PIC18C252-E/SP Microchip Technology, PIC18C252-E/SP Datasheet - Page 31

• Manufacturer Part Number: PIC18C252-E/SP
• Description: IC MCU OTP 16KX16 A/D 28DIP
• Manufacturer: Microchip Technology
• Series: PIC® 18Cr

Specifications of PIC18C252-E/SP

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 22
• Program Memory Size: 32KB (16K x 16)
• Program Memory Type: OTP
• Ram Size: 1.5K x 8
• Voltage - Supply (vcc/vdd): 4.2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 28-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: PIC18C252E/SP

TABLE 3-3:
Legend: u = unchanged, x = unknown, - = unimplemented bit, read as ’0’, q = value depends on condition
Note 1: One or more bits in the INTCONx or PIRx registers will be affected (to cause wake-up).
POSTDEC2
POSTINC2
RCON
SSPCON1
SSPCON2
WDTCON
PREINC2
OSCCON
SSPSTAT
2001 Microchip Technology Inc.
PLUSW2
LVDCON
SSPADD
Register
SSPBUF
STATUS
TMR0H
T0CON
TMR1H
T1CON
T2CON
FSR1H
FSR2H
TMR0L
TMR1L
FSR1L
FSR2L
INDF2
TMR2
BSR
PR2
2: When the wake-up is due to an interrupt and the GIEL or GIEH bit is set, the PC is loaded with the interrupt
3: When the wake-up is due to an interrupt and the GIEL or GIEH bit is set, the TOSU, TOSH and TOSL are
4: See Table 3-2 for RESET value for specific condition.
5: Bit 6 of PORTA, LATA, and TRISA are enabled in ECIO and RCIO oscillator modes only. In all other
6: The long write enable is only reset on a POR or MCLR Reset.
7: Bit 6 of PORTA, LATA and TRISA are not available on all devices. When unimplemented, they are read as ’0’.
(4, 6)
vector (0008h or 0018h).
updated with the current value of the PC. The STKPTR is modified to point to the next location in the hard-
ware stack.
oscillator modes, they are disabled and read ’0’.
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
242
Applicable Devices
INITIALIZATION CONDITIONS FOR ALL REGISTERS (CONTINUED)
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
442
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
252
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
452
Brown-out Reset
Power-on Reset,
---- 0000
xxxx xxxx
---- 0000
---- 0000
xxxx xxxx
---x xxxx
xxxx xxxx
xxxx xxxx
1111 1111
---- ---0
--00 0101
---- ---0
00-1 11q0
xxxx xxxx
xxxx xxxx
0-00 0000
xxxx xxxx
1111 1111
-000 0000
xxxx xxxx
0000 0000
0000 0000
0000 0000
0000 0000
N/A
N/A
N/A
N/A
N/A
RESET Instruction
MCLR Resets
Stack Resets
---- 0000
uuuu uuuu
---- 0000
---- 0000
uuuu uuuu
---u uuuu
uuuu uuuu
uuuu uuuu
1111 1111
---- ---0
--00 0101
---- ---0
00-1 qquu
uuuu uuuu
uuuu uuuu
u-uu uuuu
uuuu uuuu
1111 1111
-000 0000
uuuu uuuu
0000 0000
0000 0000
0000 0000
0000 0000
WDT Reset
N/A
N/A
N/A
N/A
N/A
PIC18CXX2
Wake-up via WDT
or Interrupt
---- uuuu
uuuu uuuu
---- uuuu
---- uuuu
uuuu uuuu
---u uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
---- ---u
--uu uuuu
---- ---u
uu-u qquu
uuuu uuuu
uuuu uuuu
u-uu uuuu
uuuu uuuu
1111 1111
-uuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
uuuu uuuu
DS39026C-page 29
N/A
N/A
N/A
N/A
N/A