SAF-C161U-LF V1.3 Infineon Technologies, SAF-C161U-LF V1.3 Datasheet - Page 386

• Manufacturer Part Number: SAF-C161U-LF V1.3
• Description: IC MCU ISDN 16BIT TTL TQFP-100
• Manufacturer: Infineon Technologies
• Series: C16xxr

Specifications of SAF-C161U-LF V1.3

• Core Processor: C166
• Core Size: 16-Bit
• Speed: 36MHz
• Connectivity: EBI/EMI, SPI, UART/USART, USB
• Peripherals: POR, PWM, WDT
• Number Of I /o: 56
• Program Memory Type: ROMless
• Ram Size: 3K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LFQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Data Converters: -
• Other names: SAFC161ULFV1.3X; SAFC161ULFV13XP; SP000007502

Data Sheet
SCUSLS (F0C2
The following registers are defined as protected (security) registers:
• SYSCON1
• SYSCON2
• SYSCON3
The following state diagram, Figure 118, shows the state machine for security level
switching and for unlock command execution in low protected mode:
Bit
PASSWORD Current Password
SL
STATE
15
STATE
14
r
13
H
Function
Security Level
0 0:
0 1:
1 0:
1 1:
Actual State
0 0 0: Wait for first command (command 0)
0 0 1: Wait for command 1
0 1 0: Wait for command 2
0 1 1: Wait for new security level and for new password (command 3)
1 0 0: Security registers are unlocked; access to one register is
1 0 1: Reserved
1 1 0: Reserved
1 1 1: Reserved
/ 61
12
H
)
SL
r
11
Unprotected write mode
Low protected mode
Reserved
Write protected mode
possible (only in low protected mode)
10
reserved
ESFRReset Value: 0000
9
8
386
7
6
H
5
r
System Control Unit (CSCU)
PASSWORD
4
3
2
2001-04-19
1
C161U
0