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FS98O02B-PCE Datasheet(PDF) 38 Page - Fortune Semiconductor Corp.

Part # FS98O02B-PCE
Description  8-bit MCU with 2k program EPROM, 128-byte RAM
PDF  50 Pages
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Manufacturer  FORTUNE [Fortune Semiconductor Corp.]
Direct Link  https://www.ic-fortune.com/eng/index.asp
Logo FORTUNE - Fortune Semiconductor Corp.

FS98O02B-PCE Datasheet(HTML) 38 Page - Fortune Semiconductor Corp.

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FS98O02
Rev.1.5
38/50
use the same method to light on the dots on the cross position of SEG0 to SEG7 and COM4 to COM1.
19. CPU Reset
The FS98O02 CPU has three reset signals and they are external reset (RST_), low voltage reset (LVR),
and watchdog time out reset. When resetting, the CPU’s program counter (PC) is reset to 0. After reset finished,
the CPU starts working. Table 19-1 shows the CPU’s internal registers status after reset.
Table 19-1: the CPU’s Internal Registers Status after Reset
Address
Name
Reset State
WDT Reset State
00h
IND0
uuuu uuuu
uuuu uuuu
02h
FSR0
uuuu uuuu
uuuu uuuu
04h
STATUS
---0 0uuu
---u 1uuu
05h
WORK
uuuu uuuu
uuuu uuuu
06h
INTF
---0 –00
---0 --00
07h
INTE
0--0 –00
0--0 --00
09h
PCK
---- 0000
---- 0000
0Ah
EADRH
uuuu uuuu
uuuu uuuu
0Bh
EADRL
uuuu uuuu
uuuu uuuu
0Ch
EDAH
uuuu uuuu
uuuu uuuu
0Dh
TMOUT
0000 0000
0000 0000
0Eh
TMCON
1000 0000
1u00 0000
0Fh
TMMOD
0000 0000
0000 0000
10h
ADOH
0000 0000
0000 0000
11h
ADOM
0000 0000
0000 0000
12h
ADOL
0000 0000
0000 0000
13h
ADCON
---- 0000
---- 0000
1Fh
SVD
---- ---1
---- ---1
20h
PT1
uuuu uuuu
uuuu uuuu
21h
PT1EN
0000 ----
0000 ----
22h
PT1PU
0000 0000
0000 0000
23h
PT1MR
00-- --00
00-- --00
24h
PT2
---- uuuu
---- uuuu
25h
PT2EN
---- 0000
---- 0000
26h
PT2PU
---- 0000
---- 0000
2Ah
NETB
-000 00-0
-000 00-0
2Ch
NETD
u000 uu00
u000 uu00
2Eh
NETF
0000 0100
0000 0100
2Fh
NETG
---- 0000
---- 0000
33h
NETK
0000 0000
0000 0000
40h
LCD1
uuuu uuuu
uuuu uuuu
41h
LCD2
uuuu uuuu
uuuu uuuu
42h
LCD3
uuuu uuuu
uuuu uuuu
43h
LCD4
uuuu uuuu
uuuu uuuu
44h
LCD5
uuuu uuuu
uuuu uuuu
45h
LCD6
uuuu uuuu
uuuu uuuu
Note 1: “u” means unknown or unchanged. “-“ means unimplemented, read as “0”.
Note 2: The “Reset State” indicates the registers state after external reset and low voltage reset.
Note 3: The “WDT Reset State” indicates the registers state after watchdog time out reset.
19.1 External Reset
The CPU has a “VPP/RST/TST” pin for external reset usage. When “VPP/RST/TST” is in logic “low” state



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