MC68HC908LD64 Datasheet, PDF (295/362 Pages) Freescale Semiconductor, Inc – Microcontrollers

Input/Output (I/O) Ports
Introduction
Addr. Register Name
Bit 7
6
5
4
3
2
1
Bit 0
Read: 0
$0006
Data Direction Register C
(DDRC)
Write:
Reset: 0
DDRC6 DDRC5 DDRC4 DDRC3 DDRC2 DDRC1 DDRC0
0
0
0
0
0
0
0
$0007
Read:
Data Direction Register D
(DDRD)
Write:
Reset:
DDRD7
0
DDRD6
0
DDRD5
0
DDRD4
0
DDRD3
0
DDRD2
0
DDRD1
0
DDRD0
0
$0008
Read:
Port E Data Register
(PTE)
Write:
Reset:
PTE7
PTE6
PTE5 PTE4 PTE3 PTE2
Unaffected by reset
PTE1
PTE0
$0009
Read:
Data Direction Register E
(DDRE)
Write:
Reset:
DDRE7
0
DDRE6
0
DDRE5
0
DDRE4
0
DDRE3
0
DDRE2
0
DDRE1
0
DDRE0
0
Read:
Keyboard Interrupt Enable
$004F
Register Write:
(KBIER)
Reset:
KBIE7
0
KBIE6
0
KBIE5
0
KBIE4
0
KBIE3
0
KBIE2
0
KBIE1
0
KBIE0
0
$0068
Read:
Port-E Control Register
(PECR)
Write:
Reset:
R USBDS4E USBDS3E USBDS2E USBDS1E
0
0
0
0
Read:
$0069
Port-D Control Register
(PDCR)
Write:
IICDATE
IICSCLE DDCDATE DDCSCLE
HOUTE
VOUTE
DEE
DCLKE
Reset: 0
0
0
0
0
0
0
0
$0078
Read:
PWM Control Register
(PWMCR)
Write:
PWM7E
Reset: 0
PWM6E
0
PWM5E
0
PWM4E
0
PWM3E
0
PWM2E
0
PWM1E
0
PWM0E
0
= Unimplemented
Figure 19-1. Port I/O Register Summary (Continued)
MC68HC908LD64 — Rev. 3.0
Freescale Semiconductor
Input/Output (I/O) Ports
Data Sheet
295