8-4
MC9328MX1 Reference Manual
MOTOROLA
System Control
8.1.3 Global Peripheral Control Register
The Global Peripheral Control Register (GPCR) controls the driving force parameters of the bus and
several other functions in the MC9328MX1. Descriptions of the register settings appear in Table 8-4.
EXT_BR_EN
Bit 2
External Bus Request Control
—Chooses
whether the external bus request function is
masked or enabled.
Note:
The external bus request is a test signal
and the EXT_BR_EN bit must be clear during
normal operation.
0 = External bus request masked
1 = External bus request enabled
SDCS1_SEL
Bit 1
SDRAM/SyncFlash Chip Select
—Selects the
function of the CS3/CSD1 pin.
0 = CS3 selected
1 = CSD1 selected
SDCS0_SEL
Bit 0
SDRAM/SyncFlash Chip Select
—Selects the
function of the CS2/CSD0 pin.
0 = CS2 selected
1 = CSD0 selected
GPCR
Global Peripheral Control Register
Addr
0x0021B80C
BIT
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
TYPE
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
r
RESET
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0x0000
BIT
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
TE
ST_
E
N
-RE
G
BTAEN
DS_SLOW
DS_CN
T
L
DS_AD
D
R
DS_D
ATA
MMA_PROT_EN
CSI_PROT_EN
TYPE
rw
r
r
rw
rw
rw
rw
rw
rw
rw
rw
rw
r
r
rw
rw
RESET
0
0
0
0
0
0
1
1
1
1
1
1
1
0
1
1
0x03FB
Table 8-3. Function Multiplexing Control Register Description (Continued)
Name
Description
Settings
Summary of Contents for DragonBall MC9328MX1
Page 68: ...1 12 MC9328MX1 Reference Manual MOTOROLA Introduction ...
Page 86: ...2 18 MC9328MX1 Reference Manual MOTOROLA Signal Descriptions and Pin Assignments ...
Page 116: ...3 30 MC9328MX1 Reference Manual MOTOROLA Memory Map ...
Page 126: ...4 10 MC9328MX1 Reference Manual MOTOROLA ARM920T Processor ...
Page 160: ...8 8 MC9328MX1 Reference Manual MOTOROLA System Control ...
Page 272: ...13 32 MC9328MX1 Reference Manual MOTOROLA DMA Controller ...
Page 281: ...Programming Model MOTOROLA Watchdog Timer Module 14 9 ...
Page 282: ...14 10 MC9328MX1 Reference Manual MOTOROLA Watchdog Timer Module ...
Page 300: ...15 18 MC9328MX1 Reference Manual MOTOROLA Analog Signal Processor ASP ...
Page 438: ...18 16 MC9328MX1 Reference Manual MOTOROLA Serial Peripheral Interface Modules SPI 1 and SPI 2 ...
Page 478: ...19 40 MC9328MX1 Reference Manual MOTOROLA LCD Controller ...
Page 574: ...21 32 MC9328MX1 Reference Manual MOTOROLA Memory Stick Host Controller MSHC Module ...
Page 598: ...23 16 MC9328MX1 Reference Manual MOTOROLA Real Time Clock RTC ...
Page 670: ...24 72 MC9328MX1 Reference Manual MOTOROLA SDRAM Memory Controller ...
Page 726: ...25 56 MC9328MX1 Reference Manual MOTOROLA SmartCard Interface Module SIM ...
Page 736: ...26 10 MC9328MX1 Reference Manual MOTOROLA General Purpose Timers ...
Page 854: ...29 18 MC9328MX1 Reference Manual MOTOROLA I2C Module ...
Page 900: ...30 46 MC9328MX1 Reference Manual MOTOROLA Synchronous Serial Interface SSI ...
Page 942: ...32 26 MC9328MX1 Reference Manual MOTOROLA GPIO Module and I O Multiplexer IOMUX ...