Z86D990 Datasheet, PDF (89/102 Pages) Zilog, Inc. – Low-Voltage Micro controllers with ADC

Z86D990/Z86D991 OTP and Z86L99X ROM
Low-Voltage Microcontrollers with ADC
82
T16 MS-Byte Load Register (TC16H)
The T16 MS-Byte Load Register, as described in Table 48, is loaded with the most
significant byte of the T₁₆ counter value.
Table 48. TC16H Register (Group/Bank 0Dh, Register 7)
Bit
7
6
5
Bit/Field T16_Data_HI
R/W
R/W R/W R/W
Reset
0
0
0
R = Read, W = Write, X = Indeterminate
Bit
Position Bit/Field
R/W
76543210 T₁₆ Data HI
R/W
4
R/W
0
Value
Data
3
2
1
0
R/W R/W R/W R/W
0
0
0
0
Description
MS-Byte of the T₁₆ Counter
T16 LS-Byte Load Register (TC16L)
The T16 LS-Byte Load Register, as described in Table 49, is loaded with the least
significant byte of the T₁₆ counter value.
Table 49. TC16L Register (Group/Bank 0Dh, Register 6)
Bit
7
6
5
Bit/Field T16_Data_LO
R/W
R/W R/W R/W
Reset
0
0
0
R = Read, W = Write, X = Indeterminate
Bit
Position Bit/Field
R/W
76543210 T₁₆ Data LO
R/W
4
R/W
0
Value
Data
3
2
1
0
R/W R/W R/W R/W
0
0
0
0
Description
LS-Byte of the T₁₆ Counter
Stop-Mode Recovery Control Registers
The Z86D99/Z86L99 family of products allows 16 individual I/O pins (Ports 2 and
5) to be used as a stop-mode recovery sources. The STOP mode is exited when
one of these SMR sources is toggled.
PS003807-1002
PRELIMINARY