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Shanghai Belling-Systron Microelectronics Co., Ltd.
ԡᏺ57&ⱘ0$6.ऩ⠛ᴎ⠛%/
%/ Сଶޏ೬ֳڟ
c ંԅۤၮဈֳถ
ᴀᅮњ BL3501 ⬉ⱘᡔᴃᣛᷛঞ BENCH TEST Ⳃ QC ⌟ᷛޚDŽ
c Сଶ߅೭
·ݮٟટۤဈා
BL3501 ᰃϔℒ⫼఼⬉ˈᰃᇍ఼⬉ⱘ⡍⚍ϧⱘᖂࠊ఼ ˄MCU˅ऩܗDŽBL3501 ৃҹ⫼Ѣ㉏ᆊ⬉˄བ⬉ǃVCD ᴎㄝ˅ⱘ఼ˈᅠ៤ᣝ ⱘᠿᦣⷕֵোⱘ⫳៤ˈᑊᦤկᯊᰒǃᅮᯊㄝࡳDŽ⬅ѢᏖഎϞⱘ఼ⷕ ᮍᓣ᳝ᕜˈⳌݭᑨⱘᑣDŽˈBL3501 гৃҹ⫼Ѣ LCDǃLED ᰒⱘ ⬉ᄤᯊ⬉DŽ
ԨাࣟރඋԤ
⡍⚍˖ ᣛҸϢ BL2220 ݐᆍ CPU˖8 ԡ ROM ऩ˖ܗ2K byte RAM ऩ˖ܗ64 byte ᤃ⬉˖455KHz˄Џᤃ˅ ǃ32.768Hz˄RTC ᤃ˅ I/O ষ˖2 8 ԡঠষ ⷕֵোߎষ˖ৃӊᢽ 38KHz ࠊ ᣝᠿᦣⱘ᳔᭄Ⳃ˖64 ݊Ҫೈ⬉˖ᅲᯊᯊ˄RTC˅ ǃ8 ԡৃᅮᯊ఼ Ꮉ⬉⑤⬉य़˖2.5̚5.0V Ꮉ⏽ᑺ˖-20̚80к ᗕࡳ˖< 10uA @ VDD = 3V
⬉˖Ӵⳳ˖ഔZZZV\VWURQVKFQ RI
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Shanghai Belling-Systron Microelectronics Co., Ltd.
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ࡼᗕࡳ˖< 1mA @ VDD = 3V ࡴᎹᎹ˖Belling 1.2um ᷛ ޚCMOS ᇕᔶᓣ˖SOP-24 Ḛ˖
USER MASK ROM - 2K BYTES EOSC1 EOSC2
OSC-II
Real Time Clock SRAM - 64 BYTES
7
0
KEYBOARD INTERRUPT
D D R
ACCUMULATOR 7 0 A
P O R T A
8 PA0~PA7
INDEX REGISTER 12 0
STACK POINTER 15 0 D D R P O R T B 8 PB0~PB7
PROGRAM COUNTER 7 RST RESET BUS-CLOCK CONDITION CODE REGISTER 0
B
OSC1 OSC2
OSC-I
7-BIT PRESCALER 8-BIT COUNTER TIMER CONTROL
38K modulate
OUT
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Shanghai Belling-Systron Microelectronics Co., Ltd.
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߶ڕ
OSC1 OSC2 GND PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 OUT
1 2 3 4
24 23 22 21
PA7 PA6 VDD PA5 PA4 PA3 PA2 PA1 PA0 EOSC2 EOSC1 RSTB
6 7 8 9 10 11 12
SOP-24
i/o i/o i/o i/o i/o i/o i/o i/o i/o i/o i/o i/o i/o i/o
5
20 19 18 17 16 15 14 13
߶ڕٟટഊੜ
No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Name OSC1 OSC2 GND PB0 PB1 PB2 PB3 PB4 PB5 PB6 PB7 OUT RSTB EOSC1 EOSC2 PA0 PA1 PA2 PA3 PA4 PA5 I/O input output Description main oscillator input main oscillator output io port B 0 io port B 1 io port B 2 io port B 3 io port B 4 io port B 5 io port B 6 io port B 7 coding signal output reset RTC oscillator input RTC oscillator output io port A 0 io port A 1 io port A 2 io port A 3 io port A 4 io port A 5
source source ground
output input input output
⬉˖Ӵⳳ˖ഔZZZV\VWURQVKFQ RI
Ϟ⍋ኁⷑ߯ᖂ⬉ᄤ᳝݀ৌ 22 23 24 VDD PA6 PA7
Shanghai Belling-Systron Microelectronics Co., Ltd.
