
011 : MEMCS<3> inactive and replaced
100 : MEMCS<4> inactive and replaced
101 : MEMCS<5> inactive and replaced
110 : MEMCS<6> inactive and replaced
111 : MEMCS<7> inactive and replaced
RAM size
000 : 256 Kbyte
001 : 512 Kbyte
010 : 1 Mbyte
011 : 2 Mbyte
100 : 4 Mbyte
101 : 8 Mbyte
110 : 16 Mbyte
111 : 32 Mbyte
RAM memory parity protected
1 : enabled
0 : disabled
RAM EDAC protected
1 : enabled
0 : disabled
(Note: When EDAC is enabled parity is enabled independent of RPA)
Not used
PROM write function
1 : enabled if external ROMWRT* present
0 : disabled
TSC693E
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r/w
r
r/w
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