9 SRAM CONTROLLER (SRAMC)
S1C33L26 TECHNICAL MANUAL
Seiko Epson Corporation
9-13
#CE[10:4] Device Configuration Register (SRAMC_TYPE)
Register name Address
Bit
Name
Function
Setting
Init. R/W
Remarks
#CE[10:4]
Device
Configuration
Register
(SRAMC_TYPE)
0x302228
(32 bits)
D31–14 –
reserved
–
–
–
0 when being read.
D13–12 CE10TYPE
[1:0]
#CE10 device type
CE
x
TYPE[1:0]
Device type
0x0 R/W
0x3–0x2
0x1
0x0
8-bit device
16-bit BSL type
16-bit A0 type
D11–10 CE9TYPE
[1:0]
#CE9 device type
0x0 R/W
D9–8 CE8TYPE
[1:0]
#CE8 device type
0x0 R/W
D7–6 CE7TYPE
[1:0]
#CE7 device type
0x0 R/W
D5–4 –
reserved
–
–
–
0 when being read.
D3–2 CE5TYPE
[1:0]
#CE5 device type
CE
x
TYPE[1:0]
Device type
0x0 R/W
0x3–0x2
0x1
0x0
8-bit device
16-bit BSL type
16-bit A0 type
D1–0 CE4TYPE
[1:0]
#CE4 device type
0x0 R/W
D[31:14], D[5:4]
Reserved
D[13:12], D[11:10], D[9:8], D[7:6], D[3:2], D[1:0]
CE
x
TYPE[1:0]: #CE
x
Device Type Bits
Selects the device type for each #CE area.
7.5 Device Type Selections
Table 9.
CE
x
TYPE[1:0]
Device type
Pins to be used
0x3–0x2
8-bit device
A[25:0], D[7:0], #CE
x
, #RD, #WRL
0x1
16-bit BSL device A[25:1], D[15:0], #CE
x
, #RD, #WRL, #BSL(A0), #BSH
0x0
16-bit A0 device
A[25:1], D[15:0], #CE
x
, #RD, #WRL, #WRH
(Default: 0x0)