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PDF SH66L08A Data sheet ( Hoja de datos )
| Número de pieza | SH66L08A | |
| Descripción | 1K 4-bit Microcontroller | |
| Fabricantes | Sino Wealth | |
| Logotipo |  |
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SH66L08A
1K 4-bit Micro-controller with LCD Driver
Features
SH6610C-based single-chip 4-bit micro-controller with
LCD driver
ROM: 1024 X 16 bits
RAM: 288 X 4 bits
- 32 System Control Register
- 256 Data memory
- 34 LCD RAM
Operation Voltage: 1.2V - 1.7V
16 CMOS Bi-directional I/O pads (PORTC, PORTD can
switch to LCD segment)
4-Level Stack (Including Interrupts)
Two 8-bit Auto Re-Loaded Timers/Counters
Warm-Up Timer
Powerful Interrupt Sources:
- External interrupt (Low active)
- Timer0 interrupt
- Timer1 interrupt
- PORTB & PORTC interrupt (Low active)
Oscillator (Code Option)
- Crystal Oscillator: 32.768kHz
- RC Oscillator:
131kHz
Instruction Cycle Time (4/fOSC)
LCD Driver:
- 34SEG X 4COM (1/4 Duty, 1/3 Bias)
- 34SEG X 3COM (1/3 Duty, 1/2 Bias)
Two Low Power Operation Modes: HALT And STOP
Built-in Watchdog Timer (Code Option)
Built-in Voltage Doubler And Tripler Charge Pump
Circuit
Built-in Alarm Generator
Low power consumption
Bonding option for multi-code software
Available in CHIP FORM
General Description
SH66L08A is a single-chip 4-bit micro-controller. This device integrates a SH6610C CPU core, SRAM, timer, alarm generator,
LCD driver, I/O port, voltage pump and program ROM. The SH66L08A is suitable for calculator application.
Pad Configuration
SEG25
SEG26
PORTC0/SEG27
PORTC1/SEG28
PORTC2/SEG29
PORTC3/SEG30
PORTD0/SEG31
PORTD1/SEG32
PORTD2/SEG33
PORTD3/SEG34
PORTA0
PORTA1
PORTA2
PORTA3
PORTB0
PORTB1
1 56 55 54 53 52 51 50 49 48 47 46 45 44
2 43
3 42
4 41
5 40
6 39
7
8
SH66L08A
38
37
9 36
10 35
11 34
12 33
13 32
14 31
15
19 22
30
16 17 18 B0 20 21 B1 23 24 25 26 27 28 29
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
COM4
COM3
COM2
COM1
1 V2.0
1 page  
SH66L08A
2.2. Configuration of System Register
Address Bit 3
Bit 2
Bit 1
$00
IEX
IET0
IET1
$01 IRQX IRQT0 IRQT1
$02 - T0M.2 T0M.1
$03 - T1M.2 T1M.1
$04
T0L.3
T0L.2
T0L.1
$05 T0H.3 T0H.2 T0H.1
$06
T1L.3
T1L.2
T1L.1
$07 T1H.3 T1H.2 T1H.1
$08
PA.3
PA.2
PA.1
$09
PB.3
PB.2
PB.1
$0A
PC.3
PC.2
PC.1
$0B
PD.3
PD.2
PD.1
$0C - - -
$0D -
- B1
$0E TBR.3 TBR.2 TBR.1
$0F
INX.3
INX.2
INX.1
$10 DPL.3 DPL.2 DPL.1
$11 - DPM.2 DPM.1
$12 - DPH.2 DPH.1
$13 - LCDOFF HLM
$14 AEC3 AEC2 AEC1
$15 PPULL O/S2 O/S1
$16 - $19
-
$1A WDT
$1B PACR.3
$1C PBCR.3
$1D PCCR.3
$1E PDCR.3
$1F -
-
-
PACR.2
PBCR.2
PCCR.2
PDCR.2
-
-
-
PACR.1
PBCR.1
PCCR.1
PDCR.1
-
Bit 0
IEP
IRQP
T0M.0
T1M.0
T0L.0
T0H.0
T1L.0
T1H.0
PA.0
PB.0
PC.0
PD.0
-
B0
TBR.0
INX.0
DPL.0
DPM.0
DPH.0
PAM
AEC0
-
-
-
PACR.0
PBCR.0
PCCR.0
PDCR.0
-
R/W
Remarks
R/W Interrupt enable flags register
R/W Interrupt request flags register
R/W Bit2-0: Timer0 Mode register
R/W Bit2-0: Timer1 Mode register
R/W Timer0 load/counter register low nibble register
R/W Timer0 load/counter register high nibble register
R/W Timer1 load/counter register low nibble register
R/W Timer1 load/counter register high nibble register
R/W PORTA data register
R/W PORTB data register
