
Register and memory map
ST7L34, ST7L35, ST7L38, ST7L39
Doc ID 11928 Rev 7
Legend for Table 3 : x = undefined, R/W = read/write, RO = read only
Table 3.
Hardware register map
Address
Block
Register
label
Register name
Reset
status
Remarks
0000h
0001h
0002h
Port A
PADR
PADDR
PAOR
Port A data register
Port A data direction register
Port A option register
FFh(1)
00h
40h
R/W
0003h
0004h
0005h
Port B
PBDR
PBDDR
PBOR
Port B data register
Port B data direction register
Port B option register
00h
R/W
R/W(2)
0006h
0007h
Reserved area (2 bytes)
0008h
0009h
000Ah
000Bh
000Ch
Lite timer
2
LTCSR2
LTARR
LTCNTR
LTCSR1
LTICR
Lite timer control/status register 2
Lite timer autoreload register
Lite timer counter 2 register
Lite timer control/status register 1
Lite timer input capture register
0Fh
00h
0x00 0000b
xxh
R/W
RO
R/W
RO
000Dh
000Eh
000Fh
0010h
0011h
0012h
0013h
0014h
0015h
0016h
0017h
0018h
0019h
001Ah
001Bh
001Ch
001Dh
001Eh
001Fh
0020h
0021h
0022h
0023h
0024h
0025h
Auto-
reload
timer 3
ATCSR
CNTR1H
CNTR1L
ATR1H
ATR1L
PWMCR
PWM0CSR
PWM1CSR
PWM2CSR
PWM3CSR
DCR0H
DCR0L
DCR1H
DCR1L
DCR2H
DCR2L
DCR3H
DCR3L
ATICRH
ATICRL
ATCSR2
BREAKCR
ATR2H
ATR2L
DTGR
Timer control/status register
Counter register 1 high
Counter register 1 low
Autoreload register 1 high
Autoreload register 1 low
PWM output control register
PWM 0 control/status register
PWM 1 control/status register
PWM 2 control/status register
PWM 3 control/status register
PWM 0 duty cycle register high
PWM 0 duty cycle register low
PWM 1 duty cycle register high
PWM 1 duty cycle register low
PWM 2 duty cycle register high
PWM 2 duty cycle register low
PWM 3 duty cycle register high
PWM 3 duty cycle register low
Input capture register high
Input capture register low
Timer control/status register 2
Break control register
Autoreload register 2 high
Autoreload register 2 low
Dead time generator register
0x00 0000b
00h
03h
00h
R/W
RO
R/W
RO
R/W
0026h to
002Dh
Reserved area (8 bytes)
002Eh
WDG
WDGCR
Watchdog control register
7Fh
R/W
0002Fh
Flash
FCSR
Flash control/status register
00h
R/W
00030h
EEPROM EECSR
Data EEPROM control/status register
00h
R/W