P89LPC972FDH,129 NXP Semiconductors, P89LPC972FDH,129 Datasheet - Page 13

• Manufacturer Part Number: P89LPC972FDH,129
• Description: MCU 80C51 8KB FLASH 20TSSOP
• Manufacturer: NXP Semiconductors
• Series: LPC900r

Specifications of P89LPC972FDH,129

• Program Memory Type: FLASH
• Program Memory Size: 8KB (8K x 8)
• Package / Case: 20-TSSOP
• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 18MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 18
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: P89LPC
• Core: 80C51
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Interface Type: I2C, SPI, UART
• Maximum Clock Frequency: 18 MHz
• Number Of Programmable I/os: 15
• Number Of Timers: 5
• Operating Supply Voltage: 2.4 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: PK51, CA51, A51, ULINK2
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 935290299129

Table 4.
* indicates SFRs that are bit addressable.
Name
IP1*
IP1H
KBCON
KBMASK Keypad interrupt
KBPATN
P0*
P1*
P3*
P0M1
P0M2
P1M1
P1M2
P3M1
P3M2
Description
Interrupt
priority 1
Interrupt
priority 1 high
Keypad control
register
mask register
Keypad pattern
register
Port 0
Port 1
Port 3
Port 0 output
mode 1
Port 0 output
mode 2
Port 1 output
mode 1
Port 1 output
mode 2
Port 3 output
mode 1
Port 3 output
mode 2
Special function registers
Bit address
Bit address
Bit address
Bit address
SFR
addr.
F8H
F7H
94H
86H
93H
80H
90H
B0H
84H
85H
91H
92H
B1H
B2H
…continued
Bit functions and addresses
(P0M1.7) (P0M1.6) (P0M1.5) (P0M1.4) (P0M1.3) (P0M1.2) (P0M1.1) (P0M1.0) FF
(P0M2.7) (P0M2.6) (P0M2.5) (P0M2.4) (P0M2.3) (P0M2.2) (P0M2.1) (P0M2.0) 00
(P1M1.7) (P1M1.6)
(P1M2.7) (P1M2.6)
T1/KB7
T3EX
MSB
B7
FF
87
97
-
-
-
-
-
-
CMP1/
PSTH
PST
KB6
FE
B6
86
96
-
-
-
-
-
CMPREF
KB5/T3
RST
FD
85
95
B5
-
-
-
/
-
-
-
-
-
(P1M1.4) (P1M1.3) (P1M1.2) (P1M1.1) (P1M1.0) D3
(P1M2.4) (P1M2.3) (P1M2.2) (P1M2.1) (P1M2.0) 00
PXTIMH
CIN1A/
PXTIM
INT1/
T4EX
KB4
FC
B4
84
94
-
-
-
-
SDA/T4
KB3/T2
CIN1B/
PSPIH
INT0/
PSPI
FB
B3
83
93
-
-
-
-
T0/SCL
CIN2A/
PCH
KB2
PC
FA
B2
82
92
-
-
-
-
(P3M1.1) (P3M1.0) 03
(P3M2.1) (P3M2.0) 00
CIN2B/
PKBIH
XTAL1
PATN
_SEL
T2EX
PKBI
RXD/
KB1
B1
F9
81
91
CMP2/
XTAL2
PI2CH
PI2C
KBIF
LSB
TXD
KB0
B0
F8
80
90
Reset value
Hex
00
00
00
00
FF
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
[2]
Binary
00x0 0000
00x0 0000
xxxx xx00
0000 000
0
1111 1111
1111 1111
0000 000
0
11x1 xx11
00x0 xx00
xxxx xx11
xxxx xx00