![](http://datasheet.mmic.net.cn/340000/C505-2RM_datasheet_16463187/C505-2RM_4.png)
Semiconductor Group
4
1997-12-01
C505 / C505C
C505A / C505CA
Features
(cont’d):
Three 16-bit timers/counters
– Timer 0 / 1 (C501 compatible)
– Timer 2 with 4 channels for 16-bit capture/compare operation
Full duplex serial interface with programmable baudrate generator (USART)
Full CAN Module, version 2.0 B compliant (C505C and C505CA only)
– 256 register/data bytes located in external data memory area
– 1 MBaud CAN baudrate when operating frequency is equal to or above 8 MHz
– internal CAN clock prescaler when input frequency is over 10 MHz
On-chip A/D Converter
– up to 8 analog inputs
– C505/C505C
: 8-bit resolution
– C505A/C505CA: 10-bit resolution
Twelve interrupt sources with four priority levels
On-chip emulation support logic (Enhanced Hooks Technology
Programmable 15-bit watchdog timer
Oscillator watchdog
Fast power on reset
Power Saving Modes
– Slow-down mode
– Idle mode (can be combined with slow-down mode)
– Software power-down mode with wake up capability through P3.2/INT0 or P4.1/RXDC pin
P-MQFP-44 package
Pin configuration is compatible to C501, C504, C511/C513-family
Temperature ranges:
SAB-C505 versions
T
A
= 0 to 70
°
C
SAF-C505 versions
T
A
= – 40 to 85
°
SAH-C505 versions
T
A
= – 40 to 110
SAK-C505 versions
T
A
= – 40 to 125
TM
1)
)
C
°
°
C (max. operating frequency: TBD)
C (max. operating frequency: 12 MHz
with 50% duty cycle)
1)
“Enhanced Hooks Technology” is a trademark and patent of Metalink Corporation licensed to Siemens.
Table 1
Differences in Functionality of the C505 MCUs
Device
Internal Program Memory XRAM Size
A/D Converter
Resolution
CAN
Controller
ROM
OTP
C505-2RM
C505-LM
16 KB
–
–
–
256 B
256 B
8 Bit
8 Bit
–
–
C505C-2RM
C505C-LM
16 KB
–
–
–
256 B
256 B
8 Bit
8 Bit
C505A-4EM
–
32 KB
1 KB
10 Bit
–
C505CA-4EM
–
32 KB
1 KB
10 Bit