tmp89ch42 TOSHIBA Semiconductor CORPORATION, tmp89ch42 Datasheet - Page 54
tmp89ch42
Manufacturer Part Number
tmp89ch42
Description
8 Bit Microcontroller Tlcs-870/c1 Series
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TMP89CH42.pdf
(342 pages)
- Current page: 54 of 342
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2.4
Reset Control Circuit
RB000
Table 2-5 Initialization of Built-in Hardware by Reset Operation and Its Status after Release
Program counter (PC)
Stack pointer (SP)
RAM
General-purpose registers (W, A, B, C, D, E, H, L, IX and IY)
Register bank selector (RBS)
Jump status flag (JF)
Zero flag (ZF)
Carry flag (CF)
Half carry flag (HF)
Sign flag (SF)
Overflow flag (VF)
Interrupt master enable flag (IMF)
Individual interrupt enable flag (EF)
Interrupt latch (IL)
High-frequency clock oscillation circuit
Low-frequency clock oscillation circuit
Warm-up counter
Timing generator prescaler and divider
Watchdog timer
Voltage detection circuit
I/O port pin status
Special function register
Note:The voltage detection circuits are disabled by an external reset input or power-on reset only.
Built-in hardware
Refer to the SFR map.
Disabled or enabled
Oscillation disabled
Oscillation enabled
Page 40
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
During reset
Disabled
0xFFFE
0x00FF
Reset
HiZ
0
0
0
0
0
During the warm-up opera-
tion that follows reset re-
Refer to the SFR map.
Disabled or enabled
Oscillation disabled
Oscillation enabled
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Disabled
0xFFFE
0x00FF
lease
Start
HiZ
0
0
0
0
0
warm-up operation that fol-
Refer to the SFR map.
Immediately after the
Disabled or enabled
Oscillation disabled
Oscillation enabled
lows reset release
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
Indeterminate
TMP89CH42
Enabled
0xFFFE
0x00FF
Stop
HiZ
0
0
0
0
0
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