參數(shù)資料
型號: P8XCE598
廠商: NXP Semiconductors N.V.
英文描述: 8-bit microcontroller with on-chip CAN
中文描述: 8位微控制器芯片的CAN
文件頁數(shù): 4/108頁
文件大?。?/td> 507K
代理商: P8XCE598
1996 Jun 27
4
Philips Semiconductors
Product specification
8-bit microcontroller with on-chip CAN
P8xCE598
2.2
Recommendation on ALE
For application that require no external memory or
temporarily no external memory: the ALE output signal
(pulses at a frequency of
1
6
f
OSC
) can be disabled under
software control (bit 5 in PCON SFR:
‘RFI
’); if disabled, no
ALE pulse will occur. ALE pin will be pulled down
internally, switching an external address latch to a quiet
state. The MOVX instruction will still toggle ALE as a
normal MOVX.
ALE will retain its normal HIGH value during Idle mode and
a LOW value during Power-down mode while in the ‘
RFI
reduction mode’.
Additionally during internal access (EA = 1) ALE will toggle
normally when the address exceeds the internal Program
Memory size. During external access (EA = 0) ALE will
always toggle normally, whether the flag
‘RFI’
is set or not.
3
ORDERING INFORMATION
TYPE
NUMBER
PACKAGE
TEMPERATURE
RANGE (
°
C)
FREQ.
(MHz)
NAME
DESCRIPTION
VERSION
Without ROM
P80CE598FFB
P80CE598FHB
QFP80
plastic quad flat package; 80 leads (lead
length 1.95 mm); body 14
×
20
×
2.7 mm;
high stand-off height
SOT318-1
40 to +85
1.2 to 16
40 to +125
With ROM
P83CE598FFB
P83CE598FHB
QFP80
plastic quad flat package; 80 leads (lead
length 1.95 mm); body 14
×
20
×
2.7 mm;
high stand-off height
SOT318-1
40 to +85
1.2 to 16
40 to +125
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