SH66P20A 반도체 회로 부품 판매점
OTP 4-Bit Microcontroller
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 Sino Wealth Microelectronic |
SH66P20A
OTP 4-bit Microcontroller
Features
SH6610C-based single-chip 4-bit microcontroller
ROM: 1K X 16 bits
RAM: 64 X 4 bits (Data memory)
Operation voltage: 2.4V - 6.0V (Typical 3.0V or 5.0V)
12 CMOS bi-directional I/O pins
4-level subroutine nesting (including interrupts)
One 8-bit auto re-load timer/counter
Warm-up timer for power on reset
Powerful interrupt sources:
- Internal interrupt (Timer0)
- External interrupts: PortB & PortC (Falling edge)
Oscillator (user option)
- X`tal oscillator:
32.768KHz ~ 4MHz
- Ceramic resonator: 400K ~ 4MHz
- RC oscillator:
400K ~ 4MHz
- External clock:30K ~ 4MHz
Instruction cycle time:
- 4/32.768KHz (≈ 122us) for 32.768KHz OSC clock
- 4/4MHz (= 1us) for 4MHz OSC clock
Two low power operation modes: HALT and STOP
OTP type
Code protection
Built-in watchdog timer
General Description
SH66P20A is a 4-bit microcontroller. This chip integrates the SH6610C 4-bit CPU core with SRAM, 1K program ROM, Timer
and I/O Port.
Pin Configuration
PORTA.2
PORTA.3
T0
RESET
GND
PORTB.0
PORTB.1
PORTB.2
PORTB.3
1
2
3
4
5
6
7
8
9
18 PORTA.1
17 PORTA.0
16 OSCI
15 OSCO
14 VDD
13 PORTC.3
12 PORTC.2
11 PORTC.1
10 PORTC.0
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1 V2.3
Block Diagram
XTAL/RC
OTP OPTION
OSCI
OSC
OSCO
OTP
PROTECT
RC
WATCHDOG
TIMER
PRESCALER
CPU
PORTA (4 BITS)
PORTB (4 BITS)
PORTC (4 BITS)
8-BIT TIMER
REG.
TIMER
INTERRUPT
WDT TIME
OUT
OTP
1024 X 16BIT
DATA RAM
64 X 4BIT
SH66P20A
PORTA [3:0]
PORTB [3:0]
PORTC [3:0]
GND
VDD T0
Pin Description
Pin No.
1-2
3
4
5
6-9
10 - 13
14
15
16
17 - 18
Designation
PORTA2, 3
T0
RESET
GND
PORTB0 - 3
PORTC0 - 3
VDD
OSCO
OSCI
PORTA0, 1
I/O Description
I/O Bit programmable I/O
I Timer Clock/Counter (Schmitt Trigger input)
I Reset input (Active Low)
P Ground pin
I/O Bit programmable I/O, Vector Interrupt (Active falling edge)
I/O Bit programmable I/O, Vector Interrupt (Active falling edge)
P Power supply pin
O OSC output pin. There is a signal with a frequency of Fosc/4 for RC mode
I OSC input pin can be connected to crystal﹑ceramic or external resistor
I/O Bit programmable I/O
Note: The all pins excluding pin15 are shared with OTP programming.
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PDF 파일 내의 페이지 : 총 29 페이지
제조업체: Sino Wealth Microelectronic
( swm )
SH66P20A controller
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[ SH66P20A.PDF ]
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국내 전력반도체 판매점
상호 : 아이지 인터내셔날
전화번호 : 051-319-2877
[ 홈페이지 ]
IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈
( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )
전력반도체 문의 : 010-3582-2743
