Datasheet
1996 Microchip Technology Inc. DS30412C-page 35
PIC17C4X
Bank 2
10h TMR1 Timer1 xxxx xxxx uuuu uuuu
11h TMR2 Timer2 xxxx xxxx uuuu uuuu
12h TMR3L TMR3 register; low byte xxxx xxxx uuuu uuuu
13h TMR3H TMR3 register; high byte xxxx xxxx uuuu uuuu
14h PR1 Timer1 period register xxxx xxxx uuuu uuuu
15h PR2 Timer2 period register xxxx xxxx uuuu uuuu
16h PR3L/CA1L Timer3 period register, low byte/capture1 register; low byte xxxx xxxx uuuu uuuu
17h PR3H/CA1H Timer3 period register, high byte/capture1 register; high byte xxxx xxxx uuuu uuuu
Bank 3
10h PW1DCL DC1 DC0
— — — — — — xx-- ---- uu-- ----
11h PW2DCL DC1 DC0 TM2PW2
— — — — — xx0- ---- uu0- ----
12h PW1DCH DC9 DC8 DC7 DC6 DC5 DC4 DC3 DC2 xxxx xxxx uuuu uuuu
13h PW2DCH DC9 DC8 DC7 DC6 DC5 DC4 DC3 DC2 xxxx xxxx uuuu uuuu
14h CA2L Capture2 low byte xxxx xxxx uuuu uuuu
15h CA2H Capture2 high byte xxxx xxxx uuuu uuuu
16h TCON1 CA2ED1 CA2ED0 CA1ED1 CA1ED0 T16 TMR3CS TMR2CS TMR1CS 0000 0000 0000 0000
17h
TCON2 CA2OVF CA1OVF PWM2ON PWM1ON CA1/PR3
TMR3ON TMR2ON TMR1ON 0000 0000 0000 0000
Unbanked
18h
(5)
PRODL Low Byte of 16-bit Product (8 x 8 Hardware Multiply)
xxxx xxxx uuuu uuuu
19h
(5)
PRODH High Byte of 16-bit Product (8 x 8 Hardware Multiply)
xxxx xxxx uuuu uuuu
TABLE 6-3: SPECIAL FUNCTION REGISTERS (Cont.’d)
Address Name Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Value on
Power-on
Reset
Value on all
other
resets (3)
Legend: x = unknown, u = unchanged, - = unimplemented read as '0', q - value depends on condition. Shaded cells are unimplemented, read as '0'.
Note 1: The upper byte of the program counter is not directly accessible. PCLATH is a holding register for PC<15:8> whose contents are updated
from or transferred to the upper byte of the program counter.
2: The T
O and PD status bits in CPUSTA are not affected by a MCLR reset.
3: Other (non power-up) resets include: external reset through MCLR and the Watchdog Timer Reset.
4: The following values are for both TBLPTRL and TBLPTRH:
All PIC17C4X devices (Power-on Reset 0000 0000) and (All other resets 0000 0000)
except the PIC17C42 (Power-on Reset xxxx xxxx) and (All other resets uuuu uuuu)
5: The PRODL and PRODH registers are not implemented on the PIC17C42.