i/o i/o io port A 6 io port A 7
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source source input
2.4.1 VDD ۤ GND
VDD GND ߚ߿ᰃᎹ⬉⑤ഄᓩDŽBL3501 ⱘᎹ⬉⑤ೈЎ 2.2̚5.0VDŽ
2.4.2 OSC1 ۤ OSC2
OSC1 OSC2 ᓩПϔϾԧᤃ఼ᦤկ㋏ᎹⱘЏᯊDŽᤃৃ⫼ 455KHz˄⫼Ѣ఼˅ ǃ4M ㄝDŽᤃⱘൟϟˈড⬉Ꮖخ⠛ݙњˈ ᬙ᮴ᑊড⬉DŽˈᤃ⬉Ёᢽ⬉ᆍⱘᆍᯊᑨᔧߚᏗ⬉ᆍⱘᕅડˈ Ўޣᇣߎ༅ⳳˈᤃ⬉ᆍሑᓩDŽ
26&
26&
S
S
2.4.3 EOSC1 ۤ EOSC2
EOSC1 EOSC2 ᓩПϔϾԧᤃ఼ᦤկ㋏Ꮉⱘ RTC ᯊDŽᤃৃ ⫼ 32.768KHz 32KHzDŽRTC ᤃⱘൟϟˈড⬉ᮕ⬉ᆍخ⠛ ݙњˈ᮴DŽ
(26&
(26&
.+]
2.4.4 RSTB ߶
RSTB ᰃ㋏ԡᓩDŽRSTB ᓩⱘৃҹᔎࠊ㋏ܹԡ⢊ᗕDŽ བᵰϞ⬉ৢࡼԡৃҹབϟḋDŽ
. 567%
X
⬉˖Ӵⳳ˖ഔZZZV\VWURQVKFQ RI
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Shanghai Belling-Systron Microelectronics Co., Ltd.
ԡᏺ57&ⱘ0$6.ऩ⠛ᴎ⠛%/
⬅Ѣ BL3501 ݙᏆ᳝Ϟ⬉ԡ⬉Ϟᢝ⬉ˈ ᇍ⬠ᑆᡄϡᔎϨϡࡼԡ ⱘᚙމϟˈRSTB ぎгᰃܕⱘDŽ
2.4.5 PA7:PA0
PA7:PA0 ᰃঠッষ A ⱘᓩDŽ བᵰᓔਃⲬЁᮁࡳⱘˈ Ⳍᑨⱘᓩݙ᳝ 12Kohm ⱘϞᢝ⬉DŽ
2.4.6 PB7:PB0
PB7:PB0 ᰃঠッষ B ⱘᓩDŽᓩݙ᳝ৃⱘ 12Kohm Ϟᢝ⬉DŽ
2.4.7 OUT ߶
OUT ᰃϔϾߎᓩDŽ
c ٟટື೭
ҢᴀϞˈBL3501 ᰃϔℒ MCU ⬉ˈ݊ԧ㋏ᵘᣛҸ㋏Ϣ BL2220 ᅠܼⳌৠDŽ ϟᦣ BL3501 ⱘ Memory Map ᆘᄬ఼DŽ
0HPRU\0DS
݊Ё⫼᠋ ROM ऎৃḍϡৠ⫼᠋ⱘ∖DŽ
⬉˖Ӵⳳ˖ഔZZZV\VWURQVKFQ RI
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Shanghai Belling-Systron Microelectronics Co., Ltd.
ԡᏺ57&ⱘ0$6.ऩ⠛ᴎ⠛%/
BL3501 Memory Map
)
General Register 16 bytes RAM 32 bytes
) ) ) $
Unused Special Register 16 bytes Unused
') (
))
Stack 32 bytes
Unused
))
User ROM 1792 bytes
()) )
Selfcheck ROM 240 bytes
)() )) )))
User Vectors 16 bytes
ޗӉ୶ഊੜ
BL3501 ⱘܼᆘᄬ఼ϟDŽ Addr
$00 $01
Name
PORTA PORTB
R/W
R W R
7
PA7 PB7
6
PA6 PB6
5
PA5 PB5
4
PA4 PB4
3
PA3 PB3
2
PA2 PB2
1
PA1 PB1
0
PA0 PB0
Reset
unaffected unaffected
⬉˖Ӵⳳ˖ഔZZZV\VWURQVKFQ RI
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W $02 PORTC R W $04 DDRA R W $05 DDRB R W $08 TDR R W $09 TCR R W $0A POPR R W $0B KBIM R W $0C MCR R W $90 RCR R W $91 RAR R W $92 RSR R W $93 RMR R W $94 RHR R W $95 RDR R W $96 RMOR R W $97 RYR R W $98 RWR R W
YR7 0 0 KBIE KBE7 TD7 DDRB7 DDRA7
Shanghai Belling-Systron Microelectronics Co., Ltd.
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PC0
unaffected
DDRA6
DDRA5
DDRA4
DDRA3
DDRA2
DDRA1
DDRA0
0000 0000
DDRB6
DDRB5
DDRB4
DDRB3
DDRB2
DDRB1
DDRB0
0000 0000
TD6
TD5
TD4
TD3 0
TD2
TD1
TD0
1111 1111
TIF
TIM PRER
PR2
PR1
PR0
0100 0100
PBP
PB1
PB0
---- -000
KBE6
KBE5
KBE4
KBE3
KBE2
KBE1
KBE0
0000 0000
RTCT KBIC XSTP RTCIE ADJ F6 F5 F4 F3 F2 F1 FLAG CT1
F38KE
000- ---0
CT0
01-1 .