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with ISP. CS8954 Datasheet |
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om CS8954
GeneralePetu4rUpo.cse 8051 MCU 64K Flash Type with ISPGENERAL DESCRIPTIONS
hThe CS8954 micro-controller is an 8051 CPU core
taSembedded device especially tailored for consumer
and/or general purpose applications. It includes an
a8051 CPU core, 768-byte SRAM, 4 channels of 6-bit
.DADC, 6 channels of PWM DAC, and a 64K-byte
winternal program Flash-ROM memory in 40-pin PDIP,
ww44-pin PLCC or PQFP package.
• 0.35um process
• 3.3V power supply
• 768-byte RAM
• 64K-byte program Flash memory
• Maximum 6 channels of PWM DAC
• Watchdog timer with programmable interval
• Single/double frequency clock output
• Hardware In system programming (ISP) without
boot code
• Two external interrupts
FEATURES
• 8051 core, 12MHz operating frequency with
msingle/double CPU clock option
• Maximum 4 channels of 6-bit ADC
• Flash-ROM code protection selection
• 40-pin PDIP, 44-pin PLCC or PQFP package
t4U.coBLOCK DIAGRAM
eeP1.0-7
hP3.0-2
P3.4
S8051
taCORE
RST
X1
aX2
CKO
P0.0-7
P2.0-3
RD
WR
ALE
INT1
.DP7.6-7
wP6.0-7
wwP5.0-6
AUX
I/O
P0.0-7
P2.0-7
RD
WR
ALE
INT1
XFR
ADC
AD0-3
PWM DAC
DA0-5
AUXRAM
.DataSheet4U.comMyson Century, Inc.
Taiwan:
USA:
wNo. 2, Industry East Rd. III,
4020 Moorpark Avenue Suite 115
wScience-Based Industrial Park, Hsin-Chu, Taiwan San Jose, CA, 95117
wTel: 886-3-5784866 Fax: 886-3-5784349
Tel: 408-243-8388 Fax: 408-243-3188
sales@myson.com.tw
www.myson.com.tw
Rev. 0.4 April 2003
page 1 of 21
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PIN CONNECTION
P5.0/DA0
P5.1/DA1
P5.2/DA2
P5.3/DA3
P5.4/DA4
P5.5/DA5
P5.6
P5.7
RST
P3.0/RXD0
P3.1/TXD0
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
P7.6/CLK0
P7.7
X2
X1
VSS
1 40
2 39
3 38
4 37
5 36
6 35
7 34
8 33
9 32
10 CS8954N 31
11 40-pin PDIP 30
12 29
13 28
14 27
15 26
16 25
17 24
18 23
19 22
20 21
VCC
P1.0
P1.1
P1.2
P1.3
P1.4
P1.5
P1.6
P1.7
NC
NC
NC
P6.7
P6.6
P6.5
P6.4
P6.3/AD3
P6.2/AD2
P6.1AD1
P6.0/AD0
CS8954
page 2 of 21
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CS8954
P5.5/DA5
P5.6
P5.7
RST
RXD0/P3.0
NC
TXD0/P3.1
P3.2/INT0
P3.3/INT1
P3.4/T0
P3.5/T1
7
8
9
10
11
12
13
14
15
16
17
CS8954V
44-pin PLCC
39 P1.4
38 P1.5
37 P1.6
36 P1.7
35 NC
34 NC
33 NC
32 NC
31 P6.7
30 P6.6/CLKO
29 P6.5
page 3 of 21
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