xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxx x x x xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xx xx xxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxx xxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxx x x
xxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxx xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxx xxxxxxxxxxxxxxxxxxxx xxx
P89LPC9331_9341_9351_9361 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 5.1 — 20 August 2012 15 of 94
NXP Semiconductors
P89LPC9331/9341/9351/9361
8-bit microcontroller with accelerated two-clock 80C51 core
DPL Data pointer
low
82H 00 0000 0000
FMADRH Program flash
address high
E7H 00 0000 0000
FMADRL Program flash
address low
E6H 00 0000 0000
FMCON Program flash
control (Read)
E4H BUSY - - - HVA HVE SV OI 70 0111 0000
Program flash
control (Write)
E4H FMCMD.7 FMCMD.6 FMCMD.5 FMCMD.4 FMCMD.3 FMCMD.2 FMCMD.1 FMCMD.0
FMDATA Program flash
data
E5H 00 0000 0000
I2ADR I
2
C-bus slave
address
register
DBH I2ADR.6 I2ADR.5 I2ADR.4 I2ADR.3 I2ADR.2 I2ADR.1 I2ADR.0 GC 00 0000 0000
Bit address DF DE DD DC DB DA D9 D8
I2CON* I
2
C-bus control
register
D8H - I2EN STA STO SI AA - CRSEL 00 x000 00x0
I2DAT I
2
C-bus data
register
DAH
I2SCLH Serial clock
generator/SCL
duty cycle
register high
DDH 00 0000 0000
I2SCLL Serial clock
generator/SCL
duty cycle
register low
DCH 00 0000 0000
I2STAT I
2
C-bus status
register
D9H STA.4 STA.3 STA.2 STA.1 STA.0 0 0 0 F8 1111 1000
Bit address AF AE AD AC AB AA A9 A8
IEN0* Interrupt
enable 0
A8H EA EWDRT EBO ES/ESR ET1 EX1 ET0 EX0 00 0000 0000
Bit address EF EE ED EC EB EA E9 E8
Table 4. Special function registers - P89LPC9331/9341
…continued
* indicates SFRs that are bit addressable.
Name Description SFR
addr.
Bit functions and addresses Reset value
MSB LSB Hex Binary