R/W PORTC data register
R/W PORTD data register
- Reserved
R Bit1-0: Bonding option
R/W Table Branch register
R/W Pseudo index register
R/W Data pointer for INX low nibble register
R/W Data pointer for INX middle nibble register
R/W Data pointer for INX high nibble register
Bit0: PORTA.1, PORTA.2 as Alarm O/P control register
R/W Bit1: Heavy load Mode control register
Bit2: LCD display OFF control register
R/W Alarm Envelope Control register
Bit1: PORTC as LCD segment output control register
R/W Bit2: PORTD as LCD segment output control register
Bit3: Port pull-up control register
- Reserved
R/W Watchdog timer overflow flag register
R/W PORTA input/output control register
R/W PORTB input/output control register
R/W PORTC input/output control register
R/W PORTD input/output control register
- Reserved
5
5 Page 
SH66L08A
7. Timer
SH66L08A has two 8-bit timers.
The timer/counter has the following features:
- 8-bit up-counting timer/counter.
- Automatic re-load counter.
- 8-level prescaler.
- Interrupt on overflow from $FF to $00.
The following is a simplified timer block diagram.
tosc SYNC
System
clock
Prescaler
8-BIT
COUNTER
TM.2 TM.1 TM.0
The low-order digit should be written first, and then the
high-order digit. The timer/counter is automatically loaded
with the contents of the load register when the high-order
digit is written or counter counts overflow from $FF to $00.
Timer Load Register: The register H controls the physical
READ and WRITE operations.
Please follow these steps:
Write Operation:
Low nibble first
High nibble to update the counter
Read Operation:
High nibble first
Low nibble followed.
The timers provide the following functions:
- Programmable interval timer function.
- Read counter value.
7.1. Timer0 and Timer1 Configuration and Operation
Both the Timer0 and Timer1 consist of an 8-bit write-only
timer load register (TL0L, TL0H; TL1L, TL1H) and an 8-bit
read-only timer counter (TC0L, TC0H; TC1L, TC1H). Each of
them has both low-order digits and high-order digits. Writing
data into the timer load register (TL0L, TL0H; TL1L, TL1H)
can initialize the timer counter.
Load Reg. L Load Reg. H
8-bit timer counter
Latch Reg. L
7.2. Timer0 and Timer1 Mode Register
The timer can be programmed in several different prescalers by setting Timer Mode register (T0M, T1M).
The clock source pre-scale by the 8-level counter first, then generate the output plus to timer counter. The Timer Mode registers
(T0M, T1M) are 3-bit registers used for the timer control as shown in Table 1 and Table 2.
Table 1: Timer0 Mode Register ($02)
Table 2: Timer1 Mode Register ($03)
T0M.2 T0M.1 T0M.0
000
001
010
011
100
101
110
111
Prescaler
Divide Ratio
/211
/29
/27
/25
/23
/22
/21
/20
Clock Source
System clock
System clock
System clock
System clock
System clock
System clock
System clock
System clock
T1M.2 T1M.1 T1M.0
000
001
010
011
100
101
110
111
Prescaler
Divide Ratio
/211
/29
/27
/25
/23
/22
/21
/20
Clock Source
System clock
System clock
System clock
System clock
System clock
System clock
System clock
System clock
11
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet SH66L08A.PDF ] | |
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