C505-2RM SIEMENS [Siemens Semiconductor Group], C505-2RM Datasheet - Page 81

• Manufacturer Part Number: C505-2RM
• Description: 8-Bit CMOS Microcontroller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Figure 37
Lock Bit Access Timing
Figure 38
Version Byte Read Timing
Semiconductor Group
PMSEL1,0
Port 0
PROG
PRD
Note:
PALE should be low during a lock bit read / write cycle.
Note:
PMSEL1,0
Port 2
Port 0
PRD
t
PMS
PROG must be high during a programming read cycle.
t
PCS
D0, D1
H, L
t
PWW
t
PMS
t
PCS
81
e. g. FD
L, H
t
t
t
PRD
PRW
PCH
t
PMH
D0-7
H
t
PMS
t
t
PCH
t
PRD
PMH
MCT03645
t
t
PDH
H, L
t
PRW
PDF
D0, D1
C505A / C505CA
t
C505 / C505C
PMH
MCT03644
t
PDH
t
PDF
1997-12-01