參數(shù)資料
型號: PCA5010H
廠商: NXP Semiconductors N.V.
英文描述: Pager baseband controller
中文描述: 傳呼機基帶控制器
文件頁數(shù): 87/112頁
文件大?。?/td> 627K
代理商: PCA5010H
1998 Nov 02
87
Philips Semiconductors
Product specification
Pager baseband controller
PCA5010
MGR161
ALE
PSEN
variable
execute time
DATA input
AL
driven
DATA input
AH driven
AH driven
P0
P2
3T
4T
5T
6T
0T
1T
2T
3T
4T
5T
6T
....
nT
s
s
ALE, PSEN cycle
tCE
T
instruction execution cycle
Fig.46 External access timing.
T being the half period of the internal
6 MHz oscillator for normal external
access and of TCLK for emulation,
programming and test modes.
The minimum duration of one cycle is 6T.
It can be extended by increments of
[0 to n]T if the execution of an instruction
needs more time (dependant of V
DD
, T,
Temperature, Opcode).
Execution of an op-code goes in parallel
with the external access cycle for the
next sequential byte. Eventually an
already fetched byte is discarded
depending on the executed instruction
(e.g. any jump or return).
12 CHARACTERISTIC CURVES
Fig.47 Measured battery current consumption as function of mean microcontroller instruction rate.
handbook, full pagewidth
0
2
1
MGR144
(2)
(1)
0
0.4
1.6
MIPS
2
1.2
0.8
IBAT
(mA)
V
BAT
= 1.2 V.
(1) DC/DC converter in normal mode.
(2) DC/DC converter in standby mode.
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