PIC18C858-E/L Microchip Technology, PIC18C858-E/L Datasheet - Page 43

• Manufacturer Part Number: PIC18C858-E/L
• Description: IC MCU OTP 16KX16 CAN 84PLCC
• Manufacturer: Microchip Technology
• Series: PIC® 18Cr

Specifications of PIC18C858-E/L

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: CAN, I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 68
• 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 16x10b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 84-PLCC
• For Use With: AC164310 - MODULE SKT FOR PM3 84PLCCDVA18XL840 - ADAPTER DEVICE ICE 84PLCCAC174012 - MODULE SKT PROMATEII 84PLCC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Other names: PIC18C858E/L

REGISTER 4-1:
FIGURE 4-2:
 2000 Microchip Technology Inc.
Note 1: No RAM associated with this address; always maintained ‘0’s.
bit 7
bit 6
bit 5
bit 4-0
RETURN ADDRESS STACK AND ASSOCIATED REGISTERS
TOSU
0x00
STKPTR - STACK POINTER REGISTER
bit 7
STKFUL: Stack Full Flag bit
1 = Stack became full or overflowed
0 = Stack has not become full or overflowed
STKUNF: Stack Underflow Flag bit
1 = Stack underflow occurred
0 = Stack underflow did not occur
Unimplemented: Read as '0'
SP4:SP0: Stack Pointer Location bits
Note:
Legend
R = Readable bit
- n = Value at POR
STKFUL
R/C-0
Bit 7 and bit 6 can only be cleared in user software or by a POR.
TOSH
0x1A
STKUNF
R/C-0
Advanced Information
Top-of-Stack
TOSL
0x34
’1’ = Bit is set
U-0
W = Writable bit
—
Return Address Stack
0x001A34
0x000D58
0x000000
R/W-0
SP4
U = Unimplemented bit, read as ‘0’
’0’ = Bit is cleared
11111
11110
11101
00011
00010
00001
00000
R/W-0
SP3
(1)
STKPTR<4:0>
R/W-0
00010
SP2
PIC18CXX8
C = Clearable bit
R/W-0
SP1
DS30475A-page 43
R/W-0
SP0
bit 0