P89C662HFA/00,512 NXP Semiconductors, P89C662HFA/00,512 Datasheet - Page 73

• Manufacturer Part Number: P89C662HFA/00,512
• Description: IC 80C51 MCU FLASH 32K 44-PLCC
• Manufacturer: NXP Semiconductors
• Series: 89Cr

Specifications of P89C662HFA/00,512

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 33MHz
• Connectivity: I²C, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1K x 8
• Voltage - Supply (vcc/vdd): 4.75 V ~ 5.25 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Other names: 568-1270-5; 935267446512; P89C662HFA

Philips Semiconductors
2002 Oct 28
80C51 8-bit Flash microcontroller family
16KB/32KB/64KB ISP/IAP Flash with 512B/1KB/2KB/8KB RAM
READ SECURITY BITS
READ STATUS BYTE
READ BOOT VECTOR
IAP CALL
Input Parameters:
Return Parameter
Sample routine:
Input Parameters:
Return Parameter
Sample routine:
Input Parameters:
Return Parameter
Sample routine:
R0 = osc freq (integer)
R1 = 07h
R1 = 87h (WDT feed, Rx2 & 66x only)
DPH = 00h
DPL = 00h (security bits)
ACC = value of byte read
;*****reads the Security Bits (SBits) *****
;***** SBits returned in ACC (2:0)
RDSBits:
R0 = osc freq (integer)
R1 = 07h
R1 = 87h (WDT feed, Rx2 & 66x only)
DPH = 00h
DPL = 01h (status byte)
ACC = value of byte read
;*****reads the Status Byte (SB) *****
;***** SB returned in ACC
RDSB:
R0 = osc freq (integer)
R1 = 07h
R1 = 87h (WDT feed, Rx2 & 66x only)
DPH = 00h
DPL = 02h (boot vector)
ACC = value of byte read
;*****reads the Boot Vector (BV) *****
;***** BV returned in ACC
RDBV:
MOV
MOV
MOV
MOV
CALL
RET
MOV
MOV
MOV
MOV
CALL
RET
MOV
MOV
MOV
MOV
CALL
RET
AUXR1,#20H
R0,#11
R1,#07H
DPTR,#0000H
PGM_MTP
AUXR1,#20H
R0,#11
R1,#07H
DPTR,#0001H
PGM_MTP
AUXR1,#20H
R0,#11
R1,#07H
DPTR,#0002H
PGM_MTP
73
PARAMETER
;set the ENBOOT bit
;FOSC
;read misc function
;specify security bits
;execute the function
;set the ENBOOT bit
;FOSC
;read misc function
;specify status byte
;execute the function
;set the ENBOOT bit
;FOSC
;read misc function
;specify boot vector
;execute the function
P89C660/P89C662/P89C664/
P89C668
Product data