參數(shù)資料
型號(hào): SAB88C166-5M
廠商: SIEMENS A G
元件分類: 微控制器/微處理器
英文描述: 16-Bit CMOS Single-Chip Microcontrollers with/without oscillator prescaler with 32 KByte Flash EPROM
中文描述: 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100
文件頁(yè)數(shù): 11/58頁(yè)
文件大?。?/td> 611K
代理商: SAB88C166-5M
SAB 88C166(W)
Semiconductor Group
10
FCR (FFA0
H
/ D0
H
)
SFR
Reset Value: 00X0
H*)
*)
The reset value of bit VPPREV depends on the voltage on pin V
PP
.
Note:
The FCR is no real register but is rather virtually mapped into the active address space of the
Flash memory while the Flash writing mode is active. In writing mode all direct (mem)
accesses refer to the FCR, while all indirect ([Rw
n
]) accesses refer to the Flash memory
array itself.
Bit
Function
FWE
Flash Write Enable Bit
(see description below)
0 :
Flash write operations (program / erase) disabled
1 :
Flash write operations (program / erase) enabled
FEE
Flash Erase Enable Bit
(Significant only, when FWE = ’1’, see description below)
0 :
Flash programming mode selected
1 :
Flash erase mode selected
FBUSY
RPROT
Flash Busy Bit
(On read accesses)
0 :
No Flash write operation in progress
1 :
Flash write operation in progress
Flash Read Protection Activation Bit
(On write accesses)
0 :
Deactivates Flash read protection
1 :
Activates Flash read protection, if this is enabled
FCVPP
Flash Control V
PP
Bit
0 :
No V
PP
failure occurred during a Flash write operation
1 :
V
PP
failure occurred during a Flash write operation
Flash V
PP
Revelation Bit
0 :
No valid V
PP
applied to pin V
PP
1 :
V
PP
applied to pin V
PP
is valid
Internal Flash Timer Clock Control
Determines the width of an internal Flash write or erase pulse
VPPREV
CKCTL
WDWW
Word / Double Word Writing Bit
(significant only in programming mode)
0 :
16-bit programming operation
1 :
32-bit programming operation
BE
Bank Erase Select
(significant only in erasing mode)
Selects the Flash Bank to be erased
FWMSET
Flash Writing Mode Set Bit
(see description below)
0 :
Exit Flash writing mode, return to standard mode
1 :
Stay in Flash writing mode
rw
FEE
FWM
SET
rw
-
rw
-
rw
-
rw
-
rw
-
FWE
5
4
3
2
1
0
11
10
9
8
7
6
15
14
13
12
rw
rw
r
rw
rw
r/w
rw
VPP
REV
FC
VPP
FBUSY
RPROT
rw
CKCTL
WDW
W
BE
